{"id":43938,"date":"2021-09-08T09:41:53","date_gmt":"2021-09-08T06:41:53","guid":{"rendered":"https:\/\/www.turhost.com/blog\/?p=43938"},"modified":"2023-07-18T17:04:06","modified_gmt":"2023-07-18T14:04:06","slug":"siber-guvenlik-nedir","status":"publish","type":"post","link":"https:\/\/www.turhost.com/blog\/siber-guvenlik-nedir\/","title":{"rendered":"Siber G\u00fcvenlik Nedir?"},"content":{"rendered":"\n

Uzaktan \u00e7al\u0131\u015fma ve mobil cihazlar\u0131n y\u00fckseli\u015fe ge\u00e7mesi nedeniyle \u00fczerinde durulmas\u0131 gereken sorular\u0131n ba\u015f\u0131nda Siber g\u00fcvenlik nedir? sorusu gelmektedir.<\/p>\n\n\n\n

\u0130nternet \u00e7a\u011f\u0131, teknolojinin ve dijital geli\u015fmelerin muazzam geli\u015fimine tan\u0131k olurken baz\u0131 olumsuz yans\u0131malar\u0131 beraberinde getirmi\u015ftir. Her ge\u00e7en g\u00fcn hacmi ve karma\u015f\u0131kl\u0131\u011f\u0131 artan siber sald\u0131r\u0131lar da bu yans\u0131malardan biridir.<\/p>\n\n\n\n

Siber Sald\u0131r\u0131 Nedir?<\/h2>\n\n\n\n

Siber sald\u0131r\u0131, siber su\u00e7lular taraf\u0131ndan verileri \u00e7almak veya dijital sistemleri devre d\u0131\u015f\u0131 b\u0131rakmak i\u00e7in kas\u0131tl\u0131 olarak ger\u00e7ekle\u015ftirilen eylemlere denir. Siber g\u00fcvenlik sald\u0131r\u0131lar\u0131 yoluyla bilgisayarlara yasa d\u0131\u015f\u0131<\/span> ve yetkisiz eri\u015fim<\/span> sa\u011flayan siber su\u00e7lular, gittik\u00e7e artan say\u0131da ve \u015fa\u015f\u0131rt\u0131c\u0131 y\u00f6ntemlere sahip siber sald\u0131r\u0131 t\u00fcrlerine ba\u015fvurmaktad\u0131r. Siber g\u00fcvenlik tehdidi<\/span> de denen bu sald\u0131r\u0131lar genellikle casusluk, maddi kazan\u00e7 ve kurumsal sabotaj nedeniyle yap\u0131lmaktad\u0131r.<\/p>\n\n\n\n

Siber G\u00fcvenlik Ne Anlama Gelir?<\/h2>\n\n\n
\n
\"Siber
Bir i\u015fletmenin y\u0131llarca emek harcayarak s\u0131f\u0131rdan in\u015fa etti\u011fi her \u015feyi yok etmek i\u00e7in yaln\u0131zca bir g\u00fcvenlik a\u00e7\u0131\u011f\u0131<\/span> yeterlidir. <\/figcaption><\/figure>\n<\/div>\n\n\n

Siber g\u00fcvenlik; cihazlar\u0131n, programlar\u0131n, a\u011flar\u0131n ve verilerin siber tehditlerden kaynaklanan sald\u0131r\u0131, hasar veya yetkisiz eri\u015fime kar\u015f\u0131 korunmas\u0131n\u0131 ifade eder. <\/p>\n\n\n\n

\u015eirketlerin kritik i\u015f ve personel bilgilerini korumak i\u00e7in politikalar ve prosed\u00fcrler uygulamalar\u0131, siber tehditlere kar\u015f\u0131 bilin\u00e7li ve haz\u0131rl\u0131kl\u0131 olmalar\u0131 son derece \u00f6nemlidir. <\/p>\n\n\n\n

G\u00fcvenlik ara\u015ft\u0131rmac\u0131s\u0131 Bob Diachenko<\/a>  2020’de dark web’de sat\u0131l\u0131k 260 milyondan fazla Facebook hesab\u0131 bulundu\u011funu ke\u015ffetmi\u015ftir. Statista<\/a>, 2020’de yaln\u0131zca Amerika Birle\u015fik Devletleri’nde 1.000 civar\u0131nda veri ihlali oldu\u011funu ve 155,8 milyondan fazla m\u00fc\u015fteriye ait verinin ihlalinin s\u00f6z konusu oldu\u011funu do\u011frulamaktad\u0131r. Bu \u00e7arp\u0131c\u0131 istatistikler, sald\u0131r\u0131lara kar\u015f\u0131 koruma sa\u011flayan sa\u011flam sistemlere sahip olman\u0131n hafife al\u0131nmamas\u0131 gerekti\u011finin alt\u0131n\u0131 \u00e7izmektedir.<\/p>\n\n\n\n

Siber G\u00fcvenlik Neden \u00d6nemlidir?<\/h2>\n\n\n\n

Ma\u011fazalarda, al\u0131\u015fveri\u015f merkezlerinde ve ofislerde \u00fccretsiz wi-fi eri\u015fiminin yayg\u0131nla\u015fmas\u0131, g\u00fc\u00e7l\u00fc parolalar\u0131n \u00e7ok \u00f6tesinde y\u00fcksek d\u00fczeyde BT g\u00fcvenli\u011finin gereklili\u011fini g\u00fcndeme getirmi\u015fti. Pandemiyle yayg\u0131nla\u015fan evden \u00e7al\u0131\u015fma ise i\u015fletmelerin belki de daha \u00f6nce hi\u00e7 d\u00fc\u015f\u00fcnmedikleri uzaktan \u00e7al\u0131\u015fmaya y\u00f6nelik siber g\u00fcvenlik \u00e7\u00f6z\u00fcmlerine y\u00f6nelmelerini zorunlu k\u0131lm\u0131\u015ft\u0131r.<\/p>\n\n\n\n

Bug\u00fcn D\u00fcnya’daki hemen hemen her kurum ve kurulu\u015f bilgisayar sistemlerine dayanmakta ve benzeri g\u00f6r\u00fclmemi\u015f miktarda hassas ki\u015fisel, \u00f6zel bilgileri depolamaktad\u0131r. Bu verilere eri\u015fim; su\u00e7lular, ter\u00f6ristler, <\/span>siyasi akt\u00f6rler<\/span> ve k\u00f6t\u00fc niyetli ki\u015filer i\u00e7in bir t\u00fcr sava\u015f alan\u0131 haline gelmi\u015ftir.<\/p>\n\n\n\n

G\u00fcvenlik tehditleri, bir kurulu\u015fun finansman\u0131na ve itibar\u0131na \u00f6nemli ve onar\u0131lamaz zararlar verebilmektedir. Bir i\u015fletmenin y\u0131llarca emek harcayarak s\u0131f\u0131rdan in\u015fa etti\u011fi her \u015feyi yok etmek i\u00e7in yaln\u0131zca bir g\u00fcvenlik a\u00e7\u0131\u011f\u0131<\/span> yeterlidir. <\/p>\n\n\n\n

Son zamanlarda ABD h\u00fck\u00fcmeti, \u00c7in’i; \u00f6zel \u015firketleri ve \u00fclkenin kritik altyap\u0131s\u0131n\u0131 etkileyebilecek kilit hedeflere y\u00f6nelik yeni ke\u015ffedilen bir dizi siber sald\u0131r\u0131 y\u00fcz\u00fcnden su\u00e7lamaktad\u0131r.<\/p>\n\n\n\n

Kapsaml\u0131 siber g\u00fcvenlik stratejileri ve programlar\u0131 olmayan h\u00fck\u00fcmetler ve kurulu\u015flar<\/span> siber su\u00e7lular i\u00e7in kolay hedef haline gelmekte ve veri ihlallerine kar\u015f\u0131 savunmas\u0131z kalmaktad\u0131r. Siber g\u00fcvenlik tehditleri, bir \u00fclkenin ulusal g\u00fcvenli\u011fini etkileyebilme, istikrars\u0131zl\u0131\u011fa ve kaosa neden olma potansiyeline sahiptir.<\/p>\n\n\n\n

Bu nedenle siber su\u00e7lular\u0131n nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 ve motivasyonlar\u0131n\u0131 bilmek, sa\u011flam bir savunma olu\u015fturmada b\u00fcy\u00fck \u00f6nem arz eder. <\/p>\n\n\n\n

Siber Tehdit T\u00fcrleri ve Y\u00f6ntemleri<\/h2>\n\n\n\n

Kurulu\u015flar\u0131n veya sistemlerinin g\u00fcvenli\u011fini ihlal etmeye y\u00f6nelik bilgi h\u0131rs\u0131zl\u0131\u011f\u0131, finansal kazan\u00e7, casusluk ve sabotaj amac\u0131yla yap\u0131lan kas\u0131tl\u0131 ve k\u00f6t\u00fc niyetli giri\u015fimler; yaz\u0131l\u0131m m\u00fchendisli\u011fi, yapay zeka ve analiz i\u00e7eren yeni y\u00f6ntemlerle geleneksel g\u00fcvenlik \u00e7\u00f6z\u00fcmlerini ge\u00e7ersiz k\u0131lmaya \u00e7al\u0131\u015fmaktad\u0131r.<\/p>\n\n\n\n

K\u00f6t\u00fc Ama\u00e7l\u0131 Yaz\u0131l\u0131m (Malware)<\/h3>\n\n\n
\n
\"Siber
Siber g\u00fcvenlik tehditleri, bir \u00fclkenin ulusal g\u00fcvenli\u011fini etkileyebilme, istikrars\u0131zl\u0131\u011fa ve kaosa neden olma potansiyeline sahiptir. <\/figcaption><\/figure>\n<\/div>\n\n\n

K\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m genellikle kurbanlar\u0131n ba\u015fka bir \u015fey oldu\u011funa inanarak internet veya e-posta yoluyla t\u0131klad\u0131\u011f\u0131 ba\u011flant\u0131lar<\/span> <\/span>ile do\u011frudan cihazlara y\u00fcklenir. K\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m, bir sisteme indirildikten sonra, a\u011f\u0131n kritik bile\u015fenlerine eri\u015fimi engelleyebilir ve t\u00fcm sisteminize zarar verebilir.<\/p>\n\n\n\n

Siber sald\u0131r\u0131lar\u0131n en yayg\u0131n ve en eski t\u00fcr\u00fc olan k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar; bilgisayarlara, sunucuya, istemciye, cihaza ya da bilgisayar a\u011f\u0131na zarar vermek i\u00e7in tasarlanan vir\u00fcsler, fidye yaz\u0131l\u0131mlar\u0131, truva atlar\u0131 ve botnet’ler gibi tehditleri kapsar. Verilere s\u0131zmak, i\u015fleyi\u015fi bozmak, kritik bilgileri \u00e7almak veya cihazlara zarar vermek i\u00e7in s\u0131kl\u0131kla kullan\u0131lmaktad\u0131r.<\/p>\n\n\n\n

E-Doland\u0131r\u0131c\u0131l\u0131k \/ Kimlik Av\u0131 (Phishing)<\/h3>\n\n\n
\n
\"Kimlik
“Kimlik av\u0131” terimi, siber su\u00e7lular\u0131n kurbanlar\u0131n\u0131 bir bal\u0131k\u00e7\u0131n\u0131n yemini yutan bal\u0131\u011fa benzetmelerinden kaynaklan\u0131r. <\/figcaption><\/figure>\n<\/div>\n\n\n

Kimlik av\u0131 sald\u0131r\u0131lar\u0131, fidye yaz\u0131l\u0131m\u0131 ve Da\u011f\u0131t\u0131lm\u0131\u015f Hizmet Reddi (DDoS) gibi di\u011fer geli\u015fmi\u015f g\u00fcvenlik tehditlerine a\u00e7\u0131lan kap\u0131 olarak tan\u0131mlan\u0131r. “Kimlik av\u0131” terimi, “bal\u0131k av\u0131” kelimesinin bir \u00e7e\u015fitlemesidir ve siber su\u00e7lular\u0131n kurbanlar\u0131n\u0131 bir bal\u0131k\u00e7\u0131n\u0131n yemini yutan bal\u0131\u011fa benzetmelerinden kaynaklan\u0131r. <\/p>\n\n\n\n

Kimlik av\u0131 \u00e7o\u011funlukla, me\u015fru bir kaynaktan geliyormu\u015f gibi g\u00f6r\u00fcnen<\/span> ancak k\u00f6t\u00fc niyetli ba\u011flant\u0131lar ya da ekler i\u00e7eren e-postalar <\/span>yoluyla yap\u0131l\u0131r. T\u0131kland\u0131\u011f\u0131nda, k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m\u0131n y\u00fcklenmesine veya kredi kart\u0131 bilgileri, oturum a\u00e7ma kimlik bilgileri gibi hassas bilgilerin siber su\u00e7lular\u0131n eline ge\u00e7mesine yol a\u00e7ar.<\/p>\n\n\n\n

Kimlik av\u0131 e-postas\u0131n\u0131 tan\u0131mlaman\u0131n h\u0131zl\u0131 ve basit bir kural\u0131; e-postan\u0131n g\u00f6nderen k\u0131sm\u0131na, mesajdaki ba\u011flant\u0131lar ve eklere dikkat etmek ve g\u00fcvenli olduklar\u0131ndan emin olmad\u0131k\u00e7a e-postalardaki ba\u011flant\u0131lar\u0131 t\u0131klamamakt\u0131r. E-postan\u0131n g\u00f6nderilme saati, k\u00f6t\u00fc dil bilgisi ve yaz\u0131m kurallar\u0131 ile yaz\u0131lm\u0131\u015f olmas\u0131 da ipucu olabilir. Mesajdaki talebin, g\u00f6nderen k\u0131sm\u0131nda ad\u0131 yazan ki\u015fi \/ kurumun normalde isteyebilece\u011fi bir talep olup olmad\u0131\u011f\u0131 da d\u00fc\u015f\u00fcn\u00fclmelidir.<\/p>\n\n\n\n

Yemleme Kancas\u0131 (Spear Phishing \/ Whale Phishing)<\/h3>\n\n\n
\n
\"Yemleme
Spear-phishing sald\u0131r\u0131lar\u0131, ki\u015fisel bilgilerini internete koyan kurbanlar\u0131 hedef al\u0131r ve sosyal a\u011flardaki profillerden, bir ki\u015finin e-posta adresi, arkada\u015f listesi, co\u011frafi konumu ve ilgi alanlar\u0131 gibi bilgilerine ula\u015farak hedefe inand\u0131r\u0131c\u0131 mesajlar g\u00f6ndermeyi kapsar.<\/figcaption><\/figure>\n<\/div>\n\n\n

Kimlik av\u0131na benzeyen spear phishing, kritik bilgilere daha fazla eri\u015fime sahip olmalar\u0131 ve uzla\u015fmaya istekli olmalar\u0131 nedeniyle CEO gibi y\u00fcksek stat\u00fcl\u00fc<\/span> ki\u015fileri hedefler. Hedefli kimlik av\u0131 olarak adland\u0131rabilece\u011fimiz bu sald\u0131r\u0131 t\u00fcr\u00fc, siber sald\u0131r\u0131lar aras\u0131nda \u00f6nemli yer tutar.<\/p>\n\n\n\n

Ortadaki Adam (Man in the Middle Attack)<\/h3>\n\n\n
\n
\"Ortadaki
Gizli bir dinleme say\u0131lan, ger\u00e7ek zamanl\u0131 konu\u015fmalar\u0131 ve veri aktar\u0131m\u0131n\u0131 a\u00e7\u0131\u011fa \u00e7\u0131karan ortadaki adam sald\u0131r\u0131lar\u0131 bir t\u00fcr oturum ka\u00e7\u0131rmad\u0131r ve Sidejacking, Evil Twin, Sniffing gibi formlara b\u00fcr\u00fcn\u00fcr.
<\/figcaption><\/figure>\n<\/div>\n\n\n

Bu t\u00fcr bir sald\u0131r\u0131, bir siber su\u00e7lunun kendisini iki ki\u015fi aras\u0131ndaki ileti\u015fimin ortas\u0131na yerle\u015ftirmesiyle ger\u00e7ekle\u015ftirilir. Su\u00e7lular bu \u015fekilde \u015fantaj<\/span> i\u00e7in kullanabilecekleri hassas verilerin izini s\u00fcrerler. Ortadaki adam sald\u0131r\u0131s\u0131, k\u00f6t\u00fc niyetli varl\u0131klar\u0131n u\u00e7 noktay\u0131 taklit<\/span> etmesine de zemin haz\u0131rlayarak m\u00fc\u015fterilerin yanl\u0131\u015f bilgilendirilmesi ve doland\u0131r\u0131lmas\u0131 gibi durumlara yol a\u00e7ar. Dilerseniz Ortadaki Adam (MitM) Sald\u0131r\u0131s\u0131 Nedir?<\/a> adl\u0131 yaz\u0131m\u0131zdan MITM sald\u0131r\u0131lar\u0131n\u0131n t\u00fcrlerini \u00f6\u011frenebilirsiniz.<\/p>\n\n\n\n

DDoS (Denial of Service Attack)<\/h3>\n\n\n
\n
\"DDoS
Kullan\u0131lan y\u00f6ntemlerin basitli\u011fine ra\u011fmen DDoS sald\u0131r\u0131lar\u0131; sunucu kesintileri, hizmetlerin duraksamas\u0131 gibi sorunlara yol a\u00e7ar.<\/figcaption><\/figure>\n<\/div>\n\n\n

Da\u011f\u0131t\u0131lm\u0131\u015f Hizmet Reddi ya da Hizmet Reddi Sald\u0131r\u0131s\u0131 olarak adland\u0131r\u0131lan bu sald\u0131r\u0131lar, internete ba\u011fl\u0131 bir sunucunun hizmetlerini ge\u00e7ici veya s\u00fcresiz olarak kesintiye u\u011fratarak kayna\u011f\u0131n kullan\u0131lamamas\u0131na neden olur. Da\u011f\u0131t\u0131lm\u0131\u015f Hizmet Reddi sald\u0131r\u0131s\u0131n\u0131 durdurmak zordur \u00e7\u00fcnk\u00fc sald\u0131r\u0131 tek bir kaynaktan gelmez. Sunucuyu me\u015fru olmayan veri istekleriyle bo\u011fmak i\u00e7in kullan\u0131lan bu teknik, sunucunun ama\u00e7lanan rol\u00fc yerine getirmesine engel olmakla kalmaz, kesintiler nedeniyle itibar, gelir, m\u00fc\u015fteri kayb\u0131 <\/span>ve \u00fcretimde aksakl\u0131klara neden olabilir.<\/p>\n\n\n\n

DDoS sald\u0131r\u0131lar\u0131n\u0131n belirtilerini, DDoS sald\u0131r\u0131s\u0131 alt\u0131nda ne yap\u0131lmas\u0131 gerekti\u011fini ve korunma y\u00f6ntemlerini DDoS Nedir?<\/a> adl\u0131 yaz\u0131m\u0131zda bulabilirsiniz.<\/p>\n\n\n\n

APT (Advanced Persistent Threats)<\/h3>\n\n\n
\n
\"APT
APT sald\u0131r\u0131lar\u0131n\u0131n amac\u0131 sisteme zarar vermekten \u00e7ok a\u011fa eri\u015fip sistemi alarma ge\u00e7irmeden verileri \u00e7\u0131karmak i\u00e7in yeterince i\u00e7eride kalmakt\u0131r.<\/figcaption><\/figure>\n<\/div>\n\n\n

Geli\u015fmi\u015f Kal\u0131c\u0131 Tehditler anlam\u0131na gelen APT’de, bir sisteme veya a\u011fa etkin bir \u015fekilde yetkisiz eri\u015fim elde eden su\u00e7lular\u0131n uzun s\u00fcre boyunca tespit edilememesi s\u00f6z konusudur. APT korsanlar\u0131; kimlik av\u0131, truva atlar\u0131 veya k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m yoluyla sisteme giri\u015f yapmaya \u00e7al\u0131\u015f\u0131rlar. <\/p>\n\n\n\n

APT’nin g\u00fcc\u00fc, tespit edilmeden sisteme girmeye ve verileri oradan \u00e7\u0131karmaya yarayan dijital arka kap\u0131lar<\/span> ve t\u00fcnellerden kaynaklan\u0131r. Bunlar\u0131n yard\u0131m\u0131yla korsanlar, sistemdeki di\u011fer veritabanlar\u0131na ve sunuculara da eri\u015ferek verileri k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlarla toplar ve arka kap\u0131lardan a\u011f d\u0131\u015f\u0131na ta\u015f\u0131rlar. APT sald\u0131rganlar\u0131 ayak izlerini ve kan\u0131tlar\u0131n\u0131 ortadan kald\u0131rarak ilerde tekrar kullanmak i\u00e7in bir arka kap\u0131 olu\u015fturdu\u011funda i\u015fletmeler siber su\u00e7lular\u0131n oyun alan\u0131 haline gelmi\u015f olur. Son y\u0131llar\u0131n bu en ciddi siber tehdidi hakk\u0131nda daha fazla bilgi i\u00e7in APT Nedir?<\/a> adl\u0131 yaz\u0131m\u0131za bakabilirsiniz.<\/p>\n\n\n\n

Fidye Yaz\u0131l\u0131m\u0131 (Ransomware)<\/h3>\n\n\n
\n
\"Fidye
Fidye yaz\u0131l\u0131m\u0131 bir cihaza eri\u015fim sa\u011flad\u0131\u011f\u0131nda, rastgele olu\u015fturulmu\u015f bir anahtar ile kurban\u0131n dosyalar\u0131n\u0131 \u015fifreler.<\/figcaption><\/figure>\n<\/div>\n\n\n

Fidye yaz\u0131l\u0131mlar\u0131, verilerin \u015fifrelendi\u011fi ve istenen bir eylem veya fiyat kar\u015f\u0131l\u0131\u011f\u0131nda kurban\u0131n bilgilerinin rehin <\/span>al\u0131nd\u0131\u011f\u0131 k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m t\u00fcrleridir. Rehin al\u0131nan verilerin kamuya a\u00e7\u0131klanmas\u0131 tehdit unsuru olabilece\u011fi gibi belirli bir s\u00fcre i\u00e7inde \u00f6demenin yap\u0131lmas\u0131 i\u00e7in \u015fantaj da s\u00f6z konusu olabilir.<\/p>\n\n\n\n

Bilgisayar korsanlar\u0131n\u0131n a\u011fda bir varl\u0131k olu\u015fturduktan sonra \u015fifreleyerek gasp etti\u011fi kritik m\u00fc\u015fteri bilgileri ve hassas kurumsal veriler; ma\u011fdur \u015firket fidye \u00f6dese de geri al\u0131namayabilir. Ransomware Nedir?<\/a> adl\u0131 yaz\u0131m\u0131zdan nas\u0131l bula\u015ft\u0131\u011f\u0131na ve korunmak i\u00e7in neler yap\u0131labilece\u011fine dair bilgi edinebilirsiniz.<\/p>\n\n\n\n

Parola Sald\u0131r\u0131lar\u0131 (Password Attacks)<\/h3>\n\n\n\n

Bu t\u00fcr sald\u0131r\u0131larda korsanlar, ma\u011fdurlar\u0131n profillerini ve \u015fifrelerini ele ge\u00e7irip di\u011fer hesaplar\u0131n\u0131 ele ge\u00e7irmeye \u00e7al\u0131\u015f\u0131r. Kurumsal ve ki\u015fisel veri ihlalinin en yayg\u0131n t\u00fcrlerinden biri olan parola sald\u0131r\u0131lar\u0131, oturum a\u00e7ma bilgilerinizin \u00e7al\u0131nmas\u0131na, hesaplar\u0131n\u0131z\u0131n devral\u0131nmas\u0131na ve verilerinizin de\u015fifre olmas\u0131na yol a\u00e7ar.<\/p>\n\n\n\n

Kripto H\u0131rs\u0131zl\u0131\u011f\u0131 (Cryptojacking)<\/h3>\n\n\n
\n
\"Kripto
D\u00fcnya \u00e7ap\u0131nda ciddi bir g\u00fcvenlik ihlaline d\u00f6n\u00fc\u015fm\u00fc\u015f olan Cryptojacking\u2019in bilginiz d\u0131\u015f\u0131nda sistem kaynaklar\u0131n\u0131z\u0131 kullan\u0131yor olmas\u0131 bilgisayar\u0131n\u0131z\u0131 yava\u015flatabilir, kullan\u0131lmaz hale getirebilir ve cihaz\u0131n \u00f6mr\u00fcn\u00fc k\u0131saltabilir.<\/figcaption><\/figure>\n<\/div>\n\n\n

Kripto para birimleri, ger\u00e7ek bir fiziksel formu olmayan, yaln\u0131zca \u00e7evrimi\u00e7i d\u00fcnyada var olan dijital para bi\u00e7imleridir. Kripto para birimleri bir merkez bankas\u0131n\u0131n veya h\u00fck\u00fcmet taraf\u0131ndan de\u011fil yaln\u0131zca anonim ki\u015filer ve bilgisayar algoritmalar\u0131<\/span> taraf\u0131ndan kontrol edilmektedir. En bilineni Bitcoin’dir, ancak yakla\u015f\u0131k 3.000 kadar kripto para birimi t\u00fcr\u00fc bulunmaktad\u0131r.<\/p>\n\n\n\n

Cryptojacking, kullan\u0131c\u0131lar\u0131n mobil veya \u00e7evrimi\u00e7i cihazlar\u0131ndan r\u0131zalar\u0131 veya bilgileri olmadan kripto paralar\u0131 \u00e7almak amac\u0131yla ortaya \u00e7\u0131kan bir \u00e7evrimi\u00e7i tehdittir.<\/p>\n\n\n\n

Di\u011fer k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m t\u00fcrlerinin aksine, kripto h\u0131rs\u0131zl\u0131\u011f\u0131 komut dosyalar\u0131; kurbanlar\u0131n verilerine zarar vermez. Bireysel kullan\u0131c\u0131lar, daha yava\u015f bilgisayar performans\u0131 ya\u015f\u0131yorsa bu, kripto h\u0131rs\u0131zl\u0131\u011f\u0131n\u0131n bir g\u00f6stergesi olabilir. <\/p>\n\n\n\n

Kaspersky’e g\u00f6re bunun i\u00e7in kullan\u0131lan baz\u0131 komut dosyalar\u0131, bir a\u011fdaki di\u011fer cihazlara ve sunuculara bula\u015fmalar\u0131na izin veren solucanlara sahip olabilir. Bu, tehditi tan\u0131mlamay\u0131 ve kald\u0131rmay\u0131 zorla\u015ft\u0131r\u0131r, hatta rakip k\u00f6t\u00fc ama\u00e7l\u0131 kripto yaz\u0131l\u0131mlar\u0131n\u0131n cihaza zaten bula\u015f\u0131p bula\u015fmad\u0131\u011f\u0131n\u0131 kontrol edebilir, bula\u015fm\u0131\u015fsa onu devre d\u0131\u015f\u0131 b\u0131rakabilir. Baz\u0131 kripto sald\u0131r\u0131lar\u0131, indirilen bir uygulamada gizlenmi\u015f bir Truva At\u0131 arac\u0131l\u0131\u011f\u0131yla da ger\u00e7ekle\u015febilir.<\/p>\n\n\n\n

Solucanlar (Worms)<\/h3>\n\n\n\n

“Solucan” terimi, 1970’lerin ba\u015f\u0131nda belgelenen ilk vir\u00fcs olan Creeper Worm’dan evrimle\u015fmi\u015ftir. Solucanlar, kendi kendine \u00e7o\u011falan k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlard\u0131r. \u00c7o\u011falmak ve etkilerini yaymak i\u00e7in bir a\u011f i\u00e7indeki g\u00fcvenlik a\u00e7\u0131klar\u0131n\u0131 hedeflerler. Solucanlar vir\u00fcse benzer ancak program\u0131 de\u011fi\u015ftirmez. Bilgisayar sisteminin yava\u015flamas\u0131na neden olur, uzaktan kontrol edilebilir. Solucanlar\u0131n temel amac\u0131 sistem kaynaklar\u0131n\u0131 yemektir.<\/p>\n\n\n\n

Botnet<\/h3>\n\n\n
\n
\"Botnet\"
Bot bula\u015fm\u0131\u015f vir\u00fcsl\u00fc bilgisayara zombi denmesinin sebebi, bilgisayar\u0131n uzaktan kontrolle y\u00f6netilebilecek hale getirilmesinden kaynaklan\u0131r.
<\/figcaption><\/figure>\n<\/div>\n\n\n

Botnet, k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlara maruz kalan bilgisayarlar\u0131n siber su\u00e7lular taraf\u0131ndan uzaktan kontrol edildi\u011fi, sistemleri savunmas\u0131z hale getiren ve hedef kurulu\u015flar\u0131n karma\u015f\u0131k sistemlerini bozmak i\u00e7in kullan\u0131lan ciddi bir siber tehdit t\u00fcr\u00fcd\u00fcr. Botnet Nedir? Botnet Sald\u0131r\u0131s\u0131 Nas\u0131l Yap\u0131l\u0131r?<\/a> adl\u0131 yaz\u0131m\u0131zdan nas\u0131l engellenebilece\u011fini \u00f6\u011frenebilirsiniz.<\/p>\n\n\n\n

Truva At\u0131 (Trojan Vir\u00fcs\u00fc)<\/h3>\n\n\n\n

Siber sald\u0131r\u0131lar\u0131n en tehlikeli t\u00fcrlerinden biridir. Sald\u0131rganlar\u0131n, kurbanlar\u0131n t\u00fcm gizli bilgilerini ve finansal verilerini ele ge\u00e7irmek amac\u0131yla kullan\u0131l\u0131r. Truva At\u0131, kurbanlara me\u015fru, faydal\u0131 gibi g\u00f6r\u00fcnen k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m<\/span> program\u0131d\u0131r. \u00d6rne\u011fin bir mobil uygulama i\u00e7inde truva at\u0131 bulunan casus bir yaz\u0131l\u0131m olabilir. Baz\u0131lar\u0131 ekran g\u00f6r\u00fcnt\u00fclerini alarak bunlar\u0131 bilgisayar korsan\u0131na geri g\u00f6nderebilir ya da mobil cihaz\u0131n\u0131zdan y\u00fcksek tarifeli telefon numaralar\u0131na k\u0131sa mesajlar g\u00f6nderebilir. Nas\u0131l tespit edildi\u011fini ve kald\u0131r\u0131laca\u011f\u0131n\u0131 \u00f6\u011frenmek isterseniz Trojan Nedir? Trojan Vir\u00fcs\u00fc Nas\u0131l Temizlenir?<\/a> adl\u0131 yaz\u0131m\u0131z\u0131 okuyabilirsiniz.<\/p>\n\n\n\n

Brute Force \/ Kaba Kuvvet Sald\u0131r\u0131lar\u0131<\/h3>\n\n\n
\n
\"Brute
Be\u015f karakterli \u015fifreler birka\u00e7 saniye i\u00e7inde k\u0131r\u0131labilir, internetten bulunabilecek bilgilerinizin (aile \u00fcyelerinin adlar\u0131, ya\u015fad\u0131\u011f\u0131n\u0131z \u015fehir gibi) \u015fifrelerinizde yer almamas\u0131 \u00f6nerilir.<\/figcaption><\/figure>\n<\/div>\n\n\n

Kaba kuvvet sald\u0131r\u0131lar\u0131, sistematik olarak m\u00fcmk\u00fcn oldu\u011funca \u00e7ok say\u0131da tahmini kullan\u0131c\u0131 ad\u0131 ve parola kombinasyonunu deneyerek hassas verilere ve sistemlere eri\u015fim elde etmeye \u00e7al\u0131\u015f\u0131r. Ba\u015far\u0131l\u0131 olursa, arka kap\u0131lar kurmak, gelecekteki sald\u0131r\u0131larda kullanmak \u00fczere sistem hakk\u0131nda bilgi edinmek ve veri \u00e7almak i\u00e7in kullan\u0131l\u0131rlar. Brute Force sald\u0131r\u0131s\u0131 ba\u015flatmak i\u00e7in gereken teknik beceri d\u00fczeyi ve maliyet d\u00fc\u015f\u00fckt\u00fcr. <\/p>\n\n\n\n

Botnetler ile kaba kuvvet sald\u0131r\u0131lar\u0131 ger\u00e7ekle\u015ftirilebilir ya da kaba kuvvet sald\u0131r\u0131lar\u0131 \u00e7ok a\u015famal\u0131 bir sald\u0131r\u0131n\u0131n ilk a\u015famas\u0131 olarak tasarlanabilirler. Farkl\u0131 t\u00fcrleri i\u00e7in Brute Force (Kaba Kuvvet Sald\u0131r\u0131s\u0131) Nedir?<\/a> adl\u0131 yaz\u0131m\u0131za g\u00f6z atabilirsiniz.<\/p>\n\n\n\n

SQL Injection<\/h3>\n\n\n
\n
\"SQL
Ge\u00e7ti\u011fimiz iki y\u0131l i\u00e7inde SQLi sald\u0131r\u0131lar\u0131n\u0131n, yaz\u0131l\u0131m \u2013 uygulama g\u00fcvenli\u011fine y\u00f6nelik t\u00fcm sald\u0131r\u0131lar\u0131n yakla\u015f\u0131k \u00fc\u00e7te ikisini olu\u015fturdu\u011fu bilinmektedir.<\/figcaption><\/figure>\n<\/div>\n\n\n

En yayg\u0131n siber sald\u0131r\u0131 t\u00fcrleri aras\u0131nda yer alan SQL enjeksiyonu ile bir bilgisayar korsan\u0131; bir uygulaman\u0131n veritaban\u0131na yapt\u0131\u011f\u0131 sorgulara m\u00fcdahale edebilir. SQL enjeksiyonu, arka u\u00e7 veritaban\u0131ndan hassas verileri okuyabilir, verileri de\u011fi\u015ftirebilir hatta silebilir, i\u015fletim sistemlerine komutlar verebilir.<\/p>\n\n\n\n

Bu sald\u0131r\u0131n\u0131n etkisi, kar\u015f\u0131la\u015ft\u0131\u011f\u0131 \u015firket i\u00e7in \u00e7ok \u015fiddetli ve y\u0131k\u0131c\u0131d\u0131r. Sald\u0131rgan, uzun vadeli hasara yol a\u00e7an i\u015flemlerle uzun s\u00fcre fark edilmeden \u015firketin sisteminde aktif kalabilir. <\/p>\n\n\n\n

Dilerseniz SQLi de denen bu siber tehdit t\u00fcr\u00fcn\u00fcn nas\u0131l tespit edildi\u011fini ve nas\u0131l engellendi\u011fini anlatt\u0131\u011f\u0131m\u0131z SQL Injection Nedir?<\/a> adl\u0131 yaz\u0131m\u0131z\u0131 okuyabilirsiniz.<\/p>\n\n\n\n

\u0130\u00e7 Tehditler<\/h3>\n\n\n\n

Her g\u00fcn bir\u00e7ok t\u00fcrde siber sald\u0131r\u0131 ger\u00e7ekle\u015fir ancak en \u015fok edici ger\u00e7ek, \u00e7o\u011fu zaman siber su\u00e7lularla birlikte hareket eden \u015firket i\u00e7inden birinin s\u00fcrece dahil olmas\u0131d\u0131r. Bu t\u00fcr sald\u0131r\u0131lar bankalara ve finans kurumlar\u0131na y\u00f6nelik g\u00fcvenlik sald\u0131r\u0131lar\u0131n\u0131n yayg\u0131n t\u00fcrleri aras\u0131nda yer al\u0131r.<\/p>\n\n\n\n

Yapay Zeka (AI) Sald\u0131r\u0131lar\u0131<\/h3>\n\n\n
\n
\"Yapay
Siber su\u00e7lular\u0131n \u015fu anda kulland\u0131\u011f\u0131 t\u00fcm teknikler, yapay zekan\u0131n yard\u0131m\u0131yla geli\u015ftirilebilir oldu\u011fundan \u015firketlerin kar\u015f\u0131la\u015ft\u0131\u011f\u0131 tehditlerin geli\u015fmi\u015flik d\u00fczeyi s\u00fcrekli olarak artmaktad\u0131r.
<\/figcaption><\/figure>\n<\/div>\n\n\n

Yapay zekan\u0131n alt alanlar\u0131ndan biri olan makine \u00f6\u011frenmesi, bilgisayarlar\u0131n baz\u0131 g\u00f6revleri kendi ba\u015f\u0131na ger\u00e7ekle\u015ftirmesini hedefler. AI, zaman zaman veri h\u0131rs\u0131zl\u0131\u011f\u0131 amac\u0131yla dijital sistemleri hacklemek i\u00e7in kullan\u0131lmaktad\u0131r. Ulusal g\u00fcvenli\u011fi etkileyecek ve insanlara duygusal olarak zarar verecek boyutlara ula\u015fabilen sald\u0131r\u0131lard\u0131r.<\/p>\n\n\n\n

Bilgisayar sistemlerinin algoritmalar ve e\u011fitim verileri arac\u0131l\u0131\u011f\u0131yla kal\u0131plar\u0131 \u00f6\u011frenmesi ve yapay zeka uygulamalar\u0131 ilginizi \u00e7ekiyorsa Yapay Zeka Nedir?<\/a> ve Makine \u00d6\u011frenmesi (Machine Learning) Nedir?<\/a> adl\u0131 yaz\u0131lar\u0131m\u0131za da g\u00f6z atabilirsiniz.<\/p>\n\n\n\n

Siber G\u00fcvenlik \u0130pu\u00e7lar\u0131<\/h2>\n\n\n
\n
\"Siber
\u0130\u015fletmelerin; a\u011flar ve cihazlar aras\u0131nda aktar\u0131lan kritik verileri korumaya adanm\u0131\u015f disiplinleri tan\u0131mas\u0131 ve h\u0131zl\u0131ca en g\u00fcncel tedbirleri almaya odaklanmas\u0131 \u00f6nerilir. <\/figcaption><\/figure>\n<\/div>\n\n\n

Siber sald\u0131r\u0131 risklerini \u00f6nlemeye yard\u0131mc\u0131 olmak i\u00e7in risk de\u011ferlendirmeleri yapmak, bilgisayar sistemlerini ve yaz\u0131l\u0131m sistemlerini g\u00fcncellemek, g\u00fcvenli sistem a\u011flar\u0131 olu\u015fturmak ve \u00e7e\u015fitli g\u00fcvenlik \u00e7\u00f6z\u00fcmlerini kurmak \u00f6nemlidir. <\/p>\n\n\n\n

\u015eirketler \u00e7o\u011funlukla veritabanlar\u0131nda depolad\u0131\u011f\u0131 hassas bilgileri s\u0131zd\u0131r\u0131ld\u0131\u011f\u0131nda ciddi kay\u0131plar ya\u015famaktad\u0131r. Bu nedenle, tehditleri h\u0131zl\u0131 bir \u015fekilde belirlemek i\u00e7in kat\u0131 g\u00fcvenlik protokollerine uyulmas\u0131 ve a\u015fa\u011f\u0131daki g\u00fcvenlik prosed\u00fcrleri i\u00e7in ad\u0131lar at\u0131lmas\u0131 \u00f6nerilir:<\/p>\n\n\n\n

    \n
  1. Altyap\u0131 G\u00fcvenli\u011fi: <\/mark>Bir bina veya \u00f6nemli alan i\u00e7inde bulunan belirli giri\u015flerden ge\u00e7mek, bir konum i\u00e7indeki belirli alanlara eri\u015fmek i\u00e7in bir koda veya karta sahip olmak gibi koruyucu bariyerleri ifade eder.
    <\/li>\n\n\n\n
  2. Uygulama G\u00fcvenli\u011fi:<\/mark> Bilgisayar g\u00fcvenli\u011fi olarak da ifade edilebilir. Bir cihazdaki yaz\u0131l\u0131mlar\u0131 ve uygulamalar\u0131 g\u00fcvenlik a\u00e7\u0131klar\u0131ndan korumaya yarayan programlardan veya i\u015flemlerden olu\u015fur. Antivir\u00fcs programlar\u0131 ve g\u00fcvenlik duvarlar\u0131 gibi t\u00fcrleri bulunan bu korumalar, siber su\u00e7lular\u0131n bilgiye eri\u015fmesini zorla\u015ft\u0131rmay\u0131, k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m\u0131 sisteme girer girmez fark etmeyi ve \u00e7ok ge\u00e7 olmadan ondan daha h\u0131zl\u0131 hareket etmeyi hedefler.
    <\/li>\n\n\n\n
  3. A\u011f G\u00fcvenli\u011fi: <\/mark>Yayg\u0131n olarak kurumsal BT ortamlar\u0131na uygulanan a\u011f g\u00fcvenli\u011fi, t\u00fcm dahili a\u011flar\u0131n\u0131z\u0131 davetsiz misafirlerin izinsiz giri\u015flerinden ve sald\u0131r\u0131lardan korumay\u0131 ama\u00e7lar, yetkisiz eri\u015fimi, bilgilerin de\u011fi\u015ftirilmesini, silinmesini veya \u00e7al\u0131nmas\u0131n\u0131 engellemek i\u00e7in; iki fakt\u00f6rl\u00fc kimlik do\u011frulama ve VPN gibi \u00f6nleyici tedbirler i\u00e7erir.
    <\/li>\n\n\n\n
  4. Bulut G\u00fcvenli\u011fi:<\/mark> Bir\u00e7ok i\u015fletmenin buluta ta\u015f\u0131nmas\u0131yla birlikte, giderek daha \u00f6nemli hale gelen bulut g\u00fcvenli\u011fi, buluttaki verileri korumak i\u00e7in tasarlanm\u0131\u015f ara\u00e7lardan ve yaz\u0131l\u0131mlardan olu\u015fur. Bulut sa\u011flay\u0131c\u0131lar\u0131, kurumsal kullan\u0131c\u0131lar\u0131n verilerini daha iyi korumalar\u0131na yard\u0131mc\u0131 olmak i\u00e7in s\u00fcrekli olarak yeni g\u00fcvenlik ara\u00e7lar\u0131 olu\u015fturup uygulasalar da mevcut ara\u00e7lar\u0131n, s\u00fcre\u00e7lerin ve prosed\u00fcrlerin fark\u0131nda olman\u0131z \u00f6nemlidir.
    <\/li>\n\n\n\n
  5. Nesnelerin \u0130nterneti (IoT) Cihazlar\u0131n\u0131n G\u00fcvenli\u011fi: <\/mark>Birbirine ba\u011flanarak bilgi al\u0131\u015f veri\u015fi yapan \u201cak\u0131ll\u0131\u201d nesnelerin a\u011f\u0131n\u0131 ifade eden IoT; TV’ler, kameralar, yaz\u0131c\u0131lar, hoparl\u00f6rler, arabalar, ak\u0131ll\u0131 telefonlar, tabletler gibi g\u00fcnl\u00fck hayat\u0131m\u0131zda s\u0131kl\u0131kla kulland\u0131\u011f\u0131m\u0131z internete ba\u011flanabilen ara\u00e7lar\u0131 i\u00e7erir. Her ge\u00e7en g\u00fcn artan IoT cihaz\u0131 say\u0131s\u0131n\u0131n, 2025’te 75 milyardan fazla olaca\u011f\u0131 tahmin edilmektedir. Nesnelerin \u0130nterneti<\/a>, sundu\u011fu kolayl\u0131klara ra\u011fmen bilgi g\u00fcvenli\u011finde yeni bir tehdit t\u00fcr\u00fcn\u00fcn s\u00f6z konusu olmas\u0131na yol a\u00e7m\u0131\u015ft\u0131r.

    IoT cihazlar\u0131 d\u00fczg\u00fcn bir \u015fekilde koruma alt\u0131na al\u0131nmad\u0131\u011f\u0131nda, siber su\u00e7lular \u015firketlerin sistemlerine girmek ve hassas verileri \u00e7almak i\u00e7in g\u00fcvenlik a\u00e7\u0131klar\u0131ndan yararlanabilirler. Bu nedenle i\u015fletmelerin a\u011f g\u00fcvenli\u011fi i\u00e7in g\u00fcvenlik politikalar\u0131na ve prosed\u00fcrlerine sahip olmas\u0131 gerekir. IoT cihazlar\u0131n\u0131n g\u00fcvenli\u011fini art\u0131rman\u0131n yollar\u0131; g\u00fc\u00e7l\u00fc parolalar, iki fakt\u00f6rl\u00fc kimlik do\u011frulama (2FA), verileri \u015fifreleme, manuel i\u015flevleri kapatma veya bu cihazlar\u0131 belirli bir a\u011fla k\u0131s\u0131tlamaktan ge\u00e7er.
    <\/li>\n<\/ol>\n\n\n\n

    Yukar\u0131dakilere ek olarak ola\u011fan\u00fcst\u00fc durum kurtarma<\/span> planlar\u0131n\u0131 da bu prosed\u00fcrlere dahil etmek; bir siber sald\u0131r\u0131 meydana geldi\u011finde, kurulu\u015fun nas\u0131l ilerleyece\u011fini tan\u0131mlad\u0131\u011f\u0131 i\u00e7in gereklidir. Ola\u011fan\u00fcst\u00fc durum kurtarma; veri kayb\u0131yla ba\u015fa \u00e7\u0131kmak ve kurulu\u015fun misyonunu s\u00fcrd\u00fcrmesini sa\u011flamak i\u00e7in operasyonlar\u0131n geri y\u00fcklenmesini kapsar. <\/p>\n\n\n\n

    Bu prosed\u00fcrlerle birlikte g\u00fcvenli\u011fi art\u0131rmak i\u00e7in dikkat edilmesi gerekenleri \u015fu \u015fekilde detayland\u0131rabiliriz:<\/p>\n\n\n\n

      \n
    • \u00c7al\u0131\u015fanlar\u0131 siber sald\u0131r\u0131 t\u00fcrleri ve \u00f6nlemleri konusunda e\u011fitmek (Personelin en g\u00fcncel g\u00fcvenlik risklerini anlamalar\u0131 ve g\u00fcvenlik tehditlerini ak\u0131lda tutmalar\u0131na yard\u0131mc\u0131 olmak i\u00e7in y\u0131lda birka\u00e7 kez siber g\u00fcvenlik e\u011fitimleri<\/span> verilmelidir)

      <\/li>\n\n\n\n
    • G\u00fc\u00e7l\u00fc parolalar<\/mark> olu\u015fturmak ve cihazlar\u0131 \u015fifrelemek (\u015firketler en az 12 karakterden, b\u00fcy\u00fck ve k\u00fc\u00e7\u00fck harfler, say\u0131lar ve sembollerin kar\u0131\u015f\u0131m\u0131ndan olu\u015fan karma\u015f\u0131k parola politikalar\u0131 uygulamal\u0131d\u0131r. \u00c7al\u0131\u015fanlar\u0131n benzersiz ve di\u011fer platformlarda kullan\u0131lmayan \u015fifreler olu\u015fturmas\u0131 sa\u011flanmal\u0131d\u0131r)

      <\/li>\n\n\n\n
    • G\u00fcvenlik Duvar\u0131, VPN, <\/mark>ve<\/mark> anti-spam yaz\u0131l\u0131m\u0131 <\/mark>kullanmak

      <\/li>\n\n\n\n
    • Verileri s\u0131k s\u0131k yedeklemek<\/span> ard\u0131ndan yedekleri test etmek

      <\/li>\n\n\n\n
    • Kimlik av\u0131 e-postalar\u0131n\u0131n ve sitelerine dikkat etmek

      <\/li>\n\n\n\n
    • Sistemleri g\u00fcncel <\/span>tutmak (En son g\u00fcvenlik yamalar\u0131n\u0131n t\u00fcm\u00fcn\u00fcn y\u00fcklendi\u011finden, \u015firket ekipman\u0131n\u0131n ve yaz\u0131l\u0131m\u0131n\u0131n d\u00fczenli olarak g\u00fcncellendi\u011finden emin olunmal\u0131d\u0131r)

      <\/li>\n\n\n\n
    • \u0130ki fakt\u00f6rl\u00fc kimlik do\u011frulama<\/mark> kullanmak (\u00c7ok fakt\u00f6rl\u00fc kimlik do\u011frulama, kullan\u0131c\u0131lar\u0131n bir uygulamaya veya cihaza eri\u015fmek i\u00e7in ikincil bir belirte\u00e7 veya kod eklemesini gerektirir. Bu, giri\u015f s\u00fcrecini birka\u00e7 saniye uzatabilir, ancak \u015firket sistemlerine gayri me\u015fru eri\u015fim f\u0131rsat\u0131n\u0131 b\u00fcy\u00fck \u00f6l\u00e7\u00fcde azalt\u0131r)<\/li>\n<\/ul>\n\n\n\n

      Dilerseniz siber g\u00fcvenlik, siber tehditler ve bunlardan korunma yollar\u0131 ile ilgili di\u011fer yaz\u0131lar\u0131m\u0131za da g\u00f6z atabilirsiniz:<\/p>\n\n\n\n

      Sosyal M\u00fchendislik Sald\u0131r\u0131s\u0131 Nedir?<\/a><\/td>Whitelist Nedir?<\/a><\/td><\/tr>
      En \u0130yi Antivir\u00fcs Programlar\u0131<\/a><\/td>Veri Kayb\u0131 Nedir?<\/a><\/td><\/tr>
      Klas\u00f6r \u015eifreleme Nedir? Nas\u0131l Yap\u0131l\u0131r?<\/a><\/td>Cloud Backup Nedir?<\/a><\/td><\/tr>
      VMware Nedir?<\/a><\/td>Acronis Nedir?<\/a><\/td><\/tr>
      Firewall Nedir?<\/a><\/td>VPN Nedir? Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/a><\/td><\/tr>
      S\u0131f\u0131r G\u00fcn A\u00e7\u0131\u011f\u0131 Nedir?<\/a><\/td>ARP Spoofing Nedir?<\/a><\/td><\/tr>
      DNS Spoofing Nedir?<\/a><\/td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

      \u00d6zet<\/h2>\n\n\n\n

      Siber g\u00fcvenlik, dijital verileri, sistemleri, a\u011flar\u0131 ve cihazlar\u0131; veri ihlallerinden ve siber su\u00e7lulardan koruma ve kurtarma s\u00fcrecidir. <\/p>\n\n\n\n

      Siber sald\u0131r\u0131lar\u0131n hacmi ve karma\u015f\u0131kl\u0131\u011f\u0131 artarken, kurulu\u015funuzun g\u00fcvende olmas\u0131n\u0131 sa\u011flamak hayati \u00f6nem ta\u015f\u0131maktad\u0131r. G\u00fcvenlik tedbirleri i\u00e7in plan, prosed\u00fcr, politikalar geli\u015ftirmek, \u00e7al\u0131\u015fanlar\u0131 e\u011fitmek i\u00e7in zaman ay\u0131rmak; hassas verileri g\u00fcvende tutmaya ve riskleri en aza indirmeye yard\u0131mc\u0131 olacakt\u0131r. Ayr\u0131ca siber g\u00fcvenlik tehditlerini azaltmak i\u00e7in d\u00fczenli risk de\u011ferlendirmeleri yapmak \u00f6nerilir. Risk y\u00f6netimi, \u015firketlerin b\u00fcy\u00fcmesine katk\u0131da bulunan, rakiplerden ve bilgisayar korsanlar\u0131ndan korunmas\u0131na yard\u0131mc\u0131 olan \u00f6nemli bir fakt\u00f6rd\u00fcr.<\/p>\n\n\n\n

      \u00d6zetle Siber g\u00fcvenlik nedir? sorusuyla her i\u015fletme; a\u011flar ve cihazlar aras\u0131nda aktar\u0131lan kritik verileri korumaya adanm\u0131\u015f disiplinleri tan\u0131mal\u0131 ve h\u0131zl\u0131ca en g\u00fcncel tedbirleri almaya odaklanmal\u0131d\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"A\u011flar ve cihazlar aras\u0131nda aktar\u0131lan kritik verileri tehlikeye atan siber tehdit t\u00fcrleri ve siber g\u00fcvenlik ipu\u00e7lar\u0131!\n","protected":false},"author":1,"featured_media":48053,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_relevanssi_hide_post":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"46607,2617,44596,64440,44807,46317","_relevanssi_noindex_reason":"","footnotes":""},"categories":[656,654,657,655,138],"tags":[],"class_list":{"0":"post-43938","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-alpha-ssl","8":"category-comodo-ssl","9":"category-ev-ssl","10":"category-globalsign-ssl","11":"category-ipuclari"},"yoast_head":"\nSiber G\u00fcvenlik Nedir? 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