{"id":8599,"date":"2026-04-07T08:14:41","date_gmt":"2026-04-07T08:14:41","guid":{"rendered":"https:\/\/busondakika.com.tr\/?p=8599"},"modified":"2026-04-07T08:14:42","modified_gmt":"2026-04-07T08:14:42","slug":"bulut-is-yuku-guvenliginde-guvenlik-aciklarina-dikkat-edin","status":"publish","type":"post","link":"https:\/\/busondakika.com.tr\/?p=8599","title":{"rendered":"Bulut i\u015f y\u00fck\u00fc g\u00fcvenli\u011finde g\u00fcvenlik a\u00e7\u0131klar\u0131na dikkat edin"},"content":{"rendered":"

Siber g\u00fcvenli\u011fin en b\u00fcy\u00fck d\u00fc\u015fman\u0131 karma\u015f\u0131kl\u0131k. Bulut varl\u0131klar\u0131n\u0131n, \u00f6zellikle sanal makinelerin, kolayca devreye al\u0131nabilmesi, bunlar\u0131n say\u0131lar\u0131 artmaya ba\u015flad\u0131\u011f\u0131nda g\u00fcvenli\u011fini sa\u011flamak ve izlemek zorunda kalman\u0131n ger\u00e7ekli\u011fiyle keskin bir tezat olu\u015fturuyor. Makine ve yaz\u0131l\u0131mlar\u0131n yayg\u0131nla\u015fmas\u0131, genellikle heterojen ve tutars\u0131z kurallarla dolu ortamlar yarat\u0131yor. \u00a0Bu da sonu\u00e7ta bunlar\u0131n savunulmas\u0131n\u0131 zorla\u015ft\u0131r\u0131yor. Siber g\u00fcvenlik alan\u0131nda d\u00fcnya lideri olan ESET, bulut i\u015f y\u00fck\u00fc g\u00fcvenli\u011finde g\u00fcvenlik a\u00e7\u0131klar\u0131na dikkat \u00e7ekti.\u00a0<\/strong><\/p>\n

Bulut servis sa\u011flay\u0131c\u0131lar\u0131 yeni sanal makinelerin olu\u015fturulmas\u0131n\u0131 kolayla\u015ft\u0131r\u0131yor ancak devreden \u00e7\u0131kar\u0131lmas\u0131 \u00e7o\u011fu zaman ayn\u0131 h\u0131zla yap\u0131lm\u0131yor. \u00c7oklu bulut ortamlar\u0131nda bu durum, g\u00fcvenlik operasyonlar\u0131n\u0131n d\u0131\u015f\u0131nda kalan i\u015f y\u00fcklerinin artmas\u0131na neden oluyor. Genel bulut hizmeti sa\u011flay\u0131c\u0131lar\u0131 \u00a0(CSP) temel koruma sa\u011flasa da i\u015fletim sistemi g\u00fcncellemeleri, izleme ve eri\u015fim politikalar\u0131n\u0131n g\u00fcncellenmesi m\u00fc\u015fteriye ait sorumluluklar aras\u0131nda yer al\u0131yor. Bu nedenle sanal makinelerin fark edilmeden \u201ckontrolden \u00e7\u0131kma\u201d riski art\u0131yor.<\/p>\n

Bulut g\u00f6r\u00fcn\u00fcrl\u00fc\u011f\u00fc ise bir\u00e7ok kurulu\u015f i\u00e7in kal\u0131c\u0131 bir sorun. Kurulu\u015flar\u0131n yaln\u0131zca y\u00fczde 23\u2019\u00fc t\u00fcm i\u015f y\u00fcklerine kapsaml\u0131 \u015fekilde h\u00e2kim olduklar\u0131n\u0131 belirtiyor. VM filolar\u0131n\u0131n kontrols\u00fcz b\u00fcy\u00fcmesi bu sorunu daha da derinle\u015ftiriyor. Yanl\u0131\u015f yap\u0131land\u0131r\u0131lm\u0131\u015f depolama alanlar\u0131 ve a\u00e7\u0131k API\u2019ler ihlallerde \u00f6ne \u00e7\u0131karken sanal makine k\u00f6t\u00fcye kullan\u0131m\u0131 genellikle fark edilmesi zor bir \u015fekilde ger\u00e7ekle\u015fiyor. Bir makine \u00f6\u011frenimi m\u00fchendisi i\u00e7in haz\u0131rlanan ve geni\u015f okuma, yazma eri\u015fimi verilen bir VM, proje sona erdikten sonra \u00e7o\u011fu kez oldu\u011fu gibi kendi h\u00e2line b\u0131rak\u0131labiliyor. Bu ise sald\u0131rganlar i\u00e7in \u00f6nemli bir f\u0131rsat alan\u0131 olu\u015fturuyor.<\/p>\n

Google’\u0131n H2 2025 Bulut Tehdit Ufuklar\u0131 Raporu’na g\u00f6re, kimlik bilgilerinin ele ge\u00e7irilmesi ve yanl\u0131\u015f yap\u0131land\u0131rma, 2025’in ilk yar\u0131s\u0131nda tehdit akt\u00f6rlerinin bulut ortamlar\u0131na giri\u015f noktalar\u0131nda ba\u015fl\u0131ca etkenler olmaya devam etti. Yay\u0131mlanan raporun H1 2026 say\u0131s\u0131na g\u00f6re, ge\u00e7en y\u0131l\u0131n ikinci yar\u0131s\u0131nda ilgin\u00e7 bir geli\u015fme ya\u015fand\u0131; her iki ilk eri\u015fim vekt\u00f6r\u00fc de yaz\u0131l\u0131m tabanl\u0131 istismarlar taraf\u0131ndan geride b\u0131rak\u0131ld\u0131. IBM’in 2025 Veri \u0130hlali Maliyet Raporu’na g\u00f6re, birden fazla ortam\u0131 i\u00e7eren bir veri ihlalinin ortalama maliyeti 5,05 milyon ABD dolar\u0131 iken “sadece” genel bulutu i\u00e7eren bir veri ihlalinin ortalama maliyeti 4,68 milyon ABD dolar\u0131 ile \u00e7ok geride kalm\u0131yor.\u00a0<\/p>\n

\u00c7ok az say\u0131da kurulu\u015f, bulutu \u00e7e\u015fitli \u015fekillerde \u00e7ekici k\u0131lan esnekli\u011fi ve maliyet verimlili\u011finden vazge\u00e7meyi g\u00f6ze alabilir. Daha ger\u00e7ek\u00e7i bir hedef, karma\u015f\u0131kl\u0131\u011f\u0131 anla\u015f\u0131l\u0131r ve y\u00f6netilebilir h\u00e2le getirmektir ve bu da g\u00f6r\u00fcn\u00fcrl\u00fckle ba\u015flar. Endi\u015fe verici bir \u015fekilde, Cloud Security Alliance taraf\u0131ndan yap\u0131lan bir ankette, kurulu\u015flar\u0131n yaln\u0131zca %23’\u00fcn\u00fcn bulut ortamlar\u0131na tam g\u00f6r\u00fcn\u00fcrl\u00fck sa\u011flad\u0131\u011f\u0131 ortaya \u00e7\u0131km\u0131\u015ft\u0131r.\u00a0<\/p>\n

\u00a0Bulut i\u015f y\u00fck\u00fc g\u00fcvenli\u011finde g\u00f6r\u00fcn\u00fcrl\u00fck ve kontrol<\/strong><\/p>\n

G\u00f6remedi\u011finiz \u015feyi g\u00fcvence alt\u0131na alamazs\u0131n\u0131z. Ancak “ham” g\u00f6r\u00fcn\u00fcrl\u00fck tek ba\u015f\u0131na yeterli de\u011fildir. Tam bir resim olu\u015fturmaya yard\u0131mc\u0131 olan ba\u011flam ve korelasyon olmadan elde edece\u011finiz \u015fey, biraz daha iyi ayd\u0131nlat\u0131lm\u0131\u015f bir kaostan \u00f6teye ge\u00e7mez. Ortamlar genelinde birle\u015fik bir politika uygulaman\u0131n ve ard\u0131ndan kurallar\u0131, birden \u00e7ok buluttaki sanal makineler ve kimlik katmanlar\u0131 d\u00e2hil olmak \u00fczere \u00e7e\u015fitli sistemlerde uygulaman\u0131n bir yoluna ihtiyac\u0131n\u0131z vard\u0131r. Muhtemelen bu t\u00fcr bir birle\u015fme, ortam\u0131 daha k\u00fc\u00e7\u00fck h\u00e2le getirmez ancak sald\u0131r\u0131 y\u00fczeyini azalt\u0131rken ortam\u0131 y\u00f6netilebilir h\u00e2le getirir.<\/p>\n

Her kimlik do\u011frulama denemesi, i\u015flem ba\u015flatma, a\u011f ba\u011flant\u0131s\u0131 ve dosya de\u011fi\u015fikli\u011fi bir yerde iz b\u0131rakt\u0131\u011f\u0131nda, telemetri verilerinin hacmi \u00e7ok b\u00fcy\u00fck olabilir. Bu nedenle, dikkatli bir \u015fekilde uyguland\u0131\u011f\u0131nda otomasyon da ayn\u0131 derecede \u00f6nemlidir. Otomasyon, sald\u0131rganlar\u0131n s\u0131\u011f\u0131nmay\u0131 sevdi\u011fi bo\u015fluklar\u0131 kapatmaya yard\u0131mc\u0131 olur ve a\u011flar b\u00fcy\u00fcd\u00fck\u00e7e do\u011fal olarak ortaya \u00e7\u0131kan “entropiye” kar\u015f\u0131 koyar. Ayr\u0131ca rutin g\u00f6revler ve farkl\u0131 kaynaklardan gelen telemetri verilerinin korelasyonu, yorulmayan ve dikkati da\u011f\u0131lmayan bir sistem taraf\u0131ndan y\u00f6netilir. B\u00f6ylelikle, insan operat\u00f6rler, insan yarg\u0131s\u0131 gerektiren olay m\u00fcdahalesi k\u0131s\u0131mlar\u0131na odaklanabilir.\u00a0<\/p>\n

Elbette as\u0131l sorun bulutun kendisi de\u011fildir. \u00d6l\u00e7eklenebilir ve de\u011fi\u015fime a\u00e7\u0131k olarak tasarlanm\u0131\u015f sistemlerde, \u00f6zellikle de i\u015f hacmi b\u00fcy\u00fcd\u00fck\u00e7e bir dereceye kadar karma\u015f\u0131kl\u0131k ka\u00e7\u0131n\u0131lmazd\u0131r. Bulut i\u015f y\u00fcklerinin g\u00fcvenli\u011fini sa\u011flamak, dijital altyap\u0131n\u0131z b\u00fcy\u00fcd\u00fck\u00e7e g\u00f6r\u00fcn\u00fcrl\u00fck ve kontrol\u00fcn\u00fcz\u00fcn de buna paralel olarak artmas\u0131n\u0131 sa\u011flamaya ba\u011fl\u0131d\u0131r. B\u00f6ylelikle, olaylardan ger\u00e7ekten ac\u0131 dersler \u00e7\u0131karmak zorunda kalmazs\u0131n\u0131z.<\/p>\n

\u00a0<\/p>\n

Kaynak: (BYZHA) Beyaz Haber Ajans\u0131<\/p>\n","protected":false},"excerpt":{"rendered":"

Siber g\u00fcvenli\u011fin en b\u00fcy\u00fck d\u00fc\u015fman\u0131 karma\u015f\u0131kl\u0131k.<\/p>\n","protected":false},"author":1,"featured_media":8600,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[],"class_list":["post-8599","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknoloji"],"_links":{"self":[{"href":"https:\/\/busondakika.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/8599","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/busondakika.com.tr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/busondakika.com.tr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/busondakika.com.tr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/busondakika.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8599"}],"version-history":[{"count":1,"href":"https:\/\/busondakika.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/8599\/revisions"}],"predecessor-version":[{"id":8601,"href":"https:\/\/busondakika.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/8599\/revisions\/8601"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/busondakika.com.tr\/index.php?rest_route=\/wp\/v2\/media\/8600"}],"wp:attachment":[{"href":"https:\/\/busondakika.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8599"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/busondakika.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8599"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/busondakika.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8599"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}