{"id":3731,"date":"2022-08-02T13:28:35","date_gmt":"2022-08-02T10:28:35","guid":{"rendered":"http:\/\/turknetwp.local\/?p=3731"},"modified":"2023-01-30T13:14:13","modified_gmt":"2023-01-30T10:14:13","slug":"nac-network-access-control-nedir","status":"publish","type":"post","link":"https:\/\/www.turk.net\/blog\/nac-network-access-control-nedir\/","title":{"rendered":"NAC (Network Access Control) Nedir?\u00a0"},"content":{"rendered":"

G\u00fcn\u00fcm\u00fczde bilgi s\u0131n\u0131rs\u0131z bir \u015fekilde hizmetimize sunulmakta. Bu hizmete sahip olmak i\u00e7in tek yapmam\u0131z gereken \u015fey ise internet kullan\u0131c\u0131s\u0131 olmak. \u0130nternette istedi\u011fimiz her \u015feyi bulmam\u0131z m\u00fcmk\u00fcn. Tek bir t\u0131klama ile t\u00fcm bilgiler elimizin alt\u0131na geliyor. Bununla da kalm\u0131yor, ayn\u0131 anda bir ba\u015fka \u00fclkedeki konu\u015fmac\u0131y\u0131 dinleyebiliyor, binlerce filme ula\u015fabiliyor, y\u00fcz binlerce \u015fark\u0131y\u0131 dinleyebiliyor veya istedi\u011fimiz bir kitab\u0131 indirip okuyabiliyoruz. T\u00fcm bu i\u015flemleri ger\u00e7ekle\u015ftirirken ara\u00e7 olarak interneti kullan\u0131yoruz. Peki bu durumun ne kadar g\u00fcvenli oldu\u011funu hi\u00e7 merak ediyor muyuz?<\/span><\/p>\n

NAC (Network Access Control) Nedir?\u00a0<\/span><\/h2>\n

NAC, asl\u0131nda bu g\u00fcvenli\u011fi sa\u011flayan \u00e7\u00f6z\u00fcmlerden biri olarak \u00f6n plana \u00e7\u0131k\u0131yor. NAC\u2019\u0131n a\u00e7\u0131l\u0131m\u0131, \u201cNetwork Access Control\u201d oluyor. T\u00fcrk\u00e7e anlam\u0131yla \u201cA\u011f Eri\u015fim Kontrol\u00fc\u201d olarak \u00e7evriliyor. Temel amac\u0131 a\u011f eri\u015fiminin kontrol\u00fcn\u00fc sa\u011flamak. A\u011f\u0131n\u0131z\u0131n g\u00fcvenli\u011fi i\u00e7in kullan\u0131lan bu \u00e7\u00f6z\u00fcm u\u00e7tan uca a\u011f\u0131n\u0131z\u0131n eri\u015fimini kontrol eder, uygulamalara izin verir ya da eri\u015fimini engeller. Siber g\u00fcvenlik teknolojisinde yayg\u0131n olarak kullan\u0131lan bir \u00e7\u00f6z\u00fcmd\u00fcr. Bu y\u00f6ntem ile a\u011f\u0131n\u0131za istenmeyen, izin verilmeyen hi\u00e7bir kullan\u0131c\u0131 dahil olamaz. NAC a\u011f g\u00fcvenli\u011fi 4 a\u015fama ile ger\u00e7ekle\u015fir;<\/span><\/p>\n

    \n
  1. Kimlik Do\u011frulama<\/span><\/li>\n
  2. Yetkilendirme<\/span><\/li>\n
  3. G\u00fcvenlik Taramas\u0131<\/span><\/li>\n
  4. \u0130yile\u015ftirme<\/span><\/li>\n<\/ol>\n

    Bu d\u00f6rt a\u015famadan sonra a\u011f\u0131n\u0131za giri\u015f sa\u011flanacakt\u0131r. Bu a\u015famalar\u0131n hepsi ayn\u0131 anda \u00e7al\u0131\u015f\u0131r ve herhangi birinde, bir hata \u00e7\u0131karsa, kullan\u0131c\u0131 eri\u015fimi engellenir ve a\u011f\u0131n\u0131z korunur.<\/span><\/p>\n

    NAC (Network Access Control) Ne \u0130\u015fe Yarar?\u00a0<\/span><\/h2>\n

    NAC a\u011f\u0131n\u0131z\u0131 korumak i\u00e7in geli\u015ftirilmi\u015ftir. Ayr\u0131nt\u0131l\u0131 bir \u015fekilde ne i\u015fe yarad\u0131\u011f\u0131n\u0131 maddeler halinde ele alal\u0131m:<\/span><\/p>\n

      \n
    • Cihaz uyumlulu\u011funu ve davran\u0131\u015flar\u0131n\u0131 d\u00fczenli bir \u015fekilde kontrol alt\u0131nda tutarak herhangi bir hata olmas\u0131 halinde hemen m\u00fcdahale eder.<\/span><\/li>\n
    • Kullan\u0131c\u0131lara maksimum sistem g\u00fcvenli\u011fini garanti eder. G\u00fcn\u00fcm\u00fczde g\u00fcvenlik i\u00e7in kullan\u0131lan en yayg\u0131n \u00e7\u00f6z\u00fcmlerden biridir.<\/span><\/li>\n
    • Cihaz\u0131n\u0131za ba\u011flanan kullan\u0131c\u0131lar hakk\u0131nda sizlere bilgi verir. B\u00f6ylelikle sizler de takip edebilirsiniz veya herhangi bir sorun olma halinde en son hangi cihaz\u0131n a\u011f\u0131n\u0131za girdi\u011fini kolayl\u0131kla bulabilirsiniz.<\/span><\/li>\n
    • Vir\u00fcsten koruma yaz\u0131l\u0131mlar\u0131 sayesinde siz fark etmeden zararl\u0131 kullan\u0131c\u0131, i\u00e7erik ve yaz\u0131l\u0131mlar\u0131 engeller.<\/span><\/li>\n
    • G\u00fcvenlik duvar\u0131 ve casus yaz\u0131l\u0131m alg\u0131lama programlar\u0131n\u0131 da i\u00e7erisinde bulunduran NAC, yaln\u0131zca basit tehditler i\u00e7in de\u011fil, geli\u015fmi\u015f tehditler i\u00e7in de \u00f6nlemler al\u0131r.<\/span><\/li>\n
    • Kullan\u0131c\u0131 ve sistem yetkilendirmesi yaparak eri\u015fimi her zaman denetler.<\/span><\/li>\n
    • A\u011f g\u00fcvenli\u011fini kontrol eder, denetler ve sizi bilgilendirir. T\u00fcm bunlar\u0131 ayn\u0131 anda ve koordineli bir \u015fekilde ger\u00e7ekle\u015ftirir.<\/span><\/li>\n
    • Zero-Day ad\u0131 verilen sald\u0131r\u0131lara kar\u015f\u0131 a\u011f\u0131n\u0131z\u0131 korur ve verece\u011fi etkileri azaltmaya \u00e7al\u0131\u015f\u0131r.<\/span><\/li>\n
    • A\u011f\u0131n\u0131z i\u00e7in kulland\u0131\u011f\u0131n\u0131z politikalar\u0131n sorunsuz ve eksiksiz bir \u015fekilde uygulanmas\u0131n\u0131 sa\u011flar.<\/span><\/li>\n
    • NAC a\u011f denetimini, a\u011f eri\u015fiminden \u00f6nce veya a\u011f eri\u015fiminden sonra yapabilir. Bu durum da kullan\u0131c\u0131lar i\u00e7in \u00e7ok b\u00fcy\u00fck bir avantajd\u0131r.<\/span><\/li>\n<\/ul>\n

      NAC (Network Access Control) Neden \u00d6nemlidir?<\/span><\/h2>\n

      G\u00fcn\u00fcm\u00fczde teknolojinin geli\u015fmesi ile birlikte pek \u00e7ok ki\u015fi kolayl\u0131kla d\u00fcnyan\u0131n herhangi bir yerinde istedi\u011fi i\u015flemi kolayl\u0131kla ger\u00e7ekle\u015ftirilebilmektedir. Bu i\u015flemler s\u0131ras\u0131nda pek \u00e7ok bilgi payla\u015f\u0131m\u0131n da yapmaktad\u0131r. Bunlar kimlik veya kredi kart\u0131 bilgilerinden aile foto\u011fraflar\u0131na kadar olabilir. Cihaz\u0131n\u0131zda bu bilgileri tutsan\u0131z dahi zararl\u0131 yaz\u0131l\u0131mlar sayesinde art niyetli ki\u015filer bu bilgilere eri\u015febilir.\u00a0<\/span><\/p>\n

      Kimse verisini bir ba\u015fkas\u0131 ile payla\u015fmak istemez. Bu sebeple NAC kontrol\u00fc \u00f6nemlidir. Verilerinizi korur ve bir ba\u015fkas\u0131n\u0131n izniniz olmaks\u0131z\u0131n a\u011f\u0131n\u0131za girmesini engeller. Bu engellemeleri yaparken internet performans\u0131n\u0131z\u0131 veya cihaz\u0131n\u0131z\u0131n verimlili\u011fini etkilemez aksine sizi korur.\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

      G\u00fcn\u00fcm\u00fczde bilgi s\u0131n\u0131rs\u0131z bir \u015fekilde hizmetimize sunulmakta. Bu hizmete sahip olmak i\u00e7in tek yapmam\u0131z gereken \u015fey ise internet kullan\u0131c\u0131s\u0131 olmak. \u0130nternette istedi\u011fimiz her \u015feyi bulmam\u0131z m\u00fcmk\u00fcn. Tek bir t\u0131klama ile t\u00fcm bilgiler elimizin alt\u0131na geliyor. Bununla da kalm\u0131yor, ayn\u0131 anda bir ba\u015fka \u00fclkedeki konu\u015fmac\u0131y\u0131 dinleyebiliyor, binlerce filme ula\u015fabiliyor, y\u00fcz binlerce \u015fark\u0131y\u0131 dinleyebiliyor veya istedi\u011fimiz bir […]<\/p>\n","protected":false},"author":7,"featured_media":4805,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-3731","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-internet-terimleri"],"acf":[],"yoast_head":"\nNAC (Network Access Control) Nedir?\u00a0 - Turknet Blog<\/title>\n<meta name=\"description\" content=\"NAC (Network Access Control) nedir? 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