{"id":37268,"date":"2025-12-29T18:01:41","date_gmt":"2025-12-29T15:01:41","guid":{"rendered":"https:\/\/fatihsoysal.com\/blog\/2025-yilinda-mobil-telefon-guvenligini-tehdit-eden-en-kritik-10-risk\/"},"modified":"2025-12-29T18:01:41","modified_gmt":"2025-12-29T15:01:41","slug":"2025-yilinda-mobil-telefon-guvenligini-tehdit-eden-en-kritik-10-risk","status":"publish","type":"post","link":"https:\/\/fatihsoysal.com\/blog\/2025-yilinda-mobil-telefon-guvenligini-tehdit-eden-en-kritik-10-risk\/","title":{"rendered":"2025 Y\u0131l\u0131nda Mobil Telefon G\u00fcvenli\u011fini Tehdit Eden En Kritik 10 Risk"},"content":{"rendered":"<h2>2025 Y\u0131l\u0131nda Mobil Telefon G\u00fcvenli\u011fini Tehdit Eden En Kritik 10 Risk<\/h2>\n<p>Mobil telefonlar, g\u00fcn\u00fcm\u00fcz d\u00fcnyas\u0131nda sadece bir ileti\u015fim arac\u0131 olmaktan \u00e7ok daha fazlas\u0131n\u0131 ifade ediyor; ki\u015fisel asistan\u0131m\u0131z, bankam\u0131z, ofisimiz ve e\u011flence merkezimiz haline geldiler. Bu denli merkezi bir rol \u00fcstlenmeleri, siber su\u00e7lular\u0131n da birincil hedefi olmalar\u0131na yol a\u00e7\u0131yor. 2025 y\u0131l\u0131na do\u011fru ilerlerken, mobil g\u00fcvenlik tehditleri de teknolojik geli\u015fmelerle birlikte evrim ge\u00e7iriyor, daha sofistike ve tespit edilmesi zor hale geliyor. Bu makalede, \u00f6n\u00fcm\u00fczdeki y\u0131l mobil cihazlar\u0131m\u0131z\u0131 bekleyen en kritik 10 g\u00fcvenlik tehdidini ve bunlara kar\u015f\u0131 al\u0131nabilecek \u00f6nlemleri detayl\u0131 bir \u015fekilde inceleyece\u011fiz.<\/p>\n<h2>1. Geli\u015fmi\u015f Kimlik Av\u0131 ve Sosyal M\u00fchendislik Taktikleri<\/h2>\n<p>Sosyal m\u00fchendislik, insan fakt\u00f6r\u00fcn\u00fc hedef alarak g\u00fcvenlik zincirinin en zay\u0131f halkas\u0131n\u0131 kullanmaya devam ediyor. 2025&#8217;te bu taktikler, yapay zeka ve otomasyon sayesinde \u00e7ok daha ikna edici ve ki\u015fiselle\u015ftirilmi\u015f olacak.<\/p>\n<h3>1.1. Yapay Zeka Destekli Geli\u015fmi\u015f Kimlik Av\u0131 (Phishing, Smishing, Vishing)<\/h3>\n<p>Yapay zeka (YZ) destekli algoritmalar, kimlik av\u0131 (phishing) e-postalar\u0131n\u0131, SMS tabanl\u0131 kimlik av\u0131n\u0131 (smishing) ve sesli kimlik av\u0131n\u0131 (vishing) daha inand\u0131r\u0131c\u0131 hale getiriyor. YZ, kurbanlar\u0131n ki\u015fisel verilerini analiz ederek, onlara \u00f6zel olarak tasarlanm\u0131\u015f, dilbilgisi hatas\u0131z ve ba\u011flama uygun mesajlar \u00fcretebiliyor. Bu, kullan\u0131c\u0131lar\u0131n sahte web sitelerine y\u00f6nlendirilmesini, zararl\u0131 uygulamalar\u0131 indirmesini veya hassas bilgilerini payla\u015fmas\u0131n\u0131 kolayla\u015ft\u0131r\u0131yor. \u00d6zellikle \u015firket \u00e7al\u0131\u015fanlar\u0131na y\u00f6nelik hedefli kimlik av\u0131 (spear phishing) sald\u0131r\u0131lar\u0131, YZ sayesinde \u00e7ok daha etkili hale gelecek ve kurumsal a\u011flara s\u0131zma riskini art\u0131racak.<\/p>\n<h3>1.2. Derin Sahte (Deepfake) Teknolojileriyle Sosyal M\u00fchendislik<\/h3>\n<p>Derin sahte (deepfake) teknolojileri, 2025 y\u0131l\u0131nda mobil g\u00fcvenlik i\u00e7in ciddi bir tehdit olu\u015fturacak. Ses ve g\u00f6r\u00fcnt\u00fc manip\u00fclasyonu sayesinde, siber su\u00e7lular, tan\u0131d\u0131k bir ki\u015finin sesini veya g\u00f6r\u00fcnt\u00fcs\u00fcn\u00fc taklit ederek mobil cihazlar \u00fczerinden kullan\u0131c\u0131lar\u0131 aldatabilir. \u00d6rne\u011fin, bir y\u00f6neticinin sesini taklit ederek acil bir para transferi talep edebilir veya bir arkada\u015f\u0131n\u0131z\u0131n g\u00f6r\u00fcnt\u00fcs\u00fcn\u00fc kullanarak zararl\u0131 bir ba\u011flant\u0131ya t\u0131klaman\u0131z\u0131 sa\u011flayabilirler. Bu t\u00fcr sald\u0131r\u0131lar, \u00f6zellikle g\u00f6r\u00fcnt\u00fcl\u00fc g\u00f6r\u00fc\u015fmelerin ve sesli mesajla\u015fman\u0131n yayg\u0131nla\u015fmas\u0131yla birlikte, bireysel ve kurumsal d\u00fczeyde b\u00fcy\u00fck riskler ta\u015f\u0131yor.<\/p>\n<h2>2. Uygulama Tabanl\u0131 Tehditler ve S\u0131f\u0131r G\u00fcn A\u00e7\u0131klar\u0131<\/h2>\n<p>Mobil uygulamalar, g\u00fcnl\u00fck ya\u015fant\u0131m\u0131z\u0131n vazge\u00e7ilmez bir par\u00e7as\u0131. Ancak bu uygulamalar, k\u00f6t\u00fc niyetli yaz\u0131l\u0131mlar\u0131n ve g\u00fcvenlik a\u00e7\u0131klar\u0131n\u0131n ana giri\u015f kap\u0131lar\u0131ndan biri olmaya devam ediyor.<\/p>\n<h3>2.1. Evrimle\u015fen Mobil K\u00f6t\u00fc Ama\u00e7l\u0131 Yaz\u0131l\u0131mlar (Malware)<\/h3>\n<p>2025&#8217;te mobil k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar (malware) daha geli\u015fmi\u015f gizlenme teknikleri ve \u00e7oklu i\u015flevsellik ile kar\u015f\u0131m\u0131za \u00e7\u0131kacak. Fidye yaz\u0131l\u0131mlar\u0131 (ransomware), casus yaz\u0131l\u0131mlar (spyware), bankac\u0131l\u0131k Truva atlar\u0131 ve reklam yaz\u0131l\u0131mlar\u0131 (adware) gibi t\u00fcrler, cihazlara s\u0131zmak i\u00e7in daha sofistike y\u00f6ntemler kullanacak. Bu yaz\u0131l\u0131mlar, sadece veri \u00e7almakla kalmay\u0131p, cihaz\u0131n kontrol\u00fcn\u00fc ele ge\u00e7irebilir, mikrofonu ve kameray\u0131 uzaktan etkinle\u015ftirebilir veya finansal i\u015flemlerinizi manip\u00fcle edebilir. \u00d6zellikle hedefli mobil fidye yaz\u0131l\u0131mlar\u0131, bireyler ve k\u00fc\u00e7\u00fck i\u015fletmeler i\u00e7in y\u0131k\u0131c\u0131 sonu\u00e7lar do\u011furabilir.<\/p>\n<h3>2.2. Uygulama Ma\u011fazas\u0131 G\u00fcvenlik A\u00e7\u0131klar\u0131 ve Sahte Uygulamalar<\/h3>\n<p>Resmi uygulama ma\u011fazalar\u0131 (Google Play Store, Apple App Store) g\u00fcvenlik kontrolleri yapsa da, k\u00f6t\u00fc niyetli geli\u015ftiriciler bu kontrolleri a\u015fman\u0131n yeni yollar\u0131n\u0131 bulmaya devam ediyor. 2025&#8217;te, me\u015fru uygulamalar\u0131n taklitleri veya ba\u015flang\u0131\u00e7ta zarars\u0131z g\u00f6r\u00fcnen ancak g\u00fcncellemelerle k\u00f6t\u00fc ama\u00e7l\u0131 i\u015flevler kazanan uygulamalar daha s\u0131k g\u00f6r\u00fclecek. Bu sahte uygulamalar, ki\u015fisel verilerinizi \u00e7alabilir, cihaz\u0131n\u0131za k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m bula\u015ft\u0131rabilir veya sizi istenmeyen reklamlara maruz b\u0131rakabilir. Kullan\u0131c\u0131lar\u0131n uygulama izinlerini dikkatlice incelemesi ve \u015f\u00fcpheli uygulamalardan ka\u00e7\u0131nmas\u0131 b\u00fcy\u00fck \u00f6nem ta\u015f\u0131yor.<\/p>\n<h3>2.3. S\u0131f\u0131r G\u00fcn (Zero-Day) A\u00e7\u0131klar\u0131 ve Hedefli Sald\u0131r\u0131lar<\/h3>\n<p>S\u0131f\u0131r g\u00fcn a\u00e7\u0131klar\u0131, yaz\u0131l\u0131m geli\u015ftiricileri taraf\u0131ndan hen\u00fcz bilinmeyen veya yama yay\u0131nlanmam\u0131\u015f g\u00fcvenlik zafiyetleridir. Siber su\u00e7lular, bu a\u00e7\u0131klar\u0131 kullanarak mobil i\u015fletim sistemlerine veya pop\u00fcler uygulamalara hedefli sald\u0131r\u0131lar d\u00fczenleyebilir. 2025&#8217;te, bu t\u00fcr a\u00e7\u0131klar\u0131 ke\u015ffetmek ve istismar etmek i\u00e7in daha fazla kaynak ayr\u0131lacak. S\u0131f\u0131r g\u00fcn sald\u0131r\u0131lar\u0131, tespit edilmesi son derece zor oldu\u011fu i\u00e7in mobil cihazlar i\u00e7in en tehlikeli tehditlerden biridir ve genellikle y\u00fcksek de\u011ferli hedeflere (devlet yetkilileri, \u015firket y\u00f6neticileri) kar\u015f\u0131 kullan\u0131l\u0131r. Cihazlar\u0131n ve uygulamalar\u0131n d\u00fczenli olarak g\u00fcncellenmesi, bu riskleri azaltman\u0131n tek yoludur.<\/p>\n<h2>3. A\u011f ve Ba\u011flant\u0131 G\u00fcvenli\u011fi Riskleri<\/h2>\n<p>Mobil cihazlar\u0131m\u0131z\u0131n s\u00fcrekli internete ba\u011fl\u0131 olmas\u0131, a\u011f tabanl\u0131 sald\u0131r\u0131lar i\u00e7in geni\u015f bir y\u00fczey olu\u015fturur. 2025&#8217;te bu tehditler, yeni nesil a\u011f teknolojileriyle birlikte daha da karma\u015f\u0131k hale gelecek.<\/p>\n<h3>3.1. G\u00fcvenli Olmayan Wi-Fi ve Man-in-the-Middle (MitM) Sald\u0131r\u0131lar\u0131<\/h3>\n<p>Halka a\u00e7\u0131k ve g\u00fcvensiz Wi-Fi a\u011flar\u0131, Man-in-the-Middle (MitM) sald\u0131r\u0131lar\u0131 i\u00e7in ideal bir ortam sunar. 2025&#8217;te, siber su\u00e7lular\u0131n bu a\u011flar \u00fczerinden mobil cihazlar aras\u0131ndaki ileti\u015fimi dinlemesi, de\u011fi\u015ftirmesi veya y\u00f6nlendirmesi daha kolay hale gelebilir. Bu t\u00fcr sald\u0131r\u0131larla \u015fifreleriniz, bankac\u0131l\u0131k bilgileriniz veya di\u011fer hassas verileriniz ele ge\u00e7irilebilir. \u00d6zellikle kafe, havaalan\u0131 gibi yerlerde \u00fccretsiz Wi-Fi kullan\u0131rken VPN (Sanal \u00d6zel A\u011f) kullanmak ve HTTPS ba\u011flant\u0131lar\u0131na dikkat etmek hayati \u00f6nem ta\u015f\u0131r.<\/p>\n<h3>3.2. Nesnelerin \u0130nterneti (IoT) Cihazlar\u0131 \u00dczerinden Tehditler<\/h3>\n<p>Ak\u0131ll\u0131 ev cihazlar\u0131, giyilebilir teknolojiler ve di\u011fer IoT cihazlar\u0131, mobil telefonlar\u0131m\u0131zla s\u00fcrekli etkile\u015fim halinde. 2025&#8217;te, bu IoT cihazlar\u0131ndaki g\u00fcvenlik a\u00e7\u0131klar\u0131, mobil telefonlar\u0131m\u0131za y\u00f6nelik yeni bir sald\u0131r\u0131 vekt\u00f6r\u00fc olu\u015fturacak. Siber su\u00e7lular, zay\u0131f korunan bir ak\u0131ll\u0131 termostat veya g\u00fcvenlik kameras\u0131 \u00fczerinden a\u011f\u0131n\u0131za s\u0131zarak, mobil cihaz\u0131n\u0131zdaki verilere eri\u015febilir. Mobil telefonlar genellikle bu IoT ekosisteminin merkezi kontrol noktas\u0131 oldu\u011fundan, bir IoT cihaz\u0131ndaki zafiyet, t\u00fcm a\u011f\u0131n tehlikeye girmesine neden olabilir.<\/p>\n<h2>4. Donan\u0131m, \u0130\u015fletim Sistemi ve Tedarik Zinciri Zafiyetleri<\/h2>\n<p>Mobil cihazlar\u0131n temel bile\u015fenleri ve \u00fcretim s\u00fcre\u00e7leri de siber sald\u0131rganlar\u0131n hedefinde olabilir. Donan\u0131m ve yaz\u0131l\u0131m\u0131n entegrasyonu, yeni g\u00fcvenlik zafiyetleri yarat\u0131yor.<\/p>\n<h3>4.1. Tedarik Zinciri Sald\u0131r\u0131lar\u0131 ve Donan\u0131m Manip\u00fclasyonlar\u0131<\/h3>\n<p>Tedarik zinciri sald\u0131r\u0131lar\u0131, bir \u00fcr\u00fcn\u00fcn (mobil telefon, i\u015fletim sistemi veya uygulama) \u00fcretim, da\u011f\u0131t\u0131m veya g\u00fcncelleme a\u015famas\u0131nda manip\u00fcle edilmesidir. 2025&#8217;te, siber su\u00e7lular\u0131n mobil cihazlar\u0131n donan\u0131m\u0131na veya yaz\u0131l\u0131m\u0131na \u00fcretim a\u015famas\u0131nda k\u00f6t\u00fc ama\u00e7l\u0131 kod yerle\u015ftirmesi riski artacak. Bu, cihazlar\u0131n fabrika \u00e7\u0131k\u0131\u015f\u0131nda bile g\u00fcvenlik a\u00e7\u0131klar\u0131yla gelmesi anlam\u0131na gelebilir. Kullan\u0131c\u0131lar i\u00e7in bu t\u00fcr sald\u0131r\u0131lar\u0131 tespit etmek neredeyse imkans\u0131zd\u0131r, bu da markalar\u0131n ve \u00fcreticilerin tedarik zinciri g\u00fcvenli\u011fine daha fazla yat\u0131r\u0131m yapmas\u0131n\u0131 zorunlu k\u0131l\u0131yor.<\/p>\n<h3>4.2. Biyometrik Kimlik Do\u011frulama Sistemlerindeki A\u00e7\u0131klar<\/h3>\n<p>Parmak izi okuyucular, y\u00fcz tan\u0131ma sistemleri ve iris taray\u0131c\u0131lar\u0131 gibi biyometrik kimlik do\u011frulama y\u00f6ntemleri, mobil g\u00fcvenli\u011fin temel ta\u015flar\u0131ndan biri haline geldi. Ancak 2025&#8217;te, bu sistemlerdeki zafiyetlerin istismar edilmesi veya taklit edilmesi y\u00f6ntemleri daha da geli\u015febilir. Geli\u015fmi\u015f yapay zeka ve 3D bask\u0131 teknikleri, biyometrik verilerin taklit edilmesini veya atlat\u0131lmas\u0131n\u0131 kolayla\u015ft\u0131rabilir. Bu durum, mobil cihazlara yetkisiz eri\u015fim riskini art\u0131r\u0131rken, biyometrik verilerin g\u00fcvenli bir \u015fekilde saklanmas\u0131 ve i\u015flenmesi konusundaki endi\u015feleri de beraberinde getiriyor.<\/p>\n<h2>5. Veri Gizlili\u011fi \u0130hlalleri ve Yasal Zorluklar<\/h2>\n<p>Mobil cihazlar\u0131m\u0131zda depolad\u0131\u011f\u0131m\u0131z ki\u015fisel ve hassas veri miktar\u0131 artt\u0131k\u00e7a, bu verilerin gizlili\u011fi ve korunmas\u0131 daha kritik hale geliyor.<\/p>\n<h3>5.1. Artan Veri Gizlili\u011fi \u0130hlalleri ve Hassas Bilgi S\u0131z\u0131nt\u0131lar\u0131<\/h3>\n<p>Mobil uygulamalar ve hizmetler arac\u0131l\u0131\u011f\u0131yla toplanan b\u00fcy\u00fck veri y\u0131\u011f\u0131nlar\u0131, siber su\u00e7lular i\u00e7in cazip bir hedef olu\u015fturuyor. 2025&#8217;te, b\u00fcy\u00fck \u00f6l\u00e7ekli veri ihlalleri ve hassas bilgi s\u0131z\u0131nt\u0131lar\u0131, mobil kullan\u0131c\u0131lar\u0131 daha fazla etkileyecek. Konum verileri, sa\u011fl\u0131k bilgileri, finansal kay\u0131tlar ve ki\u015fisel ileti\u015fimler gibi veriler, veri arac\u0131lar\u0131n\u0131n (data brokers) ve siber su\u00e7lular\u0131n eline ge\u00e7erek kimlik h\u0131rs\u0131zl\u0131\u011f\u0131, doland\u0131r\u0131c\u0131l\u0131k veya \u015fantaj gibi k\u00f6t\u00fc ama\u00e7lar i\u00e7in kullan\u0131labilir. Kullan\u0131c\u0131lar\u0131n hangi uygulamalara hangi izinleri verdi\u011fini kontrol etmesi ve ki\u015fisel verilerini payla\u015f\u0131rken dikkatli olmas\u0131 b\u00fcy\u00fck \u00f6nem ta\u015f\u0131maktad\u0131r.<\/p>\n<h2>Sonu\u00e7<\/h2>\n<p>2025 y\u0131l\u0131na do\u011fru ilerlerken, mobil telefon g\u00fcvenli\u011fi alan\u0131ndaki tehditlerin hem say\u0131s\u0131 hem de karma\u015f\u0131kl\u0131\u011f\u0131 artmaya devam edecek. Yapay zeka destekli kimlik av\u0131, derin sahte teknolojileri, evrimle\u015fen k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar, s\u0131f\u0131r g\u00fcn a\u00e7\u0131klar\u0131 ve tedarik zinciri sald\u0131r\u0131lar\u0131 gibi tehditler, hem bireysel kullan\u0131c\u0131lar\u0131 hem de kurumsal yap\u0131lar\u0131 hedef alacak. Bu tehditlere kar\u015f\u0131 koymak i\u00e7in \u00e7ok katmanl\u0131 bir g\u00fcvenlik yakla\u015f\u0131m\u0131 benimsemek zorunludur. Cihazlar\u0131n ve uygulamalar\u0131n d\u00fczenli olarak g\u00fcncellenmesi, g\u00fc\u00e7l\u00fc ve benzersiz \u015fifreler kullan\u0131lmas\u0131, iki fakt\u00f6rl\u00fc kimlik do\u011frulaman\u0131n etkinle\u015ftirilmesi, bilinmeyen kaynaklardan uygulama indirmekten ka\u00e7\u0131n\u0131lmas\u0131 ve halka a\u00e7\u0131k Wi-Fi a\u011flar\u0131nda dikkatli olunmas\u0131 gibi temel \u00f6nlemler hayati \u00f6nem ta\u015f\u0131maktad\u0131r. Ayr\u0131ca, siber g\u00fcvenlik fark\u0131ndal\u0131\u011f\u0131n\u0131n art\u0131r\u0131lmas\u0131 ve kullan\u0131c\u0131lar\u0131n potansiyel tehditler hakk\u0131nda e\u011fitilmesi, mobil g\u00fcvenli\u011fin gelece\u011fi i\u00e7in kilit rol oynayacakt\u0131r.<\/p>\n<h2>SSS (S\u0131k Sorulan Sorular)<\/h2>\n<h3>Mobil telefonumu 2025&#8217;te nas\u0131l g\u00fcvende tutabilirim?<\/h3>\n<p>Mobil cihaz\u0131n\u0131z\u0131 g\u00fcvende tutmak i\u00e7in birka\u00e7 temel ad\u0131m\u0131 uygulayabilirsiniz: \u0130\u015fletim sisteminizi ve t\u00fcm uygulamalar\u0131n\u0131z\u0131 d\u00fczenli olarak g\u00fcncelleyin. G\u00fc\u00e7l\u00fc, benzersiz \u015fifreler kullan\u0131n ve m\u00fcmk\u00fcnse iki fakt\u00f6rl\u00fc kimlik do\u011frulamay\u0131 etkinle\u015ftirin. Bilinmeyen kaynaklardan uygulama indirmekten ka\u00e7\u0131n\u0131n ve uygulama izinlerini dikkatlice kontrol edin. G\u00fcvenilir bir mobil g\u00fcvenlik yaz\u0131l\u0131m\u0131 kullan\u0131n ve halka a\u00e7\u0131k Wi-Fi a\u011flar\u0131nda hassas i\u015flemler yapmaktan ka\u00e7\u0131n\u0131n veya bir VPN kullan\u0131n. \u015e\u00fcpheli e-postalara veya mesajlara asla t\u0131klamay\u0131n.<\/p>\n<h3>En b\u00fcy\u00fck mobil g\u00fcvenlik tehdidi nedir?<\/h3>\n<p>2025 y\u0131l\u0131nda en b\u00fcy\u00fck mobil g\u00fcvenlik tehditlerinden biri, yapay zeka destekli kimlik av\u0131 ve sosyal m\u00fchendislik sald\u0131r\u0131lar\u0131 olacakt\u0131r. Bu sald\u0131r\u0131lar, YZ&#8217;nin ki\u015fiselle\u015ftirme ve ikna yetenekleri sayesinde daha ger\u00e7ek\u00e7i ve tespit edilmesi zor hale gelecek, kullan\u0131c\u0131lar\u0131 kand\u0131rarak hassas bilgilerini ele ge\u00e7irmeyi hedefleyecektir. Ayr\u0131ca, s\u0131f\u0131r g\u00fcn a\u00e7\u0131klar\u0131 ve evrimle\u015fen k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar da s\u00fcrekli olarak \u00f6nemli tehditler aras\u0131nda yer alacakt\u0131r.<\/p>\n<h3>Uygulama izinleri neden bu kadar \u00f6nemli?<\/h3>\n<p>Uygulama izinleri, bir uygulaman\u0131n cihaz\u0131n\u0131zdaki hangi verilere veya i\u015flevlere eri\u015febilece\u011fini belirler. \u00d6rne\u011fin, bir el feneri uygulamas\u0131n\u0131n konumunuza veya ki\u015filerinize eri\u015fim izni istemesi \u015f\u00fcpheli olabilir. Gereksiz veya mant\u0131ks\u0131z izinler isteyen uygulamalar, ki\u015fisel verilerinizi k\u00f6t\u00fcye kullanabilir veya cihaz\u0131n\u0131za k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m bula\u015ft\u0131rabilir. Bu nedenle, bir uygulamay\u0131 y\u00fcklemeden \u00f6nce istenen izinleri dikkatlice incelemek ve yaln\u0131zca gerekli olanlara onay vermek \u00e7ok \u00f6nemlidir.<\/p>\n<h3>S\u0131f\u0131r g\u00fcn a\u00e7\u0131\u011f\u0131 (Zero-Day Exploit) nedir?<\/h3>\n<p>S\u0131f\u0131r g\u00fcn a\u00e7\u0131\u011f\u0131, bir yaz\u0131l\u0131mdaki (i\u015fletim sistemi, uygulama vb.) geli\u015ftiriciler taraf\u0131ndan hen\u00fcz bilinmeyen veya yama yay\u0131nlanmam\u0131\u015f bir g\u00fcvenlik zafiyetidir. Siber su\u00e7lular bu a\u00e7\u0131\u011f\u0131 ke\u015ffetti\u011finde ve istismar etti\u011finde, geli\u015ftiricilerin bu a\u00e7\u0131\u011f\u0131 kapatmak i\u00e7in &#8220;s\u0131f\u0131r g\u00fcn\u00fc&#8221; vard\u0131r, yani hen\u00fcz bir \u00e7\u00f6z\u00fcm mevcut de\u011fildir. Bu t\u00fcr a\u00e7\u0131klar, genellikle hedefli ve sofistike sald\u0131r\u0131larda kullan\u0131l\u0131r \u00e7\u00fcnk\u00fc tespit edilmesi ve savunulmas\u0131 son derece zordur.<\/p>\n","protected":false},"excerpt":{"rendered":"Mobil telefonlar, g\u00fcn\u00fcm\u00fcz d\u00fcnyas\u0131nda sadece bir ileti\u015fim arac\u0131 olmaktan \u00e7ok daha fazlas\u0131n\u0131 ifade ediyor; ki\u015fisel asistan\u0131m\u0131z, bankam\u0131z, ofisimi&#8230;","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_page_header_type":"","csco_page_load_nextpost":"","csco_page_subscribe_form":"","csco_page_contact_form":"","footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-37268","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-genel","7":"cs-entry","8":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.5 (Yoast SEO v25.3.1) - 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