{"id":7136,"date":"2026-02-23T13:21:31","date_gmt":"2026-02-23T10:21:31","guid":{"rendered":"https:\/\/uzmanposta.com\/blog\/?p=7136"},"modified":"2026-02-23T13:21:35","modified_gmt":"2026-02-23T10:21:35","slug":"e-posta-sahtekarligi-nedir-tanim-ve-ornekler","status":"publish","type":"post","link":"https:\/\/uzmanposta.com\/blog\/e-posta-sahtekarligi-nedir-tanim-ve-ornekler\/","title":{"rendered":"E-posta Sahtekarl\u0131\u011f\u0131 Nedir? Tan\u0131m ve \u00d6rnekler"},"content":{"rendered":"\n<p>E-posta, d\u00fcnya \u00e7ap\u0131ndaki \u00e7o\u011fu kurum i\u00e7in en \u00f6nemli ileti\u015fim arac\u0131d\u0131r. Say\u0131s\u0131z \u00e7evrimi\u00e7i ma\u011faza ve bir\u00e7ok kurum, g\u00fcnl\u00fck ileti\u015fimlerini e-posta yoluyla y\u00fcr\u00fctmektedir. Bu yo\u011fun kullan\u0131m da e-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131na kap\u0131 a\u00e7maktad\u0131r. Bu nedenle, e-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131yla nas\u0131l ba\u015fa \u00e7\u0131k\u0131laca\u011f\u0131n\u0131 \u00f6\u011frenmek her zamankinden daha \u00f6nemlidir. K\u00f6t\u00fc niyetli ki\u015filer e-postalar\u0131n \u00f6nemini bildikleri i\u00e7in dikkatli olmazsan\u0131z, kolayca gelen kutunuza girebilirler.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Doland\u0131r\u0131c\u0131l\u0131k Nedir?<\/h2>\n\n\n\n<p>Doland\u0131r\u0131c\u0131l\u0131\u011f\u0131 \u00f6nlemek, doland\u0131r\u0131c\u0131l\u0131\u011f\u0131n ne oldu\u011funu anlamakla ba\u015flar. Doland\u0131r\u0131c\u0131l\u0131k, failin bir fayda elde etmek i\u00e7in hedef ki\u015fiyi aldatmak amac\u0131yla kas\u0131tl\u0131 olarak ger\u00e7ekle\u015ftirdi\u011fi bir eylemdir. Ba\u015fka bir deyi\u015fle, finansal veya ba\u015fka t\u00fcrl\u00fc bir kazan\u00e7 elde etmek i\u00e7in yanl\u0131\u015f beyanlara dayanan her t\u00fcrl\u00fc faaliyet doland\u0131r\u0131c\u0131l\u0131k olarak tan\u0131mlan\u0131r.<\/p>\n\n\n\n<p>Doland\u0131r\u0131c\u0131l\u0131k, tek bir ki\u015fi veya bir grup taraf\u0131ndan ger\u00e7ekle\u015ftirilebilir. Yayg\u0131n doland\u0131r\u0131c\u0131l\u0131k t\u00fcrleri a\u015fa\u011f\u0131dakileri i\u00e7ermektedir:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vergi doland\u0131r\u0131c\u0131l\u0131\u011f\u0131<\/li>\n\n\n\n<li>Banka veya kredi kart\u0131 doland\u0131r\u0131c\u0131l\u0131\u011f\u0131<\/li>\n\n\n\n<li>Sigorta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131<\/li>\n\n\n\n<li>Sa\u011fl\u0131k hizmetleri doland\u0131r\u0131c\u0131l\u0131\u011f\u0131<\/li>\n\n\n\n<li>Menkul k\u0131ymet doland\u0131r\u0131c\u0131l\u0131\u011f\u0131<\/li>\n\n\n\n<li>Kimlik doland\u0131r\u0131c\u0131l\u0131\u011f\u0131<\/li>\n\n\n\n<li>\u00c7evrimi\u00e7i doland\u0131r\u0131c\u0131l\u0131k<\/li>\n<\/ul>\n\n\n\n<p>\u00d6zellikle e-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131, \u00e7evrimi\u00e7i ortamda kar\u015f\u0131la\u015fabilece\u011finiz en yayg\u0131n doland\u0131r\u0131c\u0131l\u0131k t\u00fcrlerinden biridir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">E-posta Sahtekarl\u0131\u011f\u0131 Nedir?<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2026\/02\/e-posta-sahtekarligi-nedir-1024x576.jpeg\" alt=\"\" class=\"wp-image-7138\" srcset=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2026\/02\/e-posta-sahtekarligi-nedir-1024x576.jpeg 1024w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2026\/02\/e-posta-sahtekarligi-nedir-300x169.jpeg 300w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2026\/02\/e-posta-sahtekarligi-nedir-768x432.jpeg 768w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2026\/02\/e-posta-sahtekarligi-nedir.jpeg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>E-posta sahtekarl\u0131\u011f\u0131 veya e-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131, e-posta yoluyla ger\u00e7ekle\u015ftirilen her t\u00fcrl\u00fc doland\u0131r\u0131c\u0131l\u0131k faaliyetini ifade etmek i\u00e7in kullan\u0131lan terimlerdir. E-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131n\u0131n bir\u00e7ok t\u00fcr\u00fc vard\u0131r ve ama\u00e7lar\u0131 a\u015fa\u011f\u0131dakileri i\u00e7ermektedir:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Veri h\u0131rs\u0131zl\u0131\u011f\u0131<\/li>\n\n\n\n<li>Finansal h\u0131rs\u0131zl\u0131k<\/li>\n\n\n\n<li>Kimlik bilgisi h\u0131rs\u0131zl\u0131\u011f\u0131<\/li>\n\n\n\n<li>Elektronik doland\u0131r\u0131c\u0131l\u0131k<\/li>\n\n\n\n<li>Tedarik zinciri sald\u0131r\u0131lar\u0131<\/li>\n\n\n\n<li>K\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m bula\u015fmas\u0131<\/li>\n<\/ul>\n\n\n\n<p>En yayg\u0131n e-posta sahtekarl\u0131\u011f\u0131 t\u00fcrleri aras\u0131nda, bireyler ve kurumlar i\u00e7in s\u00fcrekli bir tehdit olu\u015fturan \u00e7e\u015fitli kimlik av\u0131 sald\u0131r\u0131lar\u0131 yer al\u0131r. Bu siber sald\u0131r\u0131lar genellikle sosyal m\u00fchendislik taktikleri kullanarak hedeflenen ki\u015filere aciliyet veya heyecan hissi a\u015f\u0131lar ve onlar\u0131 doland\u0131r\u0131r.&nbsp;<\/p>\n\n\n\n<p>Basit ve me\u015fru g\u00f6r\u00fcnen bir e-posta, kullan\u0131c\u0131lar\u0131 fidye yaz\u0131l\u0131m\u0131 veya casus yaz\u0131l\u0131m gibi k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar\u0131 bilgisayarlar\u0131na veya cihazlar\u0131na indiren k\u00f6t\u00fc ama\u00e7l\u0131 bir ba\u011flant\u0131ya t\u0131klamaya y\u00f6nlendirebilir. Bir ba\u015fka pop\u00fcler teknik ise, hedeflenen ki\u015fileri hesaplar\u0131n\u0131n ele ge\u00e7irildi\u011fine veya bir \u00f6d\u00fcl kazand\u0131klar\u0131na ikna etmek i\u00e7in sahte e-postalar kullanmakt\u0131r.&nbsp;<\/p>\n\n\n\n<p>Her iki durumda da, hedefler kimlik bilgilerini vermeleri i\u00e7in doland\u0131r\u0131l\u0131r ve k\u00f6t\u00fc niyetli ki\u015filer bu bilgileri daha fazla doland\u0131r\u0131c\u0131l\u0131k veya h\u0131rs\u0131zl\u0131k yapmak i\u00e7in kullan\u0131r. Ayr\u0131ca \u00f6n \u00f6deme doland\u0131r\u0131c\u0131l\u0131\u011f\u0131 da pop\u00fcler taktiklerden biridir. Bu doland\u0131r\u0131c\u0131l\u0131k t\u00fcr\u00fcnde, doland\u0131r\u0131c\u0131lar hedeflenen ki\u015filere bir \u00fccret \u00f6dedikten sonra harika i\u015f f\u0131rsatlar\u0131, nakit \u00f6d\u00fcller veya farkl\u0131 te\u015fvikler vaat eder. Bu doland\u0131r\u0131c\u0131l\u0131k y\u00f6ntemleri daha ki\u015fisel de olabilir. Hedeflenen ki\u015fileri temel olarak \u201ccatfished\u201d olur ve faillere para g\u00f6ndermeleri istenir.&nbsp;<\/p>\n\n\n\n<p>Spear <a href=\"https:\/\/uzmanposta.com\/blog\/phishing-nedir\/\">phishing<\/a> veya <a href=\"https:\/\/uzmanposta.com\/blog\/bec\/\">business email compromise (BEC)<\/a> gibi daha karma\u015f\u0131k doland\u0131r\u0131c\u0131l\u0131k y\u00f6ntemleri ise, genellikle kurumlar\u0131n \u00fcst d\u00fczey y\u00f6neticilerini hedef al\u0131r. Bu t\u00fcr hedefli sald\u0131r\u0131lar, k\u00f6t\u00fc niyetli ki\u015filerin ba\u015far\u0131l\u0131 bir \u015fekilde ger\u00e7ekle\u015ftirebilmeleri i\u00e7in \u00e7ok fazla ara\u015ft\u0131rma yapmalar\u0131n\u0131 gerektirdi\u011finden, onlar i\u00e7in b\u00fcy\u00fck \u00e7aba gerektirir. Ancak, bilgisayar korsanlar\u0131 genellikle hedeflenen ki\u015filerin kendilerine para g\u00f6ndermeleri veya kurumun gizli verilerini if\u015fa etmeleri i\u00e7in kand\u0131rarak b\u00fcy\u00fck kazan\u00e7lar elde eder.\u00a0<\/p>\n\n\n\n<p>\u00c7o\u011fu durumda, doland\u0131r\u0131c\u0131lar pandemi veya Krali\u00e7e II. Elizabeth&#8217;in \u00f6l\u00fcm\u00fc gibi d\u00fcnya \u00e7ap\u0131ndaki olaylar\u0131 istismar ederler. Her iki olay s\u0131ras\u0131nda e-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131 sald\u0131r\u0131lar\u0131nda art\u0131\u015f ya\u015fand\u0131 ve say\u0131s\u0131z doland\u0131r\u0131c\u0131l\u0131k, fark\u0131nda olmayan ki\u015fileri etkiledi.&nbsp;<\/p>\n\n\n\n<p>Hemen hemen her e-posta sahtekarl\u0131\u011f\u0131 giri\u015fiminin amac\u0131 ayn\u0131d\u0131r: finansal kazan\u00e7 elde etmek veya \u00e7evrimi\u00e7i satmak i\u00e7in hassas veriler toplamak. Sonu\u00e7 her zaman olumsuzdur. \u00c7o\u011fu zaman, ihlali ancak ger\u00e7ekle\u015fti\u011finde fark edersiniz. Sonu\u00e7lar genellikle olduk\u00e7a k\u00f6t\u00fc olur. Ki\u015fisel d\u00fczeyde, kimlik h\u0131rs\u0131zl\u0131\u011f\u0131, parasal kay\u0131p vb. ile u\u011fra\u015fmak zorunda kalabilirsiniz.<\/p>\n\n\n\n<p>\u00d6nemli bir \u00e7evrimi\u00e7i varl\u0131\u011fa sahip bir i\u015fletme y\u00f6netiyorsan\u0131z, g\u00fcnl\u00fck operasyonlar\u0131n\u0131zda veya tedarik zincirinizde aksakl\u0131klar, banka havalesi doland\u0131r\u0131c\u0131l\u0131\u011f\u0131 ve s\u0131zan patentler gibi daha fazla zorlukla kar\u015f\u0131la\u015fabilirsiniz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kurumlar ve E-posta Sahtekarl\u0131\u011f\u0131<\/h2>\n\n\n\n<p>E-posta sahtekarl\u0131\u011f\u0131 en yayg\u0131n doland\u0131r\u0131c\u0131l\u0131k t\u00fcrlerinden biri oldu\u011fu i\u00e7in, i\u015fletmeleri hedef almas\u0131 olduk\u00e7a mant\u0131kl\u0131d\u0131r. \u00c7\u00fcnk\u00fc bilgisayar korsanlar\u0131, b\u00fcy\u00fck kurumlarla \u015fanslar\u0131n\u0131 deneyerek daha b\u00fcy\u00fck kazan\u00e7lar elde edebilir. Bu nedenle, CEO fraud g\u00fcn\u00fcm\u00fczde \u00e7ok yayg\u0131nd\u0131r ve t\u00fcm \u015firket personeli, <a href=\"https:\/\/uzmanposta.com\/blog\/kimlik-avi-nedir-nasil-onlenir\/\">kimlik av\u0131 sald\u0131r\u0131lar\u0131n\u0131<\/a> ve bunlar\u0131 nas\u0131l tespit edeceklerini anlamak i\u00e7in e\u011fitilmelidir.<\/p>\n\n\n\n<p>A\u015fa\u011f\u0131daki sekt\u00f6rler, e-posta sahtekarl\u0131\u011f\u0131n\u0131n en s\u0131k hedef ald\u0131\u011f\u0131 sekt\u00f6rlerden baz\u0131lar\u0131d\u0131r:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Finans ve Bankac\u0131l\u0131k<\/h3>\n\n\n\n<p>Finans sekt\u00f6r\u00fc son y\u0131llarda giderek dijitalle\u015fti. G\u00fcn\u00fcm\u00fczde neredeyse t\u00fcm finansal i\u015flemler \u00e7evrimi\u00e7i olarak ger\u00e7ekle\u015ftirilmektedir. K\u00f6t\u00fc niyetli ki\u015filer genellikle bu durumu, hedeflenen ki\u015filerin bankas\u0131ndan geliyormu\u015f gibi g\u00f6r\u00fcnen sahte e-postalarla istismar eder. \u00c7o\u011fu zaman d\u00fc\u015f\u00fck seviyeli giri\u015fimlerde bulunurlar, ancak BEC sald\u0131r\u0131lar\u0131, \u015firket i\u00e7inde para transferi yapma yetkisine sahip ki\u015fileri hedef almak i\u00e7in \u00f6zenle tasarlan\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sa\u011fl\u0131k<\/h3>\n\n\n\n<p>Sa\u011fl\u0131k alan\u0131ndaki doland\u0131r\u0131c\u0131l\u0131k, internetin ortaya \u00e7\u0131kmas\u0131ndan bu yana yayg\u0131n bir sorundur. \u0130lk zamanlarda, k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m y\u00fckl\u00fc banner&#8217;lar her yerdeydi ve re\u00e7etesiz mucizevi haplar veya ila\u00e7lar sunuluyordu. G\u00fcn\u00fcm\u00fczde doland\u0131r\u0131c\u0131l\u0131k daha karma\u015f\u0131k hale geldi. Bir\u00e7o\u011fu e-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131 \u015feklinde ger\u00e7ekle\u015fir ve genellikle fidye yaz\u0131l\u0131m\u0131 da\u011f\u0131tmak i\u00e7in kurumlar\u0131, verilerini toplamak i\u00e7in \u015f\u00fcphelenmeyen ki\u015fileri veya BEC veya kimlik av\u0131 sald\u0131r\u0131s\u0131 yoluyla finansal h\u0131rs\u0131zl\u0131k yapmak i\u00e7in hedef al\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">E\u011fitim<\/h3>\n\n\n\n<p>E\u011fitim sekt\u00f6r\u00fc, e-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131n\u0131n ba\u015fl\u0131ca hedefi olmaya devam etmektedir. Yayg\u0131n doland\u0131r\u0131c\u0131l\u0131k y\u00f6ntemleri aras\u0131nda, kullan\u0131c\u0131 verilerini \u00e7almak amac\u0131yla yap\u0131lan toplu kimlik av\u0131 kampanyalar\u0131 ve mali kazan\u00e7 elde etmek i\u00e7in karar vericileri hedef alan daha \u00f6zel doland\u0131r\u0131c\u0131l\u0131k y\u00f6ntemleri bulunmaktad\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kamu<\/h3>\n\n\n\n<p>Bilgisayar korsanlar\u0131, finansal, politik veya veri kazan\u00e7lar\u0131 i\u00e7in yetkilileri taklit etmekten \u00e7ekinmez. Sahte e-postalar kullanarak kamu \u00e7al\u0131\u015fanlar\u0131n\u0131 sahte faturalar\u0131 \u00f6demeleri, g\u00fcvenli sistemlere eri\u015fim izni vermeleri veya gizli bilgileri if\u015fa etmeleri i\u00e7in kand\u0131r\u0131r. \u00d6te yandan, doland\u0131r\u0131c\u0131lar vatanda\u015flar\u0131 kand\u0131rmak i\u00e7in kamu yetkililerini taklit eder.<\/p>\n\n\n\n<p>Bu yeni bir \u015fey de\u011fildir. Piyango e-postalar\u0131, herhangi bir \u015fehirde b\u00fcy\u00fck bir ikramiye oldu\u011funda s\u0131k\u00e7a g\u00f6r\u00fclen bir doland\u0131r\u0131c\u0131l\u0131k y\u00f6ntemidir. Ayr\u0131ca, IRS&#8217;yi taklit eden ki\u015filerden ve sizden bilgi veya para almaya \u00e7al\u0131\u015fan di\u011fer devlet kurumlar\u0131ndan e-postalar da alabilirsiniz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Muhtemel Hedefler Kimlerdir?<\/h2>\n\n\n\n<p>\u0130\u015f e-postas\u0131 doland\u0131r\u0131c\u0131lar\u0131n\u0131n genellikle hedef ald\u0131\u011f\u0131 birka\u00e7 grup insan vard\u0131r. Bunlar a\u015fa\u011f\u0131dakileri i\u00e7erir:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u00dcst d\u00fczey y\u00f6neticiler:<\/strong> Bilgisayar korsanlar\u0131 genellikle hassas bilgilere eri\u015fimi olan veya finansal i\u015flemleri onaylama yetkisine sahip y\u00f6neticileri hedef al\u0131r.<\/li>\n\n\n\n<li><strong>Muhasebe ve finans personeli: <\/strong>Muhasebe ve finans departmanlar\u0131nda \u00e7al\u0131\u015fanlar, finansal bilgilere eri\u015fimi oldu\u011fu ve yine \u00f6demeleri onaylayabildi\u011fi i\u00e7in s\u0131kl\u0131kla hedef al\u0131n\u0131r.<\/li>\n\n\n\n<li><strong>\u0130nsan kaynaklar\u0131 personeli: <\/strong>Bilgisayar korsanlar\u0131, kimlik h\u0131rs\u0131zl\u0131\u011f\u0131 i\u00e7in kullan\u0131labilecek sosyal g\u00fcvenlik numaralar\u0131 gibi \u00e7al\u0131\u015fan verilerini elde etmek i\u00e7in insan kaynaklar\u0131 personelini hedef alabilir.<\/li>\n\n\n\n<li><strong>Genel olarak \u00e7al\u0131\u015fanlar: <\/strong>Bilgisayar korsanlar\u0131, \u015firket e-posta hesaplar\u0131na veya di\u011fer hassas bilgilere eri\u015fimi olan \u00e7al\u0131\u015fanlar\u0131 da hedef alabilir ve buradan di\u011fer hesaplara ge\u00e7ebilir.<\/li>\n\n\n\n<li><strong>M\u00fc\u015fteriler ve sat\u0131c\u0131lar: <\/strong>Bilgisayar korsanlar\u0131, bilgi elde etmek veya doland\u0131r\u0131c\u0131l\u0131k i\u015flemleri ba\u015flatmak i\u00e7in m\u00fc\u015fteriler veya sat\u0131c\u0131lar gibi davranabilir.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">E-posta Sahtekarl\u0131\u011f\u0131 Nas\u0131l Tan\u0131mlan\u0131r?<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2026\/02\/e-posta-sahtekarligi-nasil-tanimlanir-1024x576.jpeg\" alt=\"\" class=\"wp-image-7139\" srcset=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2026\/02\/e-posta-sahtekarligi-nasil-tanimlanir-1024x576.jpeg 1024w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2026\/02\/e-posta-sahtekarligi-nasil-tanimlanir-300x169.jpeg 300w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2026\/02\/e-posta-sahtekarligi-nasil-tanimlanir-768x432.jpeg 768w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2026\/02\/e-posta-sahtekarligi-nasil-tanimlanir.jpeg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>E-posta sahtekarl\u0131\u011f\u0131n\u0131 \u00f6nlemek, sahte e-postalar\u0131 tan\u0131makla ba\u015flar. Dikkat etmezseniz g\u00f6zden ka\u00e7abilecek baz\u0131 \u00f6zellikleri doland\u0131r\u0131c\u0131l\u0131k ama\u00e7l\u0131 e-postalarda fark edebilirsiniz.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>G\u00f6nderenin e-posta alan\u0131 ger\u00e7ek kurumdan farkl\u0131d\u0131r (hi\u00e7bir \u015firket \u201cgmail.com\u201d gibi genel ESP&#8217;leri kullanmaz. Kurumsal e-posta alanlar\u0131 kullan\u0131rlar).<\/li>\n\n\n\n<li>E-posta, \u201cde\u011ferli m\u00fc\u015fteri\u201d gibi genel bir hitapla size seslenir.<\/li>\n\n\n\n<li>E-posta, ola\u011fan d\u0131\u015f\u0131 bir i\u015flem yapman\u0131z\u0131 ister.<\/li>\n\n\n\n<li>E-posta, bir sorunu m\u00fcmk\u00fcn olan en k\u0131sa s\u00fcrede \u00e7\u00f6zmek i\u00e7in harekete ge\u00e7menizi isteyen bir aciliyet hissi uyand\u0131r\u0131r.<\/li>\n\n\n\n<li>E-posta, web sitesini ziyaret etmenizi istemek yerine sorunu do\u011frudan \u00e7\u00f6zmek i\u00e7in bir ba\u011flant\u0131 sa\u011flar.<\/li>\n\n\n\n<li>E-postadaki dil bilgisi yanl\u0131\u015ft\u0131r ve kula\u011fa tuhaf gelir.<\/li>\n\n\n\n<li>E-posta uygun olmayan bir saatte gelir. \u00c7o\u011fu b\u00fclten ve i\u015f e-postas\u0131n\u0131n belirli saatlere g\u00f6re planland\u0131\u011f\u0131n\u0131 unutmay\u0131n.<\/li>\n\n\n\n<li>E-postadaki mesaj bir resim veya ba\u015fka bir \u015f\u00fcpheli ek i\u00e7erir.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">E-posta Sahtekarl\u0131\u011f\u0131ndan Ka\u00e7\u0131nman\u0131n Yollar\u0131<\/h2>\n\n\n\n<p>E-posta sahtekarl\u0131\u011f\u0131ndan ka\u00e7\u0131nmak, haz\u0131rl\u0131kl\u0131 de\u011filseniz kolay de\u011fildir. E-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131ndan ka\u00e7\u0131nman\u0131n en iyi yolu, sa\u011flam bir \u00f6nleme stratejisidir. Bu y\u00fczden ekibiniz uygun \u015fekilde e\u011fitilmelidir. E-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131n\u0131n ne oldu\u011funu, nas\u0131l \u00f6nlenece\u011fini ve nas\u0131l tan\u0131naca\u011f\u0131n\u0131 \u00f6\u011frenmeleri gerekir. Doland\u0131r\u0131c\u0131l\u0131\u011f\u0131 \u00f6nlemenin en iyi yollar\u0131ndan baz\u0131lar\u0131 a\u015fa\u011f\u0131dakileri i\u00e7ermektedir:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Hassas Bilgileri Payla\u015fmaktan Ka\u00e7\u0131n\u0131n<\/h3>\n\n\n\n<p>\u00c7o\u011fu e-posta sahtekarl\u0131\u011f\u0131, insanlar\u0131n tam ad\u0131, banka bilgileri, sosyal g\u00fcvenlik numaras\u0131, giri\u015f bilgileri ve daha fazlas\u0131 gibi hassas bilgileri payla\u015fmas\u0131n\u0131 sa\u011flamak i\u00e7in tasarlanm\u0131\u015ft\u0131r. Hi\u00e7bir kurum bu t\u00fcr verileri istemez, \u00f6zellikle de platformlar\u0131na kat\u0131lmadan \u00f6nce bu bilgileri bir formda talep etmi\u015flerse. Talep ne kadar me\u015fru g\u00f6r\u00fcn\u00fcrse g\u00f6r\u00fcns\u00fcn, g\u00fcvenli tarafta olmak i\u00e7in bu t\u00fcr talepleri y\u00f6neticinize veya hizmet sa\u011flay\u0131c\u0131n\u0131za dan\u0131\u015farak iki kez kontrol etmek en iyisidir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Cihazlar\u0131n\u0131z\u0131 G\u00fcncelleyin<\/h3>\n\n\n\n<p>Bilgisayar\u0131n\u0131z ve ak\u0131ll\u0131 telefonunuz, sizi doland\u0131r\u0131c\u0131l\u0131ktan korumak i\u00e7in yaz\u0131l\u0131mlar\u0131n\u0131 s\u0131k s\u0131k g\u00fcnceller. Doland\u0131r\u0131c\u0131l\u0131k i\u00e7eren bir e-postaya inanm\u0131\u015f olsan\u0131z bile, cihazlar\u0131n\u0131z\u0131n yerle\u015fik g\u00fcvenlik sistemi size bir sorun oldu\u011funu bildirebilir. Bu y\u00fczden i\u015fletim sistemleriniz ve uygulamalar\u0131n\u0131z i\u00e7in yaz\u0131l\u0131m g\u00fcncellemelerini her zaman kabul etmeyi unutmay\u0131n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Veri Yedeklemelerinizi G\u00fcncel Tutun<\/h3>\n\n\n\n<p>Fidye yaz\u0131l\u0131mlar\u0131 ve di\u011fer k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar sistemlerinizi etkileyerek verilerinize eri\u015fiminizi engelleyebilir. Sa\u011flam anti-BEC stratejileri uygulaman\u0131za ve e-postalar\u0131n\u0131z\u0131 titizlikle incelemenize ra\u011fmen, e-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131ndan etkilenebilirsiniz. T\u00fcm hassas verilerinizin yedeklemelerini g\u00fcncel tutmak, bu t\u00fcr olaylar\u0131n i\u015fleyi\u015finizi etkilememesini sa\u011flaman\u0131n en iyi yoludur.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c7ok Fakt\u00f6rl\u00fc Kimlik Do\u011frulama Kullan\u0131n<\/h3>\n\n\n\n<p>Uygun e-posta sahtekarl\u0131\u011f\u0131 \u00f6nleme ad\u0131mlar\u0131n\u0131 att\u0131ktan sonra bile verileriniz \u00fc\u00e7\u00fcnc\u00fc taraflarca s\u0131zd\u0131r\u0131labilir. Sony ve Gizmodo gibi \u015firketlerde b\u00fcy\u00fck s\u0131z\u0131nt\u0131larla bu t\u00fcr olaylar ya\u015fanm\u0131\u015ft\u0131r. Herhangi bir riskten ka\u00e7\u0131nmak i\u00e7in her \u015feye MFA uygulayarak hesaplar\u0131n\u0131z\u0131 g\u00fcvende tutun. Sosyal medya, e-posta ve banka uygulamalar\u0131, sizi doland\u0131r\u0131c\u0131l\u0131ktan koruyabilecek \u00e7ok fakt\u00f6rl\u00fc kimlik do\u011frulama se\u00e7ene\u011fine sahiptir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DMARC, E-posta Doland\u0131r\u0131c\u0131l\u0131\u011f\u0131n\u0131 \u00d6nlemenize Nas\u0131l Yard\u0131mc\u0131 Olur?<\/h2>\n\n\n\n<p>Bir kurum sahibi olarak, e-posta altyap\u0131n\u0131z i\u00e7in <a href=\"https:\/\/uzmanposta.com\/dmarc-sorgulama\/\">DMARC&#8217;\u0131<\/a> uygulayarak CEO doland\u0131r\u0131c\u0131l\u0131\u011f\u0131 ve di\u011fer doland\u0131r\u0131c\u0131l\u0131klar\u0131 \u00f6nleyebilirsiniz. DMARC olmadan, spam g\u00f6nderenler ve di\u011fer k\u00f6t\u00fc niyetli ki\u015filer, kurumunuzu taklit eden sahte e-postalar g\u00f6ndermek i\u00e7in alan ad\u0131n\u0131z\u0131 taklit edebilir.\u00a0<\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/spf-dkim-dmarc\/\">DMARC, SPF ve DKIM<\/a> ile birlikte \u00e7al\u0131\u015farak, e-postalar\u0131 alan sunuculara kurumunuzdan geldi\u011fini iddia eden mesajlarla ne yapmalar\u0131 gerekti\u011fini bildirir. Al\u0131c\u0131, her e-postay\u0131 DMARC politikan\u0131zla kar\u015f\u0131la\u015ft\u0131rarak do\u011frular ve t\u00fcm ESP&#8217;ler kimlik do\u011frulama protokollerine g\u00f6re i\u015flem yapar. B\u00f6ylelikle, k\u00f6t\u00fc niyetli ki\u015filerin alan ad\u0131n\u0131z\u0131 kullanarak hedeflenen ki\u015fileri doland\u0131rmas\u0131n\u0131 etkili bir \u015fekilde engelleyebilirsiniz.<\/p>\n\n\n\n<p>Sonu\u00e7 olarak e-posta sahtekarl\u0131\u011f\u0131, kimlik h\u0131rs\u0131zl\u0131\u011f\u0131, maddi kay\u0131p ve di\u011fer ciddi sonu\u00e7lara yol a\u00e7abilecek \u00f6nemli bir siber g\u00fcvenlik tehdididir. Bu doland\u0131r\u0131c\u0131l\u0131klar\u0131n nas\u0131l i\u015fledi\u011fini ve nas\u0131l \u00f6nlenebilece\u011fini anlayarak, bireyler ve kurumlar kendilerini ve hassas bilgilerini koruyabilir.<\/p>\n\n\n\n<p>E-posta sahtekarl\u0131\u011f\u0131n\u0131 \u00f6nlemek i\u00e7in teknoloji ve e\u011fitimin bir arada kullan\u0131lmas\u0131 gerekir. Doland\u0131r\u0131c\u0131l\u0131k ama\u00e7l\u0131 e-postalar\u0131 tespit etmek ve engellemek i\u00e7in g\u00fcvenlik ara\u00e7lar\u0131 kullanarak, doland\u0131r\u0131c\u0131l\u0131k ama\u00e7l\u0131 e-postalar\u0131n belirtilerini tan\u0131may\u0131 \u00f6\u011frenerek ve iyi \u00e7evrimi\u00e7i al\u0131\u015fkanl\u0131klar edinerek, hepimiz e-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131yla m\u00fccadeleye katk\u0131da bulunabiliriz.<\/p>\n\n\n\n<p>Siber g\u00fcvenlik tehditlerinin artmas\u0131yla birlikte, kurumlar\u0131n i\u015flerinin t\u00fcm alanlar\u0131n\u0131 korumalar\u0131 gerekmektedir. Bu, web sitelerini ve web uygulamalar\u0131n\u0131 botlardan, spam&#8217;den ve k\u00f6t\u00fcye kullan\u0131mdan korumay\u0131 da i\u00e7erir. \u00d6zellikle, oturum a\u00e7ma, kay\u0131t ve \u00e7evrimi\u00e7i formlar gibi web etkile\u015fimleri giderek daha fazla siber sald\u0131r\u0131ya u\u011framaktad\u0131r.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">En \u00c7ok Sorulan Sorular<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Sahte e-posta nedir?<\/h3>\n\n\n\n<p>Sahte e-posta, k\u00f6t\u00fc niyetle g\u00f6nderilen istenmeyen bir e-postad\u0131r. Bu t\u00fcr e-postalar\u0131n amac\u0131, al\u0131c\u0131lar\u0131 hassas bilgileri if\u015fa etmeye veya cihazlar\u0131na k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m indirmeye ikna etmektir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sahte bir e-postay\u0131 nas\u0131l tespit edebilirim?<\/h3>\n\n\n\n<p>Sahte e-postalar genellikle yaz\u0131m veya dilbilgisi hatalar\u0131, ki\u015fisel bilgilerin acil olarak talep edilmesi veya \u015f\u00fcpheli ba\u011flant\u0131lar i\u00e7erir. Bu y\u00fczden bilinmeyen g\u00f6nderenlerden gelen e-postalara veya genel selamlamalar i\u00e7eren e-postalara kar\u015f\u0131 dikkatli olun.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sahte bir e-posta al\u0131rsam ne yapmal\u0131y\u0131m?<\/h3>\n\n\n\n<p>E-postaya yan\u0131t vermeyin ve hi\u00e7bir ba\u011flant\u0131ya veya ek dosyaya t\u0131klamay\u0131n. Bunun yerine, e-postay\u0131 kurulu\u015funuzun BT departman\u0131na bildirin veya hemen silin.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sahte e-postalardan kendimi korumak i\u00e7in ne yapabilirim?<\/h3>\n\n\n\n<p>Sahte e-postalardan kendinizi korumak i\u00e7in antivir\u00fcs yaz\u0131l\u0131m\u0131 kullanmal\u0131, <a href=\"https:\/\/uzmanposta.com\/blog\/spam-filtresi-nedir-etkili-spam-filtreleme-nasil-olusturulur\/\">spam filtrelerini etkinle\u015ftirmeli<\/a> ve cihaz\u0131n\u0131z\u0131n i\u015fletim sistemini ve uygulamalar\u0131n\u0131 d\u00fczenli olarak g\u00fcncellemelisiniz. Ayr\u0131ca, bilinmeyen g\u00f6nderenlerden gelen veya \u015f\u00fcpheli konu sat\u0131rlar\u0131 i\u00e7eren e-postalar\u0131 a\u00e7arken dikkatli olun.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>E-posta, d\u00fcnya \u00e7ap\u0131ndaki \u00e7o\u011fu kurum i\u00e7in en \u00f6nemli ileti\u015fim arac\u0131d\u0131r. Say\u0131s\u0131z \u00e7evrimi\u00e7i ma\u011faza ve bir\u00e7ok kurum, g\u00fcnl\u00fck ileti\u015fimlerini e-posta yoluyla y\u00fcr\u00fctmektedir. Bu yo\u011fun kullan\u0131m da e-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131na kap\u0131 a\u00e7maktad\u0131r. Bu nedenle, e-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131yla nas\u0131l ba\u015fa \u00e7\u0131k\u0131laca\u011f\u0131n\u0131 \u00f6\u011frenmek her zamankinden daha \u00f6nemlidir. K\u00f6t\u00fc niyetli ki\u015filer e-postalar\u0131n \u00f6nemini bildikleri i\u00e7in dikkatli olmazsan\u0131z, kolayca gelen kutunuza girebilirler. Doland\u0131r\u0131c\u0131l\u0131k [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":7137,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87,86],"tags":[],"class_list":["post-7136","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-e-mail-e-posta","category-guvenlik"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>E-posta Sahtekarl\u0131\u011f\u0131 Nedir? Tan\u0131m ve \u00d6rnekler - Uzman Posta<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/uzmanposta.com\/blog\/e-posta-sahtekarligi-nedir-tanim-ve-ornekler\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"E-posta Sahtekarl\u0131\u011f\u0131 Nedir? Tan\u0131m ve \u00d6rnekler - Uzman Posta\" \/>\n<meta property=\"og:description\" content=\"E-posta, d\u00fcnya \u00e7ap\u0131ndaki \u00e7o\u011fu kurum i\u00e7in en \u00f6nemli ileti\u015fim arac\u0131d\u0131r. Say\u0131s\u0131z \u00e7evrimi\u00e7i ma\u011faza ve bir\u00e7ok kurum, g\u00fcnl\u00fck ileti\u015fimlerini e-posta yoluyla y\u00fcr\u00fctmektedir. Bu yo\u011fun kullan\u0131m da e-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131na kap\u0131 a\u00e7maktad\u0131r. Bu nedenle, e-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131yla nas\u0131l ba\u015fa \u00e7\u0131k\u0131laca\u011f\u0131n\u0131 \u00f6\u011frenmek her zamankinden daha \u00f6nemlidir. K\u00f6t\u00fc niyetli ki\u015filer e-postalar\u0131n \u00f6nemini bildikleri i\u00e7in dikkatli olmazsan\u0131z, kolayca gelen kutunuza girebilirler. Doland\u0131r\u0131c\u0131l\u0131k [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/uzmanposta.com\/blog\/e-posta-sahtekarligi-nedir-tanim-ve-ornekler\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/uzmanposta\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-23T10:21:31+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-23T10:21:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2026\/02\/e-posta-sahtekarligi-nedir-tanim-ve-ornekler.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Sibel Ho\u015f\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@uZmanPosta\" \/>\n<meta name=\"twitter:site\" content=\"@uZmanPosta\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sibel Ho\u015f\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"18 dakika\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"E-posta Sahtekarl\u0131\u011f\u0131 Nedir? Tan\u0131m ve \u00d6rnekler - Uzman Posta","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/uzmanposta.com\/blog\/e-posta-sahtekarligi-nedir-tanim-ve-ornekler\/","og_locale":"tr_TR","og_type":"article","og_title":"E-posta Sahtekarl\u0131\u011f\u0131 Nedir? Tan\u0131m ve \u00d6rnekler - Uzman Posta","og_description":"E-posta, d\u00fcnya \u00e7ap\u0131ndaki \u00e7o\u011fu kurum i\u00e7in en \u00f6nemli ileti\u015fim arac\u0131d\u0131r. Say\u0131s\u0131z \u00e7evrimi\u00e7i ma\u011faza ve bir\u00e7ok kurum, g\u00fcnl\u00fck ileti\u015fimlerini e-posta yoluyla y\u00fcr\u00fctmektedir. Bu yo\u011fun kullan\u0131m da e-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131na kap\u0131 a\u00e7maktad\u0131r. Bu nedenle, e-posta doland\u0131r\u0131c\u0131l\u0131\u011f\u0131yla nas\u0131l ba\u015fa \u00e7\u0131k\u0131laca\u011f\u0131n\u0131 \u00f6\u011frenmek her zamankinden daha \u00f6nemlidir. K\u00f6t\u00fc niyetli ki\u015filer e-postalar\u0131n \u00f6nemini bildikleri i\u00e7in dikkatli olmazsan\u0131z, kolayca gelen kutunuza girebilirler. Doland\u0131r\u0131c\u0131l\u0131k [&hellip;]","og_url":"https:\/\/uzmanposta.com\/blog\/e-posta-sahtekarligi-nedir-tanim-ve-ornekler\/","og_site_name":"Blog","article_publisher":"https:\/\/www.facebook.com\/uzmanposta\/","article_published_time":"2026-02-23T10:21:31+00:00","article_modified_time":"2026-02-23T10:21:35+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2026\/02\/e-posta-sahtekarligi-nedir-tanim-ve-ornekler.jpeg","type":"image\/jpeg"}],"author":"Sibel Ho\u015f","twitter_card":"summary_large_image","twitter_creator":"@uZmanPosta","twitter_site":"@uZmanPosta","twitter_misc":{"Yazan:":"Sibel Ho\u015f","Tahmini okuma s\u00fcresi":"18 dakika"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/uzmanposta.com\/blog\/e-posta-sahtekarligi-nedir-tanim-ve-ornekler\/#article","isPartOf":{"@id":"https:\/\/uzmanposta.com\/blog\/e-posta-sahtekarligi-nedir-tanim-ve-ornekler\/"},"author":{"name":"Sibel Ho\u015f","@id":"https:\/\/uzmanposta.com\/blog\/#\/schema\/person\/ac85212a35ebcaaf56c92a7e051813d6"},"headline":"E-posta Sahtekarl\u0131\u011f\u0131 Nedir? 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