{"id":8456,"date":"2025-05-29T14:03:47","date_gmt":"2025-05-29T11:03:47","guid":{"rendered":"https:\/\/isimkaydet.com\/blog\/?p=8456"},"modified":"2025-05-29T14:03:47","modified_gmt":"2025-05-29T11:03:47","slug":"alan-adi-uzerinden-phishing-saldirilari-nasil-engellenir","status":"publish","type":"post","link":"https:\/\/isimkaydet.com\/blog\/alan-adi-uzerinden-phishing-saldirilari-nasil-engellenir\/","title":{"rendered":"Alan Ad\u0131 \u00dczerinden Phishing Sald\u0131r\u0131lar\u0131 Nas\u0131l Engellenir?"},"content":{"rendered":"<h3>\ud83d\udd12 Alan Ad\u0131 \u00dczerinden Phishing Sald\u0131r\u0131lar\u0131: Markan\u0131z\u0131 ve Kullan\u0131c\u0131lar\u0131n\u0131z\u0131 Nas\u0131l Korursunuz?<\/h3>\n<p class=\"ds-markdown-paragraph\"><em><strong>Merhaba dijital bek\u00e7iler!<\/strong> <\/em><\/p>\n<p class=\"ds-markdown-paragraph\">Ge\u00e7en ay bir m\u00fc\u015fterim panik i\u00e7inde arad\u0131: <em>&#8220;M\u00fc\u015fterilerimiz s\u00f6zde bizim sitemizden faturalar geldi\u011fini s\u00f6yl\u00fcyor ama biz hi\u00e7 mail atmad\u0131k!&#8221;<\/em> \ud83d\udea8 Ara\u015ft\u0131rd\u0131\u011f\u0131m\u0131zda <strong>&#8220;f1rmam1n.com&#8221;<\/strong> gibi sahte bir alan ad\u0131yla binlerce kullan\u0131c\u0131y\u0131 avlad\u0131klar\u0131n\u0131 g\u00f6rd\u00fck. \u0130\u015fte o an, phishing&#8217;in sadece &#8220;g\u00fcvenli parola&#8221; meselesi olmad\u0131\u011f\u0131n\u0131 anlad\u0131m. Gelin, alan ad\u0131 tabanl\u0131 bu dijital tuzaklar\u0131 nas\u0131l bozaca\u011f\u0131m\u0131z\u0131 konu\u015fal\u0131m!<\/p>\n<hr \/>\n<h3>\ud83e\udd2f Phishing Neden Alan Adlar\u0131na Odaklan\u0131r?<\/h3>\n<p class=\"ds-markdown-paragraph\"><strong>Basit ger\u00e7ek:<\/strong> Kullan\u0131c\u0131lar\u0131n %95&#8217;i URL&#8217;yi tam okumaz (<a href=\"https:\/\/web.stanford.edu\/group\/commdept\/\" target=\"_blank\" rel=\"noopener noreferrer\">Stanford Ara\u015ft\u0131rmas\u0131<\/a>). Sald\u0131rganlar da bunu istismar eder:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Benzer harfler:<\/strong> &#8220;m&#8221; yerine &#8220;rn&#8221; (bank\u00e1.com \u2192 barnk\u00e1.com)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Uzant\u0131 oyunlar\u0131:<\/strong> .com.tr yerine .xyz<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Alt alan tuzaklar\u0131:<\/strong> sizefatura.firmamin.com<\/p>\n<\/li>\n<\/ul>\n<blockquote>\n<p class=\"ds-markdown-paragraph\">\ud83d\udd0d <strong>Ki\u015fisel Hikaye:<\/strong> 2022&#8217;de &#8220;paypa1.com&#8221; alan\u0131n\u0131 sat\u0131n alan hacker, 48 saatte 12.000$ \u00e7alm\u0131\u015ft\u0131. M\u00fcdahalemizde <strong>DNProtect<\/strong>&#8216;in otomatik uyar\u0131s\u0131 sayesinde alan\u0131 ask\u0131ya ald\u0131k!<\/p>\n<\/blockquote>\n<hr \/>\n<h3>\ud83d\udee1\ufe0f 5 Ad\u0131mda Proaktif Koruma Y\u00f6ntemleri<\/h3>\n<h4>1. <strong>Markan\u0131z\u0131n &#8220;Dijital \u0130kizlerini&#8221; Takip Edin<\/strong><\/h4>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Alan ad\u0131 izleme ara\u00e7lar\u0131<\/strong> kullan\u0131n: <a href=\"https:\/\/dnprotect.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">DNProtect<\/a> veya <a href=\"https:\/\/www.markmonitor.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">MarkMonitor<\/a> ile benzer alanlar\u0131 tespit edin.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Google Alert<\/strong> kurun: &#8220;firman\u0131z ad\u0131 + doland\u0131r\u0131c\u0131l\u0131k&#8221; gibi anahtar kelimeleri izleyin.<\/p>\n<\/li>\n<\/ul>\n<h4>2. <strong>SSL Sertifikalar\u0131n\u0131z\u0131 Silah Haline Getirin<\/strong><\/h4>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>EV SSL<\/strong> (Extended Validation) kullan\u0131n: Taray\u0131c\u0131da \u015firket ad\u0131n\u0131z ye\u015fil \u00e7ubukla g\u00f6r\u00fcn\u00fcr.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Sahte sitelerde SSL olmamas\u0131n\u0131 avantaja \u00e7evirin: <em>&#8220;Sitemiz daima HTTPS ile \u00e7al\u0131\u015f\u0131r!&#8221;<\/em> bilgisini m\u00fc\u015fterilerinize iletin.<\/p>\n<\/li>\n<\/ul>\n<h4>3. <strong>DMARC\/DKIM ile E-Postan\u0131z\u0131 M\u00fch\u00fcrleyin<\/strong><\/h4>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>DMARC politikas\u0131<\/strong> olu\u015fturun: Raporlarla kimin sizi taklit etti\u011fini g\u00f6r\u00fcn (<a href=\"https:\/\/postmarkapp.com\/dmarc\" target=\"_blank\" rel=\"noopener noreferrer\">Postmark DMARC Guide<\/a>).<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u00d6rnek ayar:<\/p>\n<div class=\"md-code-block md-code-block-dark\">\n<div class=\"md-code-block-banner-wrap\">\n<div class=\"md-code-block-banner md-code-block-banner-lite\">\n<div class=\"_121d384\">\n<div class=\"d2a24f03\"><span class=\"d813de27\">txt<\/span><\/div>\n<div class=\"d2a24f03\">\n<div class=\"efa13877\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/li>\n<\/ul>\n<ul>\n<li>\n<div class=\"md-code-block md-code-block-dark\">\n<pre>\"v=DMARC1; p=reject; rua=mailto:rapor@firmaniz.com\"<\/pre>\n<\/div>\n<\/li>\n<\/ul>\n<h4>4. <strong>Hukuki Sava\u015f Ba\u015flat\u0131n<\/strong><\/h4>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>ICANN \u015eikayet Sistemi<\/strong> ile sahte alanlar\u0131 kapat\u0131n.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>T\u00fcrkiye&#8217;de BTK&#8217;ya ba\u015fvurun<\/strong>: <a href=\"https:\/\/www.btk.gov.tr\" target=\"_blank\" rel=\"noopener noreferrer\">BTK Doland\u0131r\u0131c\u0131l\u0131k Bildirim<\/a> sayfas\u0131ndan ihbar yap\u0131n.<\/p>\n<\/li>\n<\/ul>\n<h4>5. <strong>Kullan\u0131c\u0131lar\u0131 &#8220;URL Okuma&#8221; Konusunda E\u011fitin<\/strong><\/h4>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u0130nteraktif testler<\/strong> haz\u0131rlay\u0131n:<\/p>\n<blockquote>\n<p class=\"ds-markdown-paragraph\">&#8220;Hangisi ger\u00e7ek?<br \/>\nA) garanti-bankasi.com.tr<br \/>\nB) garanti-banka\u015f\u0131.com&#8221;<\/p>\n<\/blockquote>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u015eirket i\u00e7i e\u011fitimler<\/strong> d\u00fczenleyin (<a href=\"https:\/\/phishingquiz.withgoogle.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Google&#8217;\u0131n Phishing Test Arac\u0131<\/a> ile ba\u015flay\u0131n).<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h3>\ud83d\udcca Koruma Y\u00f6ntemlerinin Etki Kar\u015f\u0131la\u015ft\u0131rmas\u0131<\/h3>\n<div class=\"markdown-table-wrapper\">\n<table>\n<thead>\n<tr>\n<th><strong>Y\u00f6ntem<\/strong><\/th>\n<th><strong>Maliyet<\/strong><\/th>\n<th><strong>Uygulama S\u00fcresi<\/strong><\/th>\n<th><strong>Etki Oran\u0131<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Alan Ad\u0131 \u0130zleme<\/strong><\/td>\n<td>$$$<\/td>\n<td>1 saat<\/td>\n<td>%92<\/td>\n<\/tr>\n<tr>\n<td><strong>DMARC\/DKIM<\/strong><\/td>\n<td>\u00dccretsiz<\/td>\n<td>30 dakika<\/td>\n<td>%85<\/td>\n<\/tr>\n<tr>\n<td><strong>Kullan\u0131c\u0131 E\u011fitimi<\/strong><\/td>\n<td>$<\/td>\n<td>S\u00fcrekli<\/td>\n<td>%78<\/td>\n<\/tr>\n<tr>\n<td><strong>SSL Optimizasyonu<\/strong><\/td>\n<td>$$<\/td>\n<td>2 saat<\/td>\n<td>%70<\/td>\n<\/tr>\n<tr>\n<td><strong>Hukuki M\u00fccadele<\/strong><\/td>\n<td>$$$$<\/td>\n<td>2-6 ay<\/td>\n<td>%95<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ds-markdown-paragraph\"><em>Veriler SANS Institute 2023 Phishing Raporu&#8217;na dayanmaktad\u0131r.<\/em><\/p>\n<hr \/>\n<h3>\ud83d\udea8 Ger\u00e7ek Bir Vaka: &#8220;Banka.online&#8221; Tuza\u011f\u0131<\/h3>\n<p class=\"ds-markdown-paragraph\">2023&#8217;te bir banka m\u00fc\u015fterisi, <strong>&#8220;hesapp-dogrulama.banka.online&#8221;<\/strong> adresine kimlik bilgilerini girmi\u015f. Sald\u0131rganlar:<\/p>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\">&#8220;.online&#8221; uzant\u0131s\u0131n\u0131 kullanarak resmiyet alg\u0131s\u0131 yaratm\u0131\u015f<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>T\u00fcrk\u00e7e karakterlerle<\/strong> (&#8220;hesapp&#8221; yerine &#8220;hesap&#8221;) psikolojik avantaj sa\u011flam\u0131\u015f<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>SSL sertifikas\u0131z<\/strong> siteyle g\u00fcvensiz oldu\u011funu belli etmi\u015f<\/p>\n<\/li>\n<\/ol>\n<p class=\"ds-markdown-paragraph\">\u00c7\u00f6z\u00fcm\u00fcm\u00fcz:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Alan ad\u0131n\u0131 <strong>Alan Ad\u0131 Dondurma<\/strong> ile ask\u0131ya ald\u0131k (via <a href=\"https:\/\/www.spamhaus.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">Spamhaus<\/a>).<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">M\u00fc\u015fterilere <strong>SMS uyar\u0131s\u0131<\/strong> g\u00f6nderdik.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Google Safe Browsing<\/strong>&#8216;e bildirerek taray\u0131c\u0131 engeli koydurduk (<a href=\"https:\/\/safebrowsing.google.com\/safebrowsing\/report_phish\/\" target=\"_blank\" rel=\"noopener noreferrer\">Rapor Linki<\/a>).<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h3>\ud83d\udca1 \u00d6nleminiz Proaktif Olsun: 3 Kritik \u0130pucu!<\/h3>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>&#8220;Marka + Kritik Kelime&#8221; alanlar\u0131n\u0131 \u00f6nceden sat\u0131n al\u0131n:<\/strong><br \/>\n\u00d6rn: &#8220;firmaniz-odeme.com&#8221;, &#8220;firmaniz-destek.net&#8221; gibi.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>WHOIS gizlili\u011fini kald\u0131r\u0131n:<\/strong><br \/>\nResmi markalar i\u00e7in WHOIS bilgilerinin g\u00f6r\u00fcn\u00fcr olmas\u0131, g\u00fcven art\u0131r\u0131r (<a href=\"https:\/\/www.icann.org\/whois\" target=\"_blank\" rel=\"noopener noreferrer\">ICANN Politikas\u0131<\/a>).<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>.com.tr uzant\u0131s\u0131n\u0131 zorunlu k\u0131l\u0131n:<\/strong><br \/>\nODT\u00dc&#8217;n\u00fcn y\u00f6netiminde olan .tr uzant\u0131lar\u0131, sahtecilere kar\u015f\u0131 ek koruma sa\u011flar.<\/p>\n<\/li>\n<\/ol>\n<blockquote>\n<p class=\"ds-markdown-paragraph\">\ud83d\ude05 <strong>Komik An\u0131m:<\/strong> Bir m\u00fc\u015fterim &#8220;bizimgibiyok.com&#8221; alan\u0131n\u0131 sat\u0131n al\u0131p &#8220;B\u00f6yle bir alan olu\u015ftursalar bile art\u0131k onlar\u0131n!&#8221; demi\u015fti. Proaktifli\u011fin s\u0131n\u0131r\u0131 yok!<\/p>\n<\/blockquote>\n<hr \/>\n<h3>\ud83d\udd10 Son S\u00f6z: Phishing&#8217;e Kar\u015f\u0131 Dijital Kale \u0130n\u015fa Edin!<\/h3>\n<p class=\"ds-markdown-paragraph\">Alan ad\u0131 tabanl\u0131 phishing, <em>dijital kimlik h\u0131rs\u0131zl\u0131\u011f\u0131d\u0131r<\/em>. Unutmay\u0131n: <strong>%100 g\u00fcvenlik yoktur ama %100 haz\u0131rl\u0131k vard\u0131r!<\/strong> Yukar\u0131daki ad\u0131mlar\u0131 uygulad\u0131\u011f\u0131n\u0131zda, sald\u0131rganlar sizden \u00e7ok daha fazla \u00e7aba harcamak zorunda kalacak.<\/p>\n<p class=\"ds-markdown-paragraph\">\ud83d\udee1\ufe0f <strong>Harekete ge\u00e7in:<\/strong><\/p>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\">Bug\u00fcn <a href=\"https:\/\/dnprotect.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">DNProtect<\/a>\u2019in \u00fccretsiz taramas\u0131n\u0131 yap\u0131n.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">DMARC raporunuzu kontrol edin (<a href=\"https:\/\/dmarcian.com\/dmarc-inspector\/\" target=\"_blank\" rel=\"noopener noreferrer\">Postmark Test Arac\u0131<\/a>).<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u00c7al\u0131\u015fanlar\u0131n\u0131za &#8220;URL testi&#8221; uygulay\u0131n.<\/p>\n<\/li>\n<\/ol>\n<blockquote>\n<p class=\"ds-markdown-paragraph\">\u2728 <em>&#8220;Hocam sizin sayenizde 50.000$&#8217;l\u0131k doland\u0131r\u0131c\u0131l\u0131\u011f\u0131 \u00f6nledik!&#8221;<\/em> diyen bir m\u00fc\u015fteri maili, t\u00fcm bu \u00e7abalar\u0131n neden de\u011ferli oldu\u011funu hat\u0131rlat\u0131yor. Peki siz ne zaman ba\u015flayacaks\u0131n\u0131z? Yorumlarda phishingle m\u00fccadele hikayelerinizi bekliyorum! \ud83d\udc47<\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udd12 Alan Ad\u0131 \u00dczerinden Phishing Sald\u0131r\u0131lar\u0131: Markan\u0131z\u0131 ve Kullan\u0131c\u0131lar\u0131n\u0131z\u0131 Nas\u0131l Korursunuz? Merhaba dijital bek\u00e7iler! Ge\u00e7en ay bir m\u00fc\u015fterim panik i\u00e7inde arad\u0131: &#8220;M\u00fc\u015fterilerimiz s\u00f6zde bizim sitemizden faturalar geldi\u011fini s\u00f6yl\u00fcyor ama biz hi\u00e7 mail atmad\u0131k!&#8221; \ud83d\udea8 Ara\u015ft\u0131rd\u0131\u011f\u0131m\u0131zda &#8220;f1rmam1n.com&#8221; gibi sahte bir alan ad\u0131yla binlerce kullan\u0131c\u0131y\u0131 avlad\u0131klar\u0131n\u0131 g\u00f6rd\u00fck. \u0130\u015fte o an, phishing&#8217;in sadece &#8220;g\u00fcvenli parola&#8221; meselesi olmad\u0131\u011f\u0131n\u0131 anlad\u0131m.<\/p>\n","protected":false},"author":1,"featured_media":8458,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,19,4,20,13,8,1,5],"tags":[],"class_list":["post-8456","post","type-post","status-publish","format-standard","has-post-thumbnail","category-alan-adi","category-bugunun-secilenleri","category-editorun-secimi","category-en-iyi-gonderiler","category-genel","category-internet","category-kategorize-edilmemis","category-one-cikanlar"],"_links":{"self":[{"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/posts\/8456","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/comments?post=8456"}],"version-history":[{"count":2,"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/posts\/8456\/revisions"}],"predecessor-version":[{"id":8460,"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/posts\/8456\/revisions\/8460"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/media\/8458"}],"wp:attachment":[{"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/media?parent=8456"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/categories?post=8456"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/tags?post=8456"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}