{"id":1104,"date":"2026-03-18T02:00:30","date_gmt":"2026-03-17T23:00:30","guid":{"rendered":"https:\/\/endova.com.tr\/blog\/tr\/2026\/03\/18\/web-sitenizi-hackerlardan-korumanin-yollari-guvenlik-duvari-ve-sizma-testleri\/"},"modified":"2026-03-18T02:00:30","modified_gmt":"2026-03-17T23:00:30","slug":"web-sitenizi-hackerlardan-korumanin-yollari-guvenlik-duvari-ve-sizma-testleri","status":"publish","type":"post","link":"https:\/\/endova.com.tr\/blog\/tr\/2026\/03\/18\/web-sitenizi-hackerlardan-korumanin-yollari-guvenlik-duvari-ve-sizma-testleri\/","title":{"rendered":"Web Sitenizi Hacker&#8217;lardan Koruman\u0131n Yollar\u0131 (G\u00fcvenlik Duvar\u0131 ve S\u0131zma Testleri)"},"content":{"rendered":"<p>G\u00fcn\u00fcm\u00fcz dijital \u00e7a\u011f\u0131nda, her i\u015fletmenin bir web sitesine sahip olmas\u0131 adeta bir zorunluluk haline geldi. Ancak, bu dijital varl\u0131\u011f\u0131n beraberinde getirdi\u011fi en b\u00fcy\u00fck sorumluluklardan biri de g\u00fcvenliktir. Siber sald\u0131r\u0131lar, veri h\u0131rs\u0131zl\u0131\u011f\u0131, itibar\u0131 zedeleme ve finansal kay\u0131plar gibi ciddi sonu\u00e7lara yol a\u00e7abilir. \u00d6zellikle e-ticaret siteleri, mobil uygulamalar ve kurumsal yaz\u0131l\u0131mlar geli\u015ftiren firmalar i\u00e7in bu riskler \u00e7ok daha b\u00fcy\u00fckt\u00fcr. \u0130\u015fte bu noktada, web sitenizi hacker&#8217;lardan koruman\u0131n en temel ve etkili yollar\u0131 olan g\u00fcvenlik duvarlar\u0131 (firewall) ve s\u0131zma testleri devreye giriyor. <a href=\"https:\/\/endova.com.tr\/\">Endova<\/a> gibi e-ticaret \u00e7\u00f6z\u00fcmleri, web ve mobil \u00e7\u00f6z\u00fcmler \u00fcreten bir yaz\u0131l\u0131m ajans\u0131 i\u00e7in m\u00fc\u015fterilerinin dijital varl\u0131klar\u0131n\u0131n g\u00fcvenli\u011fi en \u00fcst \u00f6nceliktir. \u00c7\u00fcnk\u00fc bir yaz\u0131l\u0131m ajans\u0131, sadece fonksiyonel de\u011fil, ayn\u0131 zamanda g\u00fcvenli \u00e7\u00f6z\u00fcmler sunmakla y\u00fck\u00fcml\u00fcd\u00fcr.<\/p>\n<h2>Web Sitesi G\u00fcvenli\u011fi Neden Bu Kadar \u00d6nemli?<\/h2>\n<p>Bir web sitesinin g\u00fcvenli\u011fi sadece teknik bir detaydan ibaret de\u011fildir; ayn\u0131 zamanda i\u015f s\u00fcreklili\u011fi, m\u00fc\u015fteri g\u00fcveni ve yasal uyumluluk a\u00e7\u0131s\u0131ndan kritik bir rol oynar. Bir siber sald\u0131r\u0131 durumunda:<\/p>\n<ul>\n<li><strong>Veri \u0130hlali:<\/strong> M\u00fc\u015fteri bilgileri, kredi kart\u0131 verileri veya hassas i\u015f verileri \u00e7al\u0131nabilir. Bu, KVKK ve GDPR gibi yasal d\u00fczenlemelere ayk\u0131r\u0131l\u0131k te\u015fkil eder ve ciddi cezalarla sonu\u00e7lanabilir.<\/li>\n<li><strong>\u0130tibar Kayb\u0131:<\/strong> G\u00fcvenli\u011fi ihlal edilmi\u015f bir site, m\u00fc\u015fteriler nezdinde g\u00fcvenilirli\u011fini yitirir. \u0130tibar\u0131 yeniden kazanmak ise uzun ve zorlu bir s\u00fcre\u00e7tir.<\/li>\n<li><strong>Finansal Kay\u0131plar:<\/strong> Sald\u0131r\u0131 sonras\u0131 sistemleri onarma, veri kurtarma ve potansiyel m\u00fc\u015fteri kayb\u0131, i\u015fletmeye ciddi finansal y\u00fckler getirebilir.<\/li>\n<li><strong>Hizmet Kesintisi:<\/strong> Hacklenen bir site, eri\u015filemez hale gelerek i\u015f s\u00fcre\u00e7lerini durdurabilir ve geliri kesintiye u\u011fratabilir.<\/li>\n<\/ul>\n<p>\u00d6zellikle <a href=\"https:\/\/endova.com.tr\/services\/shopify-plus-ecommerce\/\">Shopify Plus e-ticaret \u00e7\u00f6z\u00fcmleri<\/a> gibi platformlarda, binlerce m\u00fc\u015fterinin ki\u015fisel verisi ve \u00f6deme bilgileri bar\u0131nd\u0131r\u0131ld\u0131\u011f\u0131ndan, g\u00fcvenlik asla ihmal edilmemesi gereken bir unsurdur. <a href=\"https:\/\/endova.com.tr\/services\/software-development\/\">Yaz\u0131l\u0131m geli\u015ftirme<\/a> s\u00fcre\u00e7lerinin her a\u015famas\u0131nda g\u00fcvenlik katmanlar\u0131n\u0131n entegre edilmesi Endova&#8217;n\u0131n temel prensiplerindendir.<\/p>\n<h2>G\u00fcvenlik Duvar\u0131 (Firewall) Nedir ve Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/h2>\n<p>G\u00fcvenlik duvar\u0131, ad\u0131ndan da anla\u015f\u0131ld\u0131\u011f\u0131 gibi, web sitenizi potansiyel tehditlerden koruyan ilk savunma hatt\u0131n\u0131zd\u0131r. A\u011f trafi\u011fini izleyen, kontrol eden ve belirli g\u00fcvenlik kurallar\u0131na g\u00f6re filtreleyen bir sistemdir. Temel amac\u0131, yetkisiz eri\u015fimi engellemek ve k\u00f6t\u00fc niyetli trafi\u011fi durdurmakt\u0131r.<\/p>\n<p>G\u00fcvenlik duvarlar\u0131 farkl\u0131 t\u00fcrlerde olabilir:<\/p>\n<ul>\n<li><strong>Donan\u0131m G\u00fcvenlik Duvarlar\u0131:<\/strong> Genellikle a\u011f giri\u015f noktas\u0131nda bulunur ve t\u00fcm a\u011f trafi\u011fini korur. B\u00fcy\u00fck \u00f6l\u00e7ekli i\u015fletmeler i\u00e7in idealdir.<\/li>\n<li><strong>Yaz\u0131l\u0131m G\u00fcvenlik Duvarlar\u0131:<\/strong> Tek tek sunuculara veya cihazlara kurulur. Daha esnek ve \u00f6zelle\u015ftirilebilir bir koruma sa\u011flar.<\/li>\n<li><strong>Web Uygulamas\u0131 G\u00fcvenlik Duvarlar\u0131 (WAF):<\/strong> \u00d6zellikle web uygulamalar\u0131na y\u00f6nelik sald\u0131r\u0131lara (SQL enjeksiyonu, XSS gibi) kar\u015f\u0131 geli\u015ftirilmi\u015ftir. HTTP\/HTTPS trafi\u011fini analiz ederek uygulamay\u0131 korur.<\/li>\n<\/ul>\n<p>Bir g\u00fcvenlik duvar\u0131, \u00f6nceden tan\u0131mlanm\u0131\u015f kurallar setine g\u00f6re gelen ve giden t\u00fcm veri paketlerini inceler. \u00d6rne\u011fin, belirli IP adreslerinden gelen trafi\u011fi engelleyebilir, sadece belirli portlara eri\u015fime izin verebilir veya \u015f\u00fcpheli davran\u0131\u015flar\u0131 tespit ederek otomatik olarak engelleme yapabilir. Web sitenizin ve uygulamalar\u0131n\u0131z\u0131n g\u00fcvenli\u011fi i\u00e7in kritik \u00f6neme sahip olan hosting hizmeti de mutlaka g\u00fc\u00e7l\u00fc g\u00fcvenlik duvarlar\u0131yla desteklenmelidir. <a href=\"https:\/\/endova.com.tr\/services\/hosting\/\">Endova&#8217;n\u0131n sundu\u011fu hosting hizmetleri<\/a>, g\u00fcvenlik duvar\u0131 entegrasyonu ile sitenizin her zaman g\u00fcvende kalmas\u0131n\u0131 sa\u011flar.<\/p>\n<h2>S\u0131zma Testleri (Penetration Tests): Zay\u0131f Noktalar\u0131n\u0131z\u0131 Ke\u015ffedin<\/h2>\n<p>G\u00fcvenlik duvarlar\u0131 d\u0131\u015far\u0131dan gelen tehditlere kar\u015f\u0131 bir kalkan olu\u015ftururken, s\u0131zma testleri (pentest) ise sisteminizin mevcut zay\u0131f noktalar\u0131n\u0131 i\u00e7eriden veya d\u0131\u015far\u0131dan &#8220;etik hacker&#8221; bak\u0131\u015f a\u00e7\u0131s\u0131yla ortaya \u00e7\u0131karmay\u0131 hedefler. S\u0131zma testi, yetkili ve kontroll\u00fc bir siber sald\u0131r\u0131 sim\u00fclasyonudur. Amac\u0131, k\u00f6t\u00fc niyetli bir hacker&#8217;\u0131n sisteminize nas\u0131l s\u0131zabilece\u011fini, hangi verilere eri\u015febilece\u011fini ve ne t\u00fcr zararlar verebilece\u011fini \u00f6nceden tespit etmektir.<\/p>\n<p>S\u0131zma testlerinin temel a\u015famalar\u0131 \u015funlar\u0131 i\u00e7erir:<\/p>\n<ul>\n<li><strong>Ke\u015fif:<\/strong> Hedef sistem hakk\u0131nda bilgi toplama.<\/li>\n<li><strong>Tarama:<\/strong> Zay\u0131f noktalar\u0131 ve g\u00fcvenlik a\u00e7\u0131klar\u0131n\u0131 belirlemek i\u00e7in otomatik ara\u00e7lar kullanma.<\/li>\n<li><strong>Eri\u015fim Kazanma:<\/strong> Bulunan a\u00e7\u0131kl\u0131klar\u0131 kullanarak sisteme s\u0131zma giri\u015fimi.<\/li>\n<li><strong>Eri\u015fimi S\u00fcrd\u00fcrme:<\/strong> Sistemde kal\u0131c\u0131 bir eri\u015fim noktas\u0131 olu\u015fturma.<\/li>\n<li><strong>\u0130zleri Silme:<\/strong> Yap\u0131lan i\u015flemlerin kayd\u0131n\u0131 temizleme.<\/li>\n<li><strong>Raporlama:<\/strong> Bulunan t\u00fcm zafiyetleri, risk seviyelerini ve \u00f6nerilen \u00e7\u00f6z\u00fcm yollar\u0131n\u0131 i\u00e7eren detayl\u0131 bir rapor sunma.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/endova.com.tr\/services\/mobile-app-development\/\">Mobil uygulama geli\u015ftirme<\/a> veya karma\u015f\u0131k <a href=\"https:\/\/endova.com.tr\/services\/desktop-and-kiosk-applications\/\">masa\u00fcst\u00fc ve kiosk uygulamalar\u0131<\/a> gibi projelerde, s\u0131zma testleri kritik \u00f6neme sahiptir. Endova&#8217;n\u0131n geli\u015ftirdi\u011fi t\u00fcm \u00e7\u00f6z\u00fcmlerin g\u00fcvenli\u011fi i\u00e7in s\u0131zma testleri ve s\u00fcrekli g\u00fcvenlik denetimleri b\u00fcy\u00fck bir titizlikle y\u00fcr\u00fct\u00fcl\u00fcr. Ayr\u0131ca, Endova&#8217;n\u0131n g\u00fcvenlik odakl\u0131 \u00fcr\u00fcnleri aras\u0131nda yer alan <a href=\"https:\/\/endoguard.endova.com.tr\/\">Endoguard<\/a> gibi \u00e7\u00f6z\u00fcmler, bu t\u00fcr testlerden ilham alarak sistemlerinizi proaktif olarak korumay\u0131 hedefler.<\/p>\n<h2>Kapsaml\u0131 Web Sitesi G\u00fcvenli\u011fi \u0130\u00e7in Ek \u0130pu\u00e7lar\u0131<\/h2>\n<p>G\u00fcvenlik duvarlar\u0131 ve s\u0131zma testleri temel ta\u015flar olsa da, kapsaml\u0131 bir g\u00fcvenlik duru\u015fu i\u00e7in ek \u00f6nlemler almak \u015fartt\u0131r:<\/p>\n<ul>\n<li><strong>D\u00fczenli G\u00fcncellemeler:<\/strong> Kullan\u0131lan CMS (WordPress, Joomla vb.), eklentiler, temalar ve sunucu yaz\u0131l\u0131mlar\u0131 (PHP, Apache vb.) daima g\u00fcncel tutulmal\u0131d\u0131r. Eskimi\u015f yaz\u0131l\u0131mlar bilinen g\u00fcvenlik a\u00e7\u0131klar\u0131na davetiye \u00e7\u0131kar\u0131r.<\/li>\n<li><strong>G\u00fc\u00e7l\u00fc \u015eifreler ve \u0130ki Fakt\u00f6rl\u00fc Kimlik Do\u011frulama (2FA):<\/strong> T\u00fcm kullan\u0131c\u0131 hesaplar\u0131 i\u00e7in g\u00fc\u00e7l\u00fc, benzersiz \u015fifreler kullan\u0131lmal\u0131 ve m\u00fcmk\u00fcnse 2FA etkinle\u015ftirilmelidir.<\/li>\n<li><strong>SSL Sertifikas\u0131 (HTTPS):<\/strong> Web sitenizin bir SSL sertifikas\u0131 kullanarak HTTPS protokol\u00fcnde \u00e7al\u0131\u015ft\u0131\u011f\u0131ndan emin olun. Bu, kullan\u0131c\u0131 verilerinin \u015fifrelenerek iletilmesini sa\u011flar ve SEO a\u00e7\u0131s\u0131ndan da faydal\u0131d\u0131r.<\/li>\n<li><strong>D\u00fczenli Yedeklemeler:<\/strong> Bir sald\u0131r\u0131 veya veri kayb\u0131 durumunda h\u0131zl\u0131ca geri y\u00fcklenebilmek i\u00e7in web sitenizin ve veritaban\u0131n\u0131z\u0131n d\u00fczenli yedeklerini al\u0131n. <a href=\"https:\/\/endobackup.endova.com.tr\/\">EndoBackup<\/a> gibi \u00e7\u00f6z\u00fcmler, i\u015f kritik verilerinizin g\u00fcvenli\u011fini ve h\u0131zl\u0131 kurtar\u0131labilirli\u011fini garanti alt\u0131na al\u0131r.<\/li>\n<li><strong>Eri\u015fim Kontrol\u00fc:<\/strong> Kimin hangi verilere veya sistem \u00f6zelliklerine eri\u015febilece\u011fini s\u0131n\u0131rlay\u0131n. En az ayr\u0131cal\u0131k prensibi uygulanmal\u0131d\u0131r.<\/li>\n<li><strong>G\u00fcvenlik Bilinci E\u011fitimi:<\/strong> T\u00fcm \u00e7al\u0131\u015fanlar\u0131n siber g\u00fcvenlik tehditleri ve en iyi uygulamalar hakk\u0131nda bilgili olmas\u0131n\u0131 sa\u011flay\u0131n. Sosyal m\u00fchendislik sald\u0131r\u0131lar\u0131 genellikle en zay\u0131f halkay\u0131 hedefler.<\/li>\n<li><strong>SEO ve G\u00fcvenlik:<\/strong> Hatta <a href=\"https:\/\/endova.com.tr\/services\/professional-seo\/\">profesyonel SEO hizmetleri<\/a> ile sitenizin g\u00f6r\u00fcn\u00fcrl\u00fc\u011f\u00fcn\u00fc art\u0131rmak isteseniz bile, g\u00fcvenlik sorunlar\u0131 arama motoru s\u0131ralaman\u0131z\u0131 olumsuz etkileyebilir ve t\u00fcm \u00e7abalar\u0131n\u0131z\u0131 bo\u015fa \u00e7\u0131karabilir.<\/li>\n<\/ul>\n<p>Endova&#8217;n\u0131n <a href=\"https:\/\/entime.endova.com.tr\/\">EnTime<\/a>, <a href=\"https:\/\/endocrm.endova.com.tr\/\">EndoCRM<\/a>, <a href=\"https:\/\/endotur.endova.com.tr\/\">EndoTur<\/a> gibi kurumsal i\u015f s\u00fcre\u00e7lerinizi y\u00f6neten \u00fcr\u00fcnleri veya <a href=\"https:\/\/endomenu.endova.com.tr\/\">EndoMenu<\/a>, <a href=\"https:\/\/endocart.endova.com.tr\/\">EndoCart<\/a> gibi sekt\u00f6r spesifik \u00e7\u00f6z\u00fcmleri de kullan\u0131c\u0131 verilerini ve i\u015f s\u00fcre\u00e7lerini korumak i\u00e7in en y\u00fcksek g\u00fcvenlik standartlar\u0131yla geli\u015ftirilmi\u015ftir. <a href=\"https:\/\/endofit.endova.com.tr\/\">EndoFit<\/a>, <a href=\"https:\/\/endocase.endova.com.tr\/\">EndoCase<\/a>, <a href=\"https:\/\/endovox.endova.com.tr\/\">EndoVox<\/a>, <a href=\"https:\/\/endosuite.endova.com.tr\/\">EndoSuite<\/a>, <a href=\"https:\/\/endoforecast.endova.com.tr\/\">EndoForecast<\/a>, <a href=\"https:\/\/endowp.endova.com.tr\/\">EndoWP<\/a>, <a href=\"https:\/\/endomail.endova.com.tr\/\">EndoMail<\/a> ve <a href=\"https:\/\/endofilo.endova.com.tr\/\">EndoFilo<\/a> gibi di\u011fer \u00fcr\u00fcnler de bu g\u00fcvenlik yakla\u015f\u0131m\u0131n\u0131n birer yans\u0131mas\u0131d\u0131r.<\/p>\n<h2>Endova ile G\u00fcvenli Gelece\u011fe Ad\u0131m At\u0131n<\/h2>\n<p>Web sitenizin g\u00fcvenli\u011fi, dijital d\u00fcnyadaki ba\u015far\u0131n\u0131z i\u00e7in temel bir yat\u0131r\u0131m ve s\u00fcrekli bir \u00e7aba gerektiren bir aland\u0131r. G\u00fcvenlik duvarlar\u0131 ve s\u0131zma testleri, bu \u00e7aban\u0131n en kritik unsurlar\u0131d\u0131r. <a href=\"https:\/\/endova.com.tr\/\">Endova<\/a> olarak, m\u00fc\u015fterilerimize sadece i\u015flevsel ve estetik de\u011fil, ayn\u0131 zamanda en \u00fcst d\u00fczeyde g\u00fcvenli web ve mobil \u00e7\u00f6z\u00fcmler sunmay\u0131 hedefliyoruz. E-ticaret platformlar\u0131ndan \u00f6zel yaz\u0131l\u0131m geli\u015ftirmeye, hostingden mobil uygulama \u00e7\u00f6z\u00fcmlerine kadar geni\u015f bir yelpazede hizmet sunan Endova, dijital varl\u0131klar\u0131n\u0131z\u0131n g\u00fcvenli\u011fini sa\u011flamak i\u00e7in gerekli t\u00fcm bilgi birikimine ve teknolojik altyap\u0131ya sahiptir.<\/p>\n<h2>Sonu\u00e7<\/h2>\n<p>Siber tehditlerin s\u00fcrekli geli\u015fti\u011fi bir ortamda, web sitesi g\u00fcvenli\u011fi asla g\u00f6z ard\u0131 edilmemesi gereken bir konudur. G\u00fcvenlik duvarlar\u0131 ile d\u0131\u015f tehditlere kar\u015f\u0131 bir kalkan olu\u015fturmak ve s\u0131zma testleri ile sisteminizdeki zay\u0131f noktalar\u0131 proaktif olarak tespit etmek, dijital varl\u0131klar\u0131n\u0131z\u0131 koruman\u0131n olmazsa olmaz\u0131d\u0131r. Unutmay\u0131n, en iyi savunma, haz\u0131rl\u0131kl\u0131 olmakt\u0131r. \u0130\u015fletmenizin gelece\u011fini g\u00fcvence alt\u0131na almak i\u00e7in web sitesi g\u00fcvenli\u011fine yat\u0131r\u0131m yapmaktan \u00e7ekinmeyin.<\/p>\n<p>#Etiketler<br \/>\n#WebSitesiG\u00fcvenli\u011fi #SiberG\u00fcvenlik #G\u00fcvenlikDuvar\u0131 #Firewall #S\u0131zmaTesti #PenetrationTest #Endova #Yaz\u0131l\u0131mG\u00fcvenli\u011fi #ECommerceG\u00fcvenli\u011fi #VeriKoruma #KVKK #GDPR #WebsiteSecurity #HackerlardanKorunma #DijitalG\u00fcvenlik #WebGeli\u015ftirme #MobilUygulamaG\u00fcvenli\u011fi #SEO #HostingG\u00fcvenli\u011fi<\/p>\n","protected":false},"excerpt":{"rendered":"G\u00fcn\u00fcm\u00fcz dijital \u00e7a\u011f\u0131nda, her i\u015fletmenin bir web sitesine sahip olmas\u0131 adeta bir zorunluluk haline geldi. Ancak, bu dijital varl\u0131\u011f\u0131n beraberinde getirdi\u011fi en b\u00fcy\u00fck sorumluluklardan biri de g\u00fcvenliktir.","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"","csco_page_header_type":"","csco_page_load_nextpost":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-1104","post","type-post","status-publish","format-standard","category-genel","cs-entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.3 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Web Sitenizi Hacker&#039;lardan Koruman\u0131n Yollar\u0131 (G\u00fcvenlik Duvar\u0131 ve S\u0131zma Testleri) - Endova Blog | Kurumsal Yaz\u0131l\u0131m, E-Ticaret Mobil Uygulama<\/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:\/\/endova.com.tr\/blog\/tr\/2026\/03\/18\/web-sitenizi-hackerlardan-korumanin-yollari-guvenlik-duvari-ve-sizma-testleri\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Web Sitenizi Hacker&#039;lardan Koruman\u0131n Yollar\u0131 (G\u00fcvenlik Duvar\u0131 ve S\u0131zma Testleri)\" \/>\n<meta property=\"og:description\" content=\"G\u00fcn\u00fcm\u00fcz dijital \u00e7a\u011f\u0131nda, her i\u015fletmenin bir web sitesine sahip olmas\u0131 adeta bir zorunluluk haline geldi. 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