{"id":39207,"date":"2025-05-23T10:40:12","date_gmt":"2025-05-23T07:40:12","guid":{"rendered":"https:\/\/goit.global\/?post_type=articles&#038;p=39207"},"modified":"2026-05-28T10:53:17","modified_gmt":"2026-05-28T07:53:17","slug":"siber-guvenlik-nedir-ve-neden-bu-kadar-onemlidir","status":"publish","type":"articles","link":"https:\/\/goit.global\/tr\/articles\/siber-guvenlik-nedir-ve-neden-bu-kadar-onemlidir\/","title":{"rendered":"Siber G\u00fcvenlik Nedir ve Neden Bu Kadar \u00d6nemlidir?"},"content":{"rendered":"<p>Bir sabah kahveni al\u0131p bilgisayar\u0131n\u0131n ba\u015f\u0131na ge\u00e7ti\u011finde, ekran\u0131nda \u015f\u00f6yle bir mesaj belirse:<br \/>\n&#8220;Dosyalar\u0131n \u015fifrelendi. 72 saat i\u00e7inde istedi\u011fimiz paray\u0131 \u00f6demezsen her \u015feyin silinecek.&#8221;<\/p>\n<p>Kula\u011fa film sahnesi gibi geliyor olabilir ama bu, bug\u00fcn her 39 saniyede bir <a href=\"https:\/\/bitdefender.com.tr\/threatmap\/\" target=\"_blank\" rel=\"noopener\">ger\u00e7ekle\u015fen <\/a>siber sald\u0131r\u0131lar\u0131n bir sonucu.<\/p>\n<p>Ve tam da bu y\u00fczden <a href=\"https:\/\/goit.global\/tr\/articles\/siber-guvenlik-uzmani-kimdir-ve-ne-is-yapar\/\">siber g\u00fcvenlik<\/a>, dijital \u00e7a\u011f\u0131n en kritik konular\u0131ndan biri!<\/p>\n<h2>Siber G\u00fcvenlik Nedir?<\/h2>\n<p>Siber g\u00fcvenlik; dijital sistemleri, a\u011flar\u0131, programlar\u0131 ve verileri k\u00f6t\u00fc ama\u00e7l\u0131 sald\u0131r\u0131lara kar\u015f\u0131 koruma s\u00fcrecidir \u00f6zetle. Ama bundan daha fazlas\u0131n\u0131 da bar\u0131nd\u0131r\u0131r:<\/p>\n<p>Bir \u015firketin itibar\u0131n\u0131n, bir bireyin kimli\u011finin ve hatta bir devletin g\u00fcvenli\u011finin dijital d\u00fczlemdeki teminat\u0131d\u0131r.<\/p>\n<p>Siber g\u00fcvenlik, \u015fu \u00fc\u00e7 temel prensibe dayan\u0131r:<\/p>\n<ul>\n<li aria-level=\"1\">Gizlilik (Confidentiality): Bilgiler sadece yetkili ki\u015filerce g\u00f6r\u00fclmeli.<\/li>\n<li aria-level=\"1\">B\u00fct\u00fcnl\u00fck (Integrity): Veriler izinsiz de\u011fi\u015ftirilmemeli.<\/li>\n<\/ul>\n<p>Eri\u015filebilirlik (Availability): Yetkili ki\u015filer ihtiya\u00e7 duydu\u011funda verilere ula\u015fabilmeli.<\/p>\n<h2>Siber G\u00fcvenlik Neden Bu Kadar \u00d6nemli?<\/h2>\n<h3>Veri En K\u0131ymetli Varl\u0131k<\/h3>\n<p>2023\u2019te veri ihlali maliyetlerinin ortalama 4.45 milyon dolara ula\u015ft\u0131\u011f\u0131 <a href=\"https:\/\/www.ibm.com\/reports\/data-breach\" target=\"_blank\" rel=\"noopener\">raporland\u0131.<\/a>\u00a0 Ve sadece b\u00fcy\u00fck \u015firketler de\u011fil, KOB\u0130\u2019ler de ciddi hedefler. \u00c7\u00fcnk\u00fc genellikle daha zay\u0131f korumaya sahipler.<\/p>\n<h3>Sald\u0131r\u0131lar Art\u0131k Daha Ak\u0131ll\u0131<\/h3>\n<p>Bug\u00fcn hackerlar sadece sistemleri de\u011fil, insan psikolojisini de hedef al\u0131yor. Phishing (oltalama) e-postalar\u0131, WhatsApp mesajlar\u0131, sahte web siteleriyle bireyler kand\u0131r\u0131l\u0131yor.<br \/>\nEn yayg\u0131n sald\u0131r\u0131lardan biri olan phishing&#8217;in d\u00fcnya \u00e7ap\u0131ndaki etkisi hakk\u0131nda <a href=\"https:\/\/www.ncsc.gov.uk\/collection\/phishing-scams\" target=\"_blank\" rel=\"noopener\">bu rapora<\/a> g\u00f6z atabilirsin.<\/p>\n<h3>\u0130tibar Her \u015eeydir<\/h3>\n<p>Bir veri ihlali \u015firketin sadece paras\u0131n\u0131 de\u011fil, m\u00fc\u015fterisinin g\u00fcvenini de kaybettirir.<br \/>\nFacebook\u2019un 2019\u2019daki veri s\u0131z\u0131nt\u0131s\u0131 sonras\u0131 kullan\u0131c\u0131 g\u00fcveni ciddi bi\u00e7imde sars\u0131lm\u0131\u015ft\u0131.<\/p>\n<h2>En Yayg\u0131n Siber Tehdit T\u00fcrleri<\/h2>\n<ul>\n<li aria-level=\"1\">Phishing: Ger\u00e7ek gibi g\u00f6r\u00fcnen e-postalarla kullan\u0131c\u0131y\u0131 kand\u0131rmak.<\/li>\n<li aria-level=\"1\">Ransomware: Verileri kilitleyip fidye talep etmek.<\/li>\n<li aria-level=\"1\">DDoS: A\u011fa a\u015f\u0131r\u0131 y\u00fck bindirerek hizmeti devre d\u0131\u015f\u0131 b\u0131rakmak.<\/li>\n<li aria-level=\"1\">Zero-day a\u00e7\u0131klar\u0131: Hen\u00fcz yamas\u0131 yay\u0131mlanmam\u0131\u015f yaz\u0131l\u0131m a\u00e7\u0131klar\u0131ndan faydalanmak.<\/li>\n<li aria-level=\"1\">\u0130\u00e7 tehditler: \u00c7al\u0131\u015fanlar\u0131n bilin\u00e7li ya da bilin\u00e7siz hatalar\u0131.<\/li>\n<\/ul>\n<h2>Siber G\u00fcvenlik Sadece Teknoloji De\u011fildir<\/h2>\n<p>Siber g\u00fcvenlik sadece g\u00fc\u00e7l\u00fc yaz\u0131l\u0131mlar de\u011fil, ayn\u0131 zamanda insan davran\u0131\u015f\u0131yla ilgilidir.<br \/>\nBir\u00e7ok sald\u0131r\u0131, \u201cmerakl\u0131 bir t\u0131klama\u201d ya da \u201caceleyle yaz\u0131lan bir \u015fifre\u201d ile ba\u015flar.<\/p>\n<p>Bu y\u00fczden e\u011fitim ve fark\u0131ndal\u0131k en az teknik \u00e7\u00f6z\u00fcmler kadar \u00f6nemlidir.<br \/>\nSiber g\u00fcvenli\u011fin %90&#8217;\u0131 insana, %10&#8217;u yaz\u0131l\u0131ma dayan\u0131r derler. Bu hi\u00e7 de abart\u0131 de\u011fil.<\/p>\n<h3>Kimler \u0130\u00e7in Kritik?<\/h3>\n<ul>\n<li aria-level=\"1\">Bireyler: Kredi kart\u0131, kimlik bilgileri, \u00f6zel belgeler\u2026<\/li>\n<li aria-level=\"1\">\u015eirketler: M\u00fc\u015fteri verileri, ticari s\u0131rlar, i\u00e7 yaz\u0131\u015fmalar\u2026<\/li>\n<li aria-level=\"1\">Kurumlar &amp; Devletler: Ulusal altyap\u0131lar, se\u00e7im sistemleri, kamu hizmetleri\u2026<\/li>\n<\/ul>\n<p>Hedef g\u00f6zetmeksizin yap\u0131lan siber sald\u0131r\u0131lar art\u0131k global \u00f6l\u00e7ekte krizler yaratabiliyor. \u00d6rne\u011fin 2017\u2019deki <a href=\"https:\/\/www.youtube.com\/watch?v=PKHH_gvJ_hA\" target=\"_blank\" rel=\"noopener\">WannaCry sald\u0131r\u0131s\u0131,<\/a> 150 \u00fclkede sa\u011fl\u0131k sistemlerini fel\u00e7 etmi\u015fti.<\/p>\n<h2>Siber G\u00fcvenlik Uzmanlar\u0131na Neden \u0130htiya\u00e7 Var?<\/h2>\n<p>Bug\u00fcn d\u00fcnya genelinde her y\u0131l <a href=\"https:\/\/www.tubisad.org.tr\/tr\/images\/pdf\/tubisad-bit-2023-tr.pdf\" target=\"_blank\" rel=\"noopener\">3 milyondan fazla <\/a>siber g\u00fcvenlik uzman\u0131 a\u00e7\u0131\u011f\u0131 oldu\u011fu tahmin ediliyor.<br \/>\nBu, alan de\u011fi\u015ftirmek ya da IT kariyerine ba\u015flamak isteyenler i\u00e7in e\u015fsiz bir f\u0131rsat.<\/p>\n<p>\u00dcstelik bu alanda kariyere ba\u015flamak i\u00e7in \u00fcniversite diplomas\u0131 \u015fart de\u011fil.<br \/>\nPratik odakl\u0131 bir e\u011fitimle, g\u00fc\u00e7l\u00fc bir portf\u00f6yle ve do\u011fru y\u00f6nlendirmeyle bu alanda ilerlemek m\u00fcmk\u00fcn.<\/p>\n<h2><a href=\"https:\/\/goit.global\/tr\/\">GoIT<\/a> ile Siber G\u00fcvenlik Kariyerine Ad\u0131m At!<\/h2>\n<p>Siber g\u00fcvenlik senin de ilgini \u00e7ekiyorsa ve \u201cBen de bu alanda \u00e7al\u0131\u015fabilir miyim?\u201d diye d\u00fc\u015f\u00fcn\u00fcyorsan, GoIT\u2019in <a href=\"https:\/\/cs-lp-tr.goit.global\/\">Siber G\u00fcvenlik Kursu <\/a>tam sana g\u00f6re.<\/p>\n<p>Bu kursla:<\/p>\n<p>\u2705 Ger\u00e7ek sald\u0131r\u0131 senaryolar\u0131 \u00fczerinde \u00e7al\u0131\u015facaks\u0131n<br \/>\n\u2705 S\u0131f\u0131rdan ba\u015flay\u0131p i\u015fe haz\u0131r bir seviyeye ula\u015facaks\u0131n<br \/>\n\u2705 CV, LinkedIn, m\u00fclakat deste\u011fi gibi kariyer odakl\u0131 mentorluk alacaks\u0131n<br \/>\n\u2705 Yeni ba\u015flayanlar i\u00e7in tasarlanm\u0131\u015f, ad\u0131m ad\u0131m ilerleyen bir yol haritas\u0131na sahip olacaks\u0131n<\/p>\n<p>Unutma: Gelece\u011fin en de\u011ferli becerilerinden biri, dijital d\u00fcnyay\u0131 koruyabilmek.<br \/>\nVe belki de o gelece\u011fi koruyacak ki\u015filerden biri sensin.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Siber g\u00fcvenlik; bir \u015firketin itibar\u0131n\u0131n, bir bireyin kimli\u011finin ve hatta bir devletin g\u00fcvenli\u011finin dijital d\u00fczlemdeki teminat\u0131d\u0131r.<\/p>\n","protected":false},"featured_media":39208,"menu_order":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false},"categories":[10523],"tags":[],"class_list":["post-39207","articles","type-articles","status-publish","has-post-thumbnail","hentry","category-siber-guvenlik"],"acf":[],"_links":{"self":[{"href":"https:\/\/goit.global\/tr\/wp-json\/wp\/v2\/articles\/39207","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/goit.global\/tr\/wp-json\/wp\/v2\/articles"}],"about":[{"href":"https:\/\/goit.global\/tr\/wp-json\/wp\/v2\/types\/articles"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/goit.global\/tr\/wp-json\/wp\/v2\/media\/39208"}],"wp:attachment":[{"href":"https:\/\/goit.global\/tr\/wp-json\/wp\/v2\/media?parent=39207"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/goit.global\/tr\/wp-json\/wp\/v2\/categories?post=39207"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/goit.global\/tr\/wp-json\/wp\/v2\/tags?post=39207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}