{"id":1502,"date":"2024-08-06T21:24:05","date_gmt":"2024-08-06T18:24:05","guid":{"rendered":"https:\/\/yalovasondakika.com.tr\/?p=1502"},"modified":"2024-08-06T21:24:05","modified_gmt":"2024-08-06T18:24:05","slug":"bilinmeyen-vpn-kullanimi-tehlikeli-olabilir","status":"publish","type":"post","link":"https:\/\/yalovasondakika.com.tr\/index.php\/2024\/08\/06\/bilinmeyen-vpn-kullanimi-tehlikeli-olabilir\/","title":{"rendered":"Bilinmeyen VPN kullan\u0131m\u0131 tehlikeli olabilir"},"content":{"rendered":"<p><strong>Bilinmeyen VPN kullan\u0131m\u0131ndan ka\u00e7\u0131n\u0131lmas\u0131 gerekti\u011finin alt\u0131n\u0131 \u00e7izen Kalan, \u201cBir\u00e7ok \u00fccretsiz VPN arac\u0131, siber su\u00e7lular taraf\u0131ndan kullan\u0131c\u0131lar\u0131n verilerini \u00e7almak, verilerine veya makinelerine yetkisiz eri\u015fim sa\u011flamak i\u00e7in kullan\u0131labilecek k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar i\u00e7erebilir\u201d diyerek kullan\u0131c\u0131lar\u0131 uyard\u0131.<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p>Instagram\u2019a eri\u015fimin engellenmesiyle VPN (Virtual Private Network), g\u00fcndemimizdeki yerini ald\u0131. Instagram\u2019a eri\u015fmek isteyenler VPN kullanmaya y\u00f6neldi. Hayat\u0131m\u0131za h\u0131zla giren VPN soru i\u015faretlerine de neden oldu. VPN kullanmak g\u00fcvenli mi? VPN kullanman\u0131n zararlar\u0131 var m\u0131? Bu bir su\u00e7 mudur? gibi sorular ak\u0131llara tak\u0131ld\u0131. \u0130stinye \u00dcniversitesi (\u0130S\u00dc) M\u00fchendislik ve Do\u011fa Bilimleri Fak\u00fcltesi Dr. \u00d6\u011fr. \u00dcyesi Reza Kalan, VPN ile ilgili merak edilenleri yan\u0131tlad\u0131.\u00a0<\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>\u201cVPN g\u00fcvenli ileti\u015fim sa\u011flar\u201d<\/strong><\/p>\n<p>\u00a0<\/p>\n<p>VPN ile ilgili bilgi veren Dr. \u00d6\u011fr. \u00dcyesi Reza Kalan, VPN\u2019i, \u201cSanal \u00f6zel a\u011f anlam\u0131na gelen VPN (Virtual Private Network), kullan\u0131c\u0131lar\u0131n\u0131 verilerini \u015fifreleyerek ve IP adreslerini maskeleyerek korur. Bu koruma, g\u00fcvenlik duvar\u0131ndan ge\u00e7meyi i\u00e7erir. Bu, tarama etkinliklerini, kimliklerini ve konumlar\u0131n\u0131 gizleyerek daha fazla gizlilik ve \u00f6zerklik sa\u011flar. VPN \u015fifreleme mant\u0131\u011f\u0131 sayesinde g\u00fcvenli ileti\u015fim sa\u011flar\u201d diyerek a\u00e7\u0131klad\u0131.<\/p>\n<p>\u00a0<\/p>\n<p><strong>\u201c\u00dccretsiz VPN ara\u00e7lar\u0131 kullan\u0131c\u0131 g\u00fcvenli\u011fini tehlikeye atabilir\u201d<\/strong><\/p>\n<p>\u00a0\u201cTeknik olarak bir VPN bizi baz\u0131 vir\u00fcslerden ve k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlardan koruyabilir, ancak hepsini i\u00e7ermez. Ayr\u0131ca \u00fccretsiz VPN&#8217;ler sisteme veya verilere zarar verebilecek k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar i\u00e7erebilir\u201d diyen Kalan, VPN kullanman\u0131n riskleriyle ilgili \u015funlar\u0131 s\u00f6yledi:\u00a0<\/p>\n<p>\u201cVPN kullan\u0131m\u0131 \u00e7o\u011fu \u00fclkede yasald\u0131r ve VPN hizmeti sa\u011flayan ticari sekt\u00f6r de bulunmaktad\u0131r. Ancak \u00fccretsiz VPN ara\u00e7lar\u0131 kullan\u0131c\u0131 g\u00fcvenli\u011fini tehlikeye atabilir. Bir\u00e7ok \u00fccretsiz VPN arac\u0131, siber su\u00e7lular taraf\u0131ndan kullan\u0131c\u0131lar\u0131n verilerini \u00e7almak, verilerine veya makinelerine yetkisiz eri\u015fim sa\u011flamak i\u00e7in kullan\u0131labilecek k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar i\u00e7erebilir.\u201d<\/p>\n<p><strong>\u201cG\u00fcvenli bir VPN bizi yetkisiz eri\u015fime kar\u015f\u0131 koruyabilir\u201d<\/strong><\/p>\n<p>\u00a0<\/p>\n<p>VPN\u2019in s\u00fcrekli a\u00e7\u0131k kalmas\u0131n\u0131n sorun olup olmayaca\u011f\u0131yla ilgili de bilgi veren Kalan, \u201cG\u00fcvenli bir VPN bizi yetkisiz eri\u015fime kar\u015f\u0131 koruyabilir. Ancak soru \u015fu, VPN sa\u011flay\u0131c\u0131lar\u0131na nas\u0131l g\u00fcvenebiliriz? \u00a0Bu nedenle bilinmeyen VPN kullan\u0131m\u0131ndan ka\u00e7\u0131n\u0131lmas\u0131 ve gerekmedik\u00e7e VPN kullan\u0131lmamas\u0131 \u00f6nerilir\u201d diyerek VPN kullan\u0131m\u0131n\u0131n yasal boyutuyla ilgili de \u015funlar\u0131 s\u00f6yledi:<\/p>\n<p>\u00a0<\/p>\n<p>\u201cVPN&#8217;i yasal olarak kullanmakta ve ABD, Kanada ve Avrupa&#8217;y\u0131 i\u00e7eren \u00e7o\u011fu \u00fclke VPN hizmetini kullan\u0131r ve g\u00fcvenli VPN \u015firketleri da VPN serviseler veriyorlar\u00a0(masala, Nard VPN, Express VPN, ve IPvanish). \u0130ran gibi baz\u0131 \u00fclkelerde VPN kullanmak yasad\u0131\u015f\u0131 ve yasakt\u0131r, ama herkes VPN kullan\u0131yor.\u201d<\/p>\n<p>\u00a0<\/p>\n<p><strong>\u201cDNS ve VPN aras\u0131ndaki fark\u201d<\/strong><\/p>\n<p>\u00a0<\/p>\n<p>DNS ve VPN aras\u0131ndaki farka da de\u011finen Kalan, \u201cDNS \u015fifreleme algoritmas\u0131 i\u00e7ermez. Bu, verilerin d\u00fcz metin modunda aktar\u0131lmas\u0131 anlam\u0131na gelir. Ancak VPN verileri \u015fifreler ve a\u011f \u00fczerinden g\u00f6nderir. Bu nedenle herhangi bir filtreden ge\u00e7ebilir. \u00c7\u00fcnk\u00fc hi\u00e7 kimse uygulama ne t\u00fcr verilerinin iletildi\u011fini bilmez. Unutmayal\u0131m, kullan\u0131c\u0131lar\u0131n VPN kullanmas\u0131n\u0131 engellemek i\u00e7in ilk ad\u0131m pop\u00fcler VPN sitesini veya uygulamas\u0131n\u0131 filtrelemektir\u201d diyerek ikisi aras\u0131ndaki fark\u0131 a\u00e7\u0131klad\u0131.\u00a0<\/p>\n<p>\u00a0<\/p>\n<p><strong>\u201cDNS g\u00fcvenlik d\u00fc\u015f\u00fcn\u00fclerek tasarlanmam\u0131\u015ft\u0131r\u201d<\/strong><\/p>\n<p>\u00a0<\/p>\n<p>Kalan, internette dola\u015fan DNS adreslerinin g\u00fcvenilirli\u011fiyle ilgili ise \u015fu bilgileri verdi:\u00a0<\/p>\n<p>\u201cDNS g\u00fcvenlik d\u00fc\u015f\u00fcn\u00fclerek tasarlanmam\u0131\u015ft\u0131r. Google, OpenDNS ve Cloudflare gibi DNS servisleri \u00fccretsiz \u00e7\u00f6z\u00fcmler sunar ve sa\u011flay\u0131c\u0131lar genellikle kimlik av\u0131 korumas\u0131 ve belirli d\u00fczeyde i\u00e7erik filtreleme gibi temel g\u00fcvenlik \u00f6zelliklerini de i\u00e7erir. \u0130nternette yapt\u0131\u011f\u0131m\u0131z her i\u015flem nihayet servis sa\u011flay\u0131c\u0131 taraf\u0131ndan yakalanabiliyor ve her hizmetin bir maliyeti oldu\u011funu biliyoruz. \u015euna inan\u0131yorum: \u2018Bedava peynir ancak fare kapan\u0131nda bulunur.\u2019\u201d<\/p>\n<p>Kaynak: (BYZHA) Beyaz Haber Ajans\u0131<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Instagram\u2019a eri\u015fimin engellenmesiyle VPN kullan\u0131m\u0131 da yayg\u0131nla\u015ft\u0131. Bu kullan\u0131m pek \u00e7ok soruyu da beraberinde getirdi. \u0130stinye \u00dcniversitesi (\u0130S\u00dc) M\u00fchendislik ve Do\u011fa Bilimleri Fak\u00fcltesi Dr. \u00d6\u011fr. \u00dcyesi Reza Kalan, VPN kullan\u0131m\u0131n\u0131n riskleri ve yasal olup olmad\u0131\u011f\u0131yla ilgili merak edilenleri yan\u0131tlad\u0131.<\/p>\n","protected":false},"author":1,"featured_media":1503,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[745,476,747,746,397],"class_list":["post-1502","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknoloji","tag-dns","tag-guvenli","tag-kalan","tag-verilerin","tag-vpn"],"_links":{"self":[{"href":"https:\/\/yalovasondakika.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/1502"}],"collection":[{"href":"https:\/\/yalovasondakika.com.tr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yalovasondakika.com.tr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yalovasondakika.com.tr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yalovasondakika.com.tr\/index.php\/wp-json\/wp\/v2\/comments?post=1502"}],"version-history":[{"count":1,"href":"https:\/\/yalovasondakika.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/1502\/revisions"}],"predecessor-version":[{"id":1504,"href":"https:\/\/yalovasondakika.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/1502\/revisions\/1504"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yalovasondakika.com.tr\/index.php\/wp-json\/wp\/v2\/media\/1503"}],"wp:attachment":[{"href":"https:\/\/yalovasondakika.com.tr\/index.php\/wp-json\/wp\/v2\/media?parent=1502"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yalovasondakika.com.tr\/index.php\/wp-json\/wp\/v2\/categories?post=1502"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yalovasondakika.com.tr\/index.php\/wp-json\/wp\/v2\/tags?post=1502"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}