{"id":30317,"date":"2022-05-21T07:48:04","date_gmt":"2022-05-21T04:48:04","guid":{"rendered":"https:\/\/kutaybilen.com.tr\/?p=30317"},"modified":"2022-05-21T07:48:04","modified_gmt":"2022-05-21T04:48:04","slug":"guclu-bir-sifre-nasil-olusturulur-bunun-yolu-nedir","status":"publish","type":"post","link":"https:\/\/kutaybilen.com.tr\/?p=30317","title":{"rendered":"G\u00fc\u00e7l\u00fc Bir \u015eifre Nas\u0131l Olu\u015fturulur? Bunun Yolu Nedir?"},"content":{"rendered":"<p>Ak\u0131ll\u0131 telefon, bilgisayar ve tablet \u00fczere eserlerden ayr\u0131lamaz hale geldi\u011fimiz \u015fu g\u00fcnlerde, <strong>siber g\u00fcvenli\u011fimiz <\/strong>kritik bir ehemmiyet arz eder oldu. Elbette bu durum, kullan\u0131c\u0131lar\u0131 g\u00fc\u00e7l\u00fc \u015fifreler \u00fcretmeye zorluyor. Lakin \u015fifrelerin tespiti, asl\u0131nda o kadar da g\u00fc\u00e7 bir \u015fey de\u011fil. Zira bu i\u015f i\u00e7in \u00fcretilmi\u015f bir bilgisayar, ge\u00e7ti\u011fimiz y\u0131l<strong> saniyede 100 milyar \u015fifre denemesi <\/strong>yaparak etkileyici bir rekorun alt\u0131na imza att\u0131.<\/p>\n<p>Saniyede 100 milyar \u015fifre denemesi, kula\u011fa hayli ilgi al\u0131ml\u0131 geliyor. Bir de bu cins bir bilgisayar\u0131n, <strong>bilgisayar korsanlar\u0131n\u0131n <\/strong>eline ge\u00e7ti\u011fini d\u00fc\u015f\u00fcn\u00fcn. \u0130\u015fte b\u00f6ylesi bir durumda, bilgisayar korsanlar\u0131n\u0131n ele ge\u00e7iremeyecekleri bir sistemin olmad\u0131\u011f\u0131n\u0131 s\u00f6ylemek yanl\u0131\u015f olmaz. Pekala bu t\u00fcrl\u00fc bir durum kelam konusuyken, <strong>internetteki g\u00fcvenli\u011fimizi <\/strong>nas\u0131l sa\u011flayabiliriz?<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.webtekno.com\/images\/editor\/default\/0002\/82\/891ab95e09a20a654f2c8898486526dc3cdf83be.jpeg\"\/><\/p>\n<p><b>Parola iddialar\u0131n\u0131n alt\u0131nda hayli kolay bir matematik yat\u0131yor<\/b><\/p>\n<p>Parolalar\u0131n\u0131z\u0131n g\u00fcvenli\u011fini sa\u011flayabilmeniz i\u00e7in, asl\u0131nda parola varsay\u0131mlar\u0131n\u0131n alt\u0131nda yatan <strong>matemati\u011fi <\/strong>anlaman\u0131z gerekiyor. Diyelim ki T\u00fcrk\u00e7e karakterler kullanmadan, yaln\u0131zca k\u00fc\u00e7\u00fck harflerin bulundu\u011fu\u00a0tek haneli bir parola olu\u015fturmaya \u00e7al\u0131\u015facaks\u0131n\u0131z. Bu durumda yaln\u0131zca 26 se\u00e7ene\u011finiz var. K\u00fc\u00e7\u00fck ya da b\u00fcy\u00fck harfleri kullanarak tek haneli bir \u015fifre olu\u015fturmak istedi\u011finizdeyse, elinizde yaln\u0131zca 52 farkl\u0131 parola alternatifi bulunuyor. Velhas\u0131l, olu\u015fturdu\u011funuz bir parola uzad\u0131k\u00e7a, parolan\u0131z\u0131n kestirim edilme ihtimali de <strong>azal\u0131yor<\/strong>.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.webtekno.com\/images\/editor\/default\/0002\/82\/247c37f3cacaf7ab26b9b4083c8df63b239238c8.jpeg\"\/><\/p>\n<p>Bilhassa de son y\u0131llarda, rastgele bir platform i\u00e7in parola olu\u015fturmak istedi\u011finiz vakit, b\u00fcy\u00fck ve k\u00fc\u00e7\u00fck harflere ek olarak <strong>say\u0131 ya da \u00f6zel simge<\/strong> istenmesinin sebebi de asl\u0131nda tam olarak bu. Platform kurucular\u0131, kullan\u0131c\u0131lar\u0131n\u0131n parolalar\u0131n\u0131n iddia edilebilirli\u011fini azaltabilmek i\u00e7in <strong>\u00e7e\u015fitlili\u011fi <\/strong>art\u0131r\u0131yorlar. Bu sayede bir kullan\u0131c\u0131n\u0131n parolas\u0131 hem uzar hem de \u00e7e\u015fitlenirken, o parolan\u0131n kestirim edilebilirlik oran\u0131 da d\u00fc\u015f\u00fcyor.<\/p>\n<p>Yani hakikaten uzun bir \u015fifre olu\u015fturmak isterseniz, <strong>en az 8 haneli <\/strong>bir parola olu\u015fturmal\u0131s\u0131n\u0131z. \u00dcstelik bu parolada k\u00fc\u00e7\u00fck ve b\u00fcy\u00fck harflerin, say\u0131lar\u0131n ve \u00f6zel simgelerin <strong>t\u00fcm\u00fcn\u00fcn kullan\u0131lmas\u0131<\/strong> k\u0131ymetli. Lakin a\u00e7\u0131k konu\u015fmak gerekirse, saniyede 100 milyar parola kestirimi yapabilen bir bilgisayar i\u00e7in bu cins bir \u015fifre bile \u00e7ar\u00e7abuk bulunabilir.<\/p>\n<p><b>2015 ila 2019 y\u0131llar\u0131 ortas\u0131nda en \u00e7ok kullan\u0131lan \u015fifreler \u015funlard\u0131<\/b><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.webtekno.com\/images\/editor\/default\/0002\/82\/9022d703c16af86b22d96c8e85bc075c0934afb0.jpeg\"\/><\/p>\n<p>Yap\u0131lan ara\u015ft\u0131rmalar, pek \u00e7ok kullan\u0131c\u0131n\u0131n siber g\u00fcvenli\u011fini o kadar da\u00a0<strong>\u00f6nemsemedi\u011fini <\/strong>ortaya koyuyor. Asl\u0131na bakacak olursak bunun nedeni, art\u0131k internette ula\u015ft\u0131\u011f\u0131m\u0131z \u00e7abucak her yerde \u015fifreli sistemlerin kullan\u0131l\u0131yor olmas\u0131. Hal bu t\u00fcrl\u00fc olunca da bir kullan\u0131c\u0131, \u015fifre karma\u015fas\u0131ndan kurtulabilmek i\u00e7in pek \u00e7ok internet mecras\u0131nda <strong>birebir \u015fifreyi <\/strong>kullan\u0131yor. Bu \u015fifreler, kolay hat\u0131rlanabilmesi i\u00e7in de \u00fcstte g\u00f6rd\u00fc\u011f\u00fcn\u00fcz \u00fczere olacak \u015fekilde\u00a0tercih ediliyor.<\/p>\n<p><b>G\u00fc\u00e7l\u00fc bir \u015fifre i\u00e7in ne yapmak gerekiyor?\u00a0<\/b><\/p>\n<p>\u015eayet sizi gaye alan bir bilgisayar korsan\u0131, \u00fcstte anlatt\u0131\u011f\u0131m\u0131z \u00fczere bir bilgisayar sistemine sahipse, bu bilgisayar korsan\u0131ndan ka\u00e7\u0131\u015f yolu pek de yok. Lakin son periyotlarda giderek yayg\u0131nla\u015fan <strong>parola y\u00f6netici sistemler <\/strong>olu\u015fturulmu\u015f durumda. Bu sistemler, g\u00fcvenilirlikleri a\u00e7\u0131s\u0131ndan her ne kadar tart\u0131\u015fmal\u0131 olsa da g\u00fc\u00e7l\u00fc \u015fifreler olu\u015fturman\u0131z\u0131 sa\u011flayabilir. Ayr\u0131yeten Google Chrome \u00fczere internet taray\u0131c\u0131lar\u0131 da her site i\u00e7in e\u015fsiz ve g\u00fc\u00e7l\u00fc \u015fifreler olu\u015fturup, bu \u015fifreleri tavsiye edebiliyor. \u0130\u015fte bu cins hizmetler, <strong>y\u00fczde 100 m\u00fcdafaa sa\u011flamasa da <\/strong>\u015fifrenizin g\u00fc\u00e7l\u00fcl\u00fc\u011f\u00fcn\u00fc art\u0131rabilir.\u00a0<\/p>\n<div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Ak\u0131ll\u0131 telefon, bilgisayar ve tablet \u00fczere eserlerden ayr\u0131lamaz hale geldi\u011fimiz \u015fu g\u00fcnlerde, siber g\u00fcvenli\u011fimiz kritik bir ehemmiyet arz eder &#8230;<\/p>\n","protected":false},"author":1,"featured_media":30318,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[854],"tags":[1595,4958,1126,1079,2769],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/30317"}],"collection":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=30317"}],"version-history":[{"count":1,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/30317\/revisions"}],"predecessor-version":[{"id":30319,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/30317\/revisions\/30319"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/media\/30318"}],"wp:attachment":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=30317"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=30317"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=30317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}