{"id":11553,"date":"2013-12-30T17:35:36","date_gmt":"2013-12-30T15:35:36","guid":{"rendered":"http:\/\/atif.unaldi.org\/blog\/?p=9941"},"modified":"2013-12-30T17:35:36","modified_gmt":"2013-12-30T15:35:36","slug":"bitcoin-guvenli-mi-ve-nasil-korunmali","status":"publish","type":"post","link":"https:\/\/atif.unaldi.org\/blog\/2013\/12\/30\/bitcoin-guvenli-mi-ve-nasil-korunmali\/","title":{"rendered":"Bitcoin G\u00fcvenli mi ve Nas\u0131l Korunmal\u0131?"},"content":{"rendered":"

Dijital para birimi Bitcoin, bir\u00e7ok risk sermayed\u00e2r\u0131, t\u00fcccar ve siber g\u00fcvenlik profesyoneli taraf\u0131ndan \u00f6vg\u00fcye de\u011fer bulundu. \u0130nternet teknolojilerindeki b\u00fcy\u00fck yeniliklerden biri olarak an\u0131lan Bitcoin\u2019in geleneksel paralardan en b\u00fcy\u00fck farklar\u0131ysa;
\n\u00a7 Merkezi bir banka taraf\u0131ndan bas\u0131lmamas\u0131,
\n\u00a7 Bir h\u00fck\u00fcmet taraf\u0131ndan d\u00fczenlenmemesi ya da faturaland\u0131r\u0131lmamas\u0131,
\n\u00a7 \u0130\u015flemlerin yaln\u0131zca \u00e7evrimi\u00e7i ger\u00e7ekle\u015fmesi ve dijital imza ile korunmas\u0131,
\n\u00a7 Hesaplar\u0131n dondurulamamas\u0131
\n\u015feklinde kullan\u0131c\u0131lar\u0131n kar\u015f\u0131s\u0131na \u00e7\u0131kt\u0131.
\nBu ayr\u0131mlar Bitcoin\u2019in siber sald\u0131rganlar taraf\u0131ndan da hedef al\u0131nmas\u0131na sebep oldu. Zira d\u00fczenlenmeye tabi tutulmayan, merkezi olmayan ve sadece bilgisayar maharetiyle ortaya \u00e7\u0131kan Bitcoin, siber sald\u0131rganlar i\u00e7in yeni bir kap\u0131 aralad\u0131.
\n12 binden fazla PC etkilendi
\n\u015eimdiden 1 milyar dolar\u0131 ge\u00e7en pazar de\u011feriyle uluslararas\u0131 finans \u00e7evrelerinde ilgiyle takip edilen para birimi, \u00e7ok b\u00fcy\u00fck miktarlar\u0131 i\u00e7eren h\u0131rs\u0131zl\u0131klara da konu oldu. Sosyal m\u00fchendislik taktikleriyle Bitcoin sahiplerini kand\u0131ran sald\u0131rganlar, e-posta hesaplar\u0131na s\u0131zarak kullan\u0131c\u0131lar\u0131n \u015fifrelerinin s\u0131f\u0131rlanmas\u0131n\u0131 sa\u011flad\u0131. Bununla birlikte dijital c\u00fczdanlar\u0131 ele ge\u00e7iren sald\u0131rganlar, yakla\u015f\u0131k 4 bin 100 Bitcoin\u2019in, yani 1.2 milyon dolar\u0131n sahibi oldular. Benzer bir sald\u0131r\u0131da Hong Kong\u2019ta ger\u00e7ekle\u015firken bu kez \u00e7al\u0131nan mebla\u011f 5 milyon dolar\u0131 buldu. Bitcoin i\u015flemleri geri al\u0131namad\u0131\u011f\u0131 ve kullan\u0131c\u0131lar resmi olarak belgeleyemedikleri i\u00e7in \u00e7al\u0131nan paralar\u0131n ilk sahiplerine teslim edilme imkan\u0131 bulunmuyor.
\nBitcoin \u00fcretimi ger\u00e7ekle\u015ftirmek i\u00e7in \u00f6nemli miktarda i\u015flemci g\u00fcc\u00fcne ihtiya\u00e7 duyuluyor. Bu i\u015flemci g\u00fcc\u00fcn\u00fc elde etmek isteyen sald\u0131rganlar, hi\u00e7bir \u015feyden habersiz kullan\u0131c\u0131lar\u0131n sistemlerine s\u0131zarak Bitcoin k\u00f6leleri yarat\u0131yorlar. Bununla birlikte MtGox gibi pop\u00fcler Bitcoin sitelerinin yarat\u0131lan benzerleriyle kullan\u0131c\u0131lar\u0131n verileri ve sanal c\u00fczdanlar\u0131 \u00e7al\u0131n\u0131yor. Bitcoin tutulmas\u0131 i\u00e7in gereken dijital c\u00fczdanlar da bir\u00e7ok defa sald\u0131r\u0131lara konu oldu.
\nTrend Micro Smart Protection Network\u2019te yer alan verilere g\u00f6re, Bitcoin madencili\u011fiyle ilgili zararl\u0131 yaz\u0131l\u0131m 12 binden fazla ki\u015fisel bilgisayar\u0131 etkiledi. Bu sebeple kullan\u0131c\u0131lar\u0131n, Bitcoin madencili\u011fine yarad\u0131\u011f\u0131 s\u00f6ylenen yaz\u0131l\u0131mlar\u0131 indirmekten ka\u00e7\u0131nmas\u0131 gerekiyor.
\nKullan\u0131c\u0131lar ne yapmal\u0131?
\nDijital ya\u015fam g\u00fcvenli\u011finin d\u00fcnya lideri Trend Micro, Bitcoin sahibi olan ya da olmak isteyen kullan\u0131c\u0131lar\u0131n g\u00fcvende kalmalar\u0131 i\u00e7in \u015funlar\u0131 \u00f6neriyor:
\n\u00a7 G\u00fcnl\u00fck kullan\u0131m i\u00e7in k\u00fc\u00e7\u00fck miktarlarda Bitcoin\u2019i hesab\u0131n\u0131zda tutun ve geri kalan\u0131 daha g\u00fcvenli ortamlarda saklay\u0131n. Kullan\u0131c\u0131lar sanal paralar\u0131n\u0131 saklamak i\u00e7in \u00e7evrimd\u0131\u015f\u0131 c\u00fczdanlar yaratabilirler.
\n\u00a7 \u00c7evrimi\u00e7i hizmetleri dikkatle se\u00e7in. Bitcoin i\u015flemleri geri al\u0131namaz. Bu sebeple i\u015flemler s\u0131ras\u0131nda bilinen ve g\u00fcvenilir platformlar\u0131 tercih edin.
\n\u00a7 Bitcoin c\u00fczdan\u0131n\u0131z\u0131 d\u00fczenli aral\u0131klarla yedekleyin. Bilgisayardaki bir hataya ya da olas\u0131 bir cihaz \u00e7al\u0131nmas\u0131na kar\u015f\u0131l\u0131k bir kopya almak, daha sonra c\u00fczdan\u0131n yeniden kullan\u0131m\u0131na olanak tan\u0131r.
\n\u00a7 Bitcoin c\u00fczdan\u0131n\u0131z\u0131 \u015fifreleyin. \u015eifreleme, Bitcoin c\u00fczdan\u0131n\u0131za bir g\u00fcvenlik katman\u0131 daha sa\u011flar ve olas\u0131 h\u0131rs\u0131zl\u0131klara kar\u015f\u0131 \u00f6nlemleri art\u0131r\u0131r.
\n\u00a7 Bitcoin yaz\u0131l\u0131m\u0131n\u0131z\u0131 g\u00fcncelleyin. Teknik eksiklikler ya da g\u00fcvenlik a\u00e7\u0131klar\u0131n\u0131n giderilmesi i\u00e7in g\u00fcncellemelerin yap\u0131lmas\u0131 \u015fart.
\n\u00a7 E\u011fer m\u00fcmk\u00fcnse birden fazla imzalama se\u00e7ene\u011fi kullan\u0131n. Bu sayede bir \u015fifrenin if\u015fa olmas\u0131 durumunda bile g\u00fcvende kal\u0131n.
\n\u00a7 Bilgisayar\u0131n\u0131z\u0131 da g\u00fcvende tutun. Bitcoin hesab\u0131n\u0131 g\u00fcvende tutmak i\u00e7in mutlaka hesaba eri\u015filen bilgisayar\u0131n da g\u00fcvende olmas\u0131 gerekiyor. Bu sebeple bilgisayar\u0131n\u0131z\u0131 s\u00fcrekli g\u00fcncel tutarken, resmi sayfalardan indirme yapmaya ve zararl\u0131 yaz\u0131l\u0131m kar\u015f\u0131t\u0131 programlarla sisteminizi taramaya \u00f6zen g\u00f6sterin.
\nKay\u0131t d\u0131\u015f\u0131 bir ekonomik hareket yaratt\u0131\u011f\u0131 i\u00e7in yeralt\u0131 d\u00fcnyas\u0131n\u0131n kullanma e\u011filimi i\u00e7inde oldu\u011fu Bitcoin\u2019i art\u0131k resmi yoldan para kazanan t\u00fcccarlar ve s\u0131radan kullan\u0131c\u0131lar da kullan\u0131yor. Bir \u015fekilde Bitcoin\u2019in kullan\u0131m alanlar\u0131 daha g\u00fcvenilir ve yasal i\u015flemlerden olu\u015fsa da siber sald\u0131rganlar\u0131n Bitcoin sahiplerini pek rahat b\u0131rakmayaca\u011f\u0131 kesin.
\nTrend Micro Smart Protection Network ile kullan\u0131c\u0131lar, herhangi bir tehdit hen\u00fcz sistemlerine ula\u015fmadan g\u00fcvende kal\u0131yor. Siz de sisteminizin vir\u00fcs ya da casus yaz\u0131l\u0131m bar\u0131nd\u0131r\u0131p bar\u0131nd\u0131rmad\u0131\u011f\u0131n\u0131 \u00f6\u011frenmek i\u00e7in hemen Trend Micro\u2019nun \u00fccretsiz program\u0131yla http:\/\/housecall.trendmicro.com\/tr\/ adresinde test edin.<\/p>\n","protected":false},"excerpt":{"rendered":"

Dijital para birimi Bitcoin, bir\u00e7ok risk sermayed\u00e2r\u0131, t\u00fcccar ve siber g\u00fcvenlik profesyoneli taraf\u0131ndan \u00f6vg\u00fcye de\u011fer bulundu. \u0130nternet teknolojilerindeki b\u00fcy\u00fck yeniliklerden biri olarak an\u0131lan Bitcoin\u2019in geleneksel paralardan en b\u00fcy\u00fck farklar\u0131ysa; \u00a7 Merkezi bir banka taraf\u0131ndan bas\u0131lmamas\u0131,…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-11553","post","type-post","status-publish","format-standard","hentry","category-blogum"],"yoast_head":"\nBitcoin G\u00fcvenli mi ve Nas\u0131l Korunmal\u0131? - At\u0131f \u00dcnald\u0131<\/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:\/\/atif.unaldi.org\/blog\/2013\/12\/30\/bitcoin-guvenli-mi-ve-nasil-korunmali\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bitcoin G\u00fcvenli mi ve Nas\u0131l Korunmal\u0131? 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