The Bitcoin Forum Data Breach (2015)

IDG News Service _ A popular Bitcoin discussion forum warned on Monday some user passwords may have been intercepted after the site's DNS (Domain Name System) registrar was breached. An attacker found a flaw in Bitcointalk.org's domain name registrar, a company based in Japan called Anonymous Speech, wrote an administrator for the forum who goes by the nickname "Theymos." Anonymous Speech could not immediately be reached for comment.