Security is a cat-and-mouse game between those protecting systems, and those breaking them: passwords are no exception.
Cyber criminals recently targeted Yahoo, making it display millions of malware-laden ads, including bitcoin mining malware.
Indian authorities have carried out the first bitcoin raid in the country, targeting buysellbitco.in's offices in Ahmedabad.
Bitcoin poker site Seals with Clubs has confirmed that its database was compromised and 42,000 user passwords were stolen.
An enterprising fraudster who stole an Amazon Web Services account ran up a $3,420 bill mining litecoins.
Researcher Sarah Meiklejohn discusses whether Silk Road's users can be prosecuted and if illegal bitcoin transactions are truly 'anonymous'.
German police have detained two people suspected of hacking computer networks, mining over €700,000 in bitcoin.
Chinese authorities have detained three individuals in connection with the demise of bitcoin trading platform GBL.
A number of software applications that run on Windows are mining small amounts of bitcoin from people's computers.
BitcoinTalk was recently hacked, and the administrators have posted a note regarding the possibility of compromised passwords.
With Sheep Marketplace closed and thousands of bitcoins missing, online sleuths are tracking stolen coins through the block chain.
Digital currencies like bitcoin may need safeguards against fraud and guarantees against retail disputes to succeed long-term.
Payment processor and free online wallet service BIPS suffered a major attack that saw 1,295 BTC (over $1m) stolen.
Ross Ulbricht, the alleged owner of online black marketplace Silk Road, has been denied bail.
Bitcoin auction site Bitmit has been deactivated and is being sold to the highest bidder.