A US financial industry group warned banks and other institutions to beware cyber attacks Wednesday, after some firms reported sporadic problems with their websites.
Air traffic control software used around the world could be exploited by hackers to unleash squadrons of ghost planes to befuddle those entrusted to keep the skies safe, a security researcher said Thursday.
A Russian national accused of cyber attacks on the online retail giant Amazon.com in 2008 has been arrested in Cyprus, US officials said Thursday.
Twitter said Monday in its first "transparency report" that the number of government requests for user information or to block content is rising in 2012.
Two British members of the hacking group LulzSec admitted Monday carrying out cyber attacks against the CIA and Rupert Murdoch's British newspaper group News International.
A suspected LulzSec hacker group ally arrested in Britain faces charges that he took part in cyber attacks on companies in the United States, court documents show.
The website of Britain's Serious Organised Crime Agency (SOCA) has been taken offline after an attack by hackers, the agency said on Thursday.
The five computer hackers charged in New York on Tuesday and a sixth who pleaded guilty are accused of involvement in some of the most notorious hacking incidents of the past 18 months.
People identifying themselves as activists in the Anonymous hacker movement said Wednesday it wasn't technical prowess but police infiltration that yielded 25 arrests in a sweep in Europe and South America.
The "Anonymous" hacking group on Tuesday claimed to have shut down the website of security firm Combined Systems, which it accused of providing the tear gas used in crackdowns on protests.