The Department of Homeland Security alert was prompted by an incident last October in which 11 companies in the energy sector were targeted in a sophisticated spear-phishing campaign apparently aimed at breaching their network security.
Australian police have charged an unidentified juvenile, who is suspected to be a member of the hacker group Anonymous, on a number of counts related to unauthorized access to computer data.
North Korea may be making some serious nuclear threats, but it's looking silly after a series of hacks by Anonymous lampoon its leader on official sites and feeds.
The largest bitcoin exchange said Thursday it is fighting an intense distributed denial-of-service attack it believes is intended at manipulating the price of virtual currency, which has seen volatile price swings in the past few days.
Recent massive cyberattacks that paralyzed computer networks at several South Korean banks and broadcasters, strongly suspected to have been launched by North Korean hackers, have prompted Washington and Seoul to come up with tough new countermeasures to stop Pyongyang from waging information warfare in the future.
DDoS attacks like the one that resulted from an altercation between a Dutch company and Spamhaus this week are on the rise, according to a statement from Kaspersky Labs.
A man in Wisconsin has been charged with participation in a distributed denial-of-service attack in February, 2011 against Koch Industries by hacker group Anonymous .
A piece of malicious software spotted by Trend Micro uses the note-taking service Evernote as a place to pick up new instructions.
The damages caused by a virtual attack would need to be as serious as those in a real world, or kinetic, attack.
Legal experts are stepping in to help hacker Andrew Auernheimer appeal his 41 month prison sentence for illegally accessing emails and other data belonging to about 120,000 iPad subscribers of AT&T's networks.