The United States faces a mounting danger from cyber attacks on its infrastructure while digital espionage threatens to undercut the military's technological edge, the intelligence chief said Tuesday.
Hackers attacked several top Czech news websites on Monday, overloading them with hundreds of thousands of requests per second to make them inaccessible, publishers said.
Hackers mainly based in the United States attacked two Chinese military websites including the Defence Ministry page an average of 144,000 times a month last year, the ministry said on Thursday.
China's defence ministry Wednesday rebuffed a report linking its People's Liberation Army to sophisticated cyberattacks on US firms, saying there was no internationally agreed definition of hacking.
For state-backed cyberspies such as a Chinese military unit implicated by a U.S. security firm in a computer crime wave, hacking foreign companies can produce high-value secrets ranging from details on oil fields to advanced ...
Apple on Tuesday said it suffered a cyber attack similar to the one recently carried out against Facebook, but that it repelled the invaders before its data was plundered.
Facebook said Friday its computer system was "targeted in a sophisticated attack" last month, but that it found no evidence any user data was compromised.
The Pentagon unveiled a new medal on Wednesday to honor "extraordinary" troops who launch cyber attacks or drone strikes from their consoles, even if they do not risk their lives in combat.
The Federal Reserve acknowledged Wednesday its computer systems were accessed by hackers but said the incident did not affect the central bank's "critical operations."
The US Department of Energy on Monday confirmed it was the target of a cyber attack in January, which stole employee and contractor data, but said no classified data was compromised.