The U.S. Department of Defense said in a new report that some attacks appear 'directly attributable' to China.

Twist in the planned U.S. attack is to target small banks.

A flaw in Adobe Reader could allow an attacker to see when and where a PDF is opened.

The Japan-based exchange said attackers are seeking to manipulate bitcoin's price.

Not our servers, says antivirus vendor AhnLab.

RSA, the security division of EMC, today announced Security Analytics, its tool for real-time analysis of large amounts of data from security and business information to determine if an organization is being attacked, especially by stealthy threats intent on stealing sensitive information.

Uptick in attacks, bypasses of recommended workarounds will force Microsoft to fix flaw criminals already using to hijack Windows PCs.

Anonymous is planning to launch a cyberattack this weekend against the website of the International Telecommunications Union, a United Nations agency holding a meeting of 190 governments to discuss political and commercial control of the Internet, a security firm says.

The DNS records for the affected domain names were modified, suggesting a possible security breach at the .ro registry.

An Arizona man has admitted his involvement in a May 2011 computer attack against the website of Sony Pictures Entertainment that was carried out by the now-defunct LulzSec hacker group.

Developers were introducing 148 serious flaws on an average per website in 2011, according to WhiteHat Security.

Targeted emails contain malicious Iran-themed Word documents that exploit a known Flash Player vulnerability to install malware.

Over 90 percent of data breaches are caused by external attacks, according to a new Verizon report.

The threat from the hacktivist group is unlikely to be successful, said an expert.

In separate incident, hacker claims access to SCADA system at Houston utility.

The slowdown may have been the result of a half-hearted attack by Anonymous.

Microsoft on Tuesday blacklisted all DigiNotar certificates after seeing active attacks from at least one fraudulent digital certificate issued by DigiNotar. The company has released updates for all versions of Windows with the new blacklisted data.

Google has offered a premium to buy Motorola Mobility, to help ward off legal attacks against Android.

The breach of RSA, the security division of EMC, last spring in which sensitive information related to RSA SecurID tokens was stolen, can be traced back to an attack originating in China, a security researcher strongly believes based on a close look into malware associated with the RSA breach.

Fourteen arrested for PayPal attacks, two others for related' cybercrimes.