The glitzy, interactive abilities of Web 2.0 have led to a profusion of new applications, but the technology also is bringing a new era of security vulnerabilities, a security researcher warned Wednesday. "Security was a challenge to begin with, but...

Beating the "botnets"–armies of infected computers used to attack websites–requires borrowing tactics from the bad guys, say computer security researchers. A team at the University of Washington, US, wants to marshal swarms of good computers to neutralize...

Researchers have devised an encryption scheme that could simplify the protection of sensitive information by allowing banks, hospitals, and other organizations to lock files using keys that are based on specific attributes, such as an employee's position...

Quantum cryptography, a new technology until now considered 100 per cent secure against attacks on sensitive data traffic, has a flaw after all, Swedish researchers say. "In computer terms, we've found a bug," said Jan-Aake Larsson, an associate professor...

Microsoft Corp. today took credit for crushing the Storm botnet, saying that the malware search-and-destroy tool it distributes to Windows users disinfected so many bots that the hackers threw in the towel. "They realized they were in our gun sights...