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Cause remains uncertain, though one report says Sudanese government is behind blackout.

Subjects range from basic fraud to managing botnets and evading arrests, RSA says.

Security researchers from the U.S. and Europe released a paper showing how integrated circuits used in computers, military equipment and other critical systems can be maliciously compromised during the manufacturing process through virtually undetectable changes at the transistor level.

Properly implemented encryption very hard to beat, even by experts at U.S. spy agency, security experts say

For all the privacy concerns raised by Edward Snowden's leaks about government data collection activities, the U.S. is not alone or even always the most demanding when it comes to law enforcement requests for customer data from Internet service providers.

The New York Times blamed a prolonged website outage on Tuesday on a hacking attack at the company's Australia-based domain name registrar, Melbourne IT.

Organizations handling protected health information have until Sept. 23 to comply with new security and privacy requirements that were included as part of the Health Information Technology for Economic and Clinical Health (HITECH) Act of 2009.

Noted hacker Barnaby Jack, known for exposing vulnerabilities in ATM machines and medical devices, died in San Francisco Thursday, just days before he was scheduled to speak on deadly security shortcomings in medical implants at next week's Black Hat security conference.

Indictments filed against five persons charged a massive international hacking scheme indicate that SQL injection vulnerabilities continue to be a security Achilles heel for IT operations.

A federal court judge in New Jersey on Wednesday agreed to allow the U.S. Chamber of Commerce and several other organizations to seek the dismissal of a closely watched data breach lawsuit filed by the Federal Trade Commission against Wyndham Worldwide Corp.

Defcon founder Jeff Moss' request to government agencies asking them not to attend next month's annual Defcon hacker conference has evoked a mixed response from the security community.