The leading micro-blogging site Twitter went down for several hours after a "malicious" cyber-attack on its systems, the company has said.

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Be cautious about sites that ask you to install a missing video plug-in...

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Subject boxes of spam email feature lines such as "Swine Flu Outbreak!" and "Madonna Catches Swine Flu!" in order to grab people's interest in a tactic referred to by hackers as "social engineering."

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On April 2 the giant domain name registrar Register.com suffered an hour or two's worth of DNS problems. Now its confirmed that all thier servers are down, including the www.register.com website itself. Employees of Register.com are still in denial. A DDoS attack may be to blame.

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Computer-virus infections don't cause your machine to crash anymore.

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An Ethiopian immigrant with a history of mental health problems is in custody after being accused of mailing a letter with HIV-tainted blood to Barack Obama when he was president-elect, according to court records

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Fans of Apple computers often boast about superior security. But as Macs have gained in popularity over the past few years, this has brought much more attention from hackers.

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A Spotsylvania man faces charges after striking a 2-year-old girl

50-year-old Richard Bundy of Spotsylvania County, VA is being held without bond on charges of threatening a police officer, felony child abuse, and malicious wounding after allegedly striking a 2-year-old girl.

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A worm program that has been tricking Facebook users into downloading malicious software since July has resurfaced.

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TEL AVIV, Israel (CNN) -- Keep your shoes and belts on: Waiting in long airport security lines to pass through metal detectors may soon be a thing of the past.

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This column describes how the subculture of wealthy speculators know as "Alphas" while 99%+ of the rest of us are "betas." The idea is betas invest in the markets and bear the 'downs' as well as enjoying the 'ups' in value, while "Alphas" using massive wealth, inside scoops, and …

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In the end, it was hackers at DefCon that got hacked. After three days of software cracking duels and hacking seminars, self-described computer ninjas at the infamous gathering in Las Vegas found out Sunday that their online activities were hijacked without them catching on.

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When hackers infiltrated Citibank ATMs at 7-Eleven stores, they revived the fear of everyone looking to get out a few bucks for a Slurpee - is using this machine safe?

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Talking to kids about racial stereotypes

A brief guideline in talking to kids about racial stereotypes would have to include how such stereotypes come about in the first place and what maintains them. Stereotypes are formed, and heavily dictated, by perception and prejudice, though are distinct from them.

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The BBC's technology programme Click has exposed a security flaw in the social networking site Facebook which could compromise privacy. There is not enough being done by Facebook, they've found, to stop the possibility of malicious applications stealing personal information.

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Here goes the myth that asp sites are more secure.

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Microsoft patches 3 serious holes (for Windows)

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The Juicy Campus site looks to have started on about October 22. The owner of the site is a Duke graduate named Matt Ivester. They say he was once president of a fraternity on campus. Some 22 pages of anonymous postings exist at the site.

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A new attack was launched last week, sending tens of thousands of spam messages across the web. This new attack appears finance related, with subject lines touting things like free credit reports.

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Review: "The Unending Cyber War" by Dr. Gideon Samid.

Gideon Samid has earned his PhD at the Technion – Israel Institute of Technology. His book, "The Unending Cyber War," explains how he pioneered and promoted the view that security is measured by the effort needed to compromise it.

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The "Dark Side" of the User Contributed Web

On Sunday morning (9-24-06), I would awake to the alarming news of a concerted online assault to thwart my ambitions in the Web 2.0 world. This story (click here for the blog version) marks the beginning of what will become a "domino effect" in the blogosphere and media.

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Cybercrooks are using e-cards that appear to come from a secret admirer in a scam to collect sensitive personal information, a security expert has warned.Data including credit card numbers, online banking credentials, and log-in names and passwords of thousands of individuals fro …

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Federal regulators said Thursday that 18 million computer users worldwide -- half of them in the United States -- were affected by malicious spyware allegedly distributed by parties that agreed the day before to a $2 million settlement.

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A study by the University of Maryland's A. James Clark School of Engineering found that chatroom participants with female usernames received 25 times more threatening and/or sexually explicit private messages than those with male or ambiguous usernames.

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Apple Computer on Tuesday clamped down on a number of vulnerabilities in its Mac OS X operating system that could pose as backdoors for hackers or malicious users.

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