An ongoing threat exists for computer users who, while browsing the Internet, began receiving pop-up security warnings that state their computers are infected with numerous viruses.

Contrary to popular belief, stealing someone's digital identity is a snap.

Fraudsters continue to hijack accounts on social networking sites and spread malicious software by using various techniques.

A phishing scam is circulating on Twitter that aims to steal users' log-in credentials and then forward scam messages to all their friends in the hope of tricking them too.

Instead of hacking into major online sites to embed malware, malicious hackers are going in through the front door by exploiting security holes in systems for delivering ads.

It's no secret that criminals are stealing credit card and bank account data and selling it underground. But most people would find it shocking to learn just how little their sensitive personal information costs.

Users are more at risk from malicious websites that steal credit cards than ever before, according to the latest IBM X-Force 2009 Mid-Year Trend and Risk report. Even legitimate sites may pose serious security risks.

The New York Times' Web site is grappling with problems created by an "unauthorized advertisement," but it is unknown how the ads managed to appear on the site and whether the site had been compromised.

Using social networking tools and sites seem to be in direct conflict with another important principle of using the Internet – protect your identity from identity theft.

Efforts to keep your identity safe may be undermined by government agencies.

An e-mail claiming to contain a link to "secret songs and photos" of Michael Jackson is one of the latest malware spam attacks to exploit the singer's death, says security firm Sophos.

More than 40,000 websites have fallen victim to a virus attack that is still growing, security experts have said.

The average PC user has a dozen unpatched applications installed.

Like many people, I'm worried about identity fraud. Not paranoid, just generally curious what the chances are that I could be victimized by things like mail theft.

Security experts have discovered two new attacks targeting Mac users, a new version of a worm and a Trojan hidden inside a porn site.

On the heels of Symantec's OnlineFamily.Norton, released earlier this year, security stalwart McAfee is jumping into the family protection game with a new home-oriented protection program.

You might have heard about online "phishing" scams designed to steal money from unsuspecting Web users, but now criminals are using another type of scam called "vishing" to commit the same crimes.

Phishers were having a field day with Facebook and Twitter on Thursday.

In a new report, McAfee has identified what popular search keywords are most likely to lead to malware. The answers may surprise you, and give you pause as you search for your favorite song lyrics on Google.

The attackers behind a series of rapidly spreading Web site compromises have begun using a new domain to deliver their malicious code, security experts say.

In what's just the latest Facebook phishing scam, hackers on Thursday broke into accounts and sent e-mails to friends urging them to log on to fake Facebook sites, according to new reports and anecdotes from members.