A new variant of the MyDoom worm, described variously as MyDoom.Q or MyDoom.O, was discovered on Tuesday that uses Yahoo's People Search to find new email addresses.
Search giant Google has catapulted itself to the top in the ranks of web hosts with the most malware, courtesy of its blogging website Blogger, according to security vendor Sophos.
Yahoo is using McAfee's SiteAdvisor to warn users of harmful Web sites appearing in its search results but a security researcher warns the technology has a repuation for giving false positives.
Microblogging service Twitter has started to be targeted by online criminals with malware.
Google has flagged the Web sites of 10 AFL clubs as potentially dangerous, preventing visitors from accessing the teams' sites via the search engine.
The death of actor Heath Ledger has prompted cybercriminals to trick unsuspecting fans into downloading malware via infected Web sites, security company Trend Micro has warned.
Drive-by downloads, in which malicious Web sites exploit browser vulnerabilities to execute malicious code, have increased since April 2007, warned Google researchers have warned.
Security vendor Trend Micro's UK and Japanese Web sites were hacked last week; attackers managed to inject malicious iFrames into their "virus encyclopaedia" pages.
Around 230 UK-based Web sites have been hit by a new form of malware that is being delivered dynamically, security vendor ScanSafe says.
Security researchers worked overtime in 2007, which turned out to be a nightmare for software vendors from day one.
New Zealand Police this week swooped on an alleged botnet operator in New Zealand, who the FBI claims had illegal control over one million computers.
Restricting your Web surfing to "trusted" sites is no longer enough to keep your machine safe from malicious software, according to security experts. Many of today's most popular sites draw on content produced by third parties such as advertisements, widgets or user-contributed content. This content can be used as vehicles for distributing malware without the knowledge of the site's owner.
If users thought the Mac-targeted trojan discovered last week was a one-off, they'll need to think again -- security firm F-Secure has discovered 32 variants of it, but claims about its powers have been wildly overstated, according to experts.
Google has warned Web users of the increasing threat posed by malware that can be dropped onto a computer as a Web surfer visits a particular site.
The IT security industry is failing to keep up with the smarts of criminals developing malware, according to IronPort Systems vice president of technology, Pat Peterson.
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