Free Sophos tool blocks Windows attacks

The security firm Sophos released a tool on Monday that it claimed will block any attacks trying to exploit the critical unpatched vulnerability in Windows' shortcut files. The tool, dubbed "Sophos Windows Shortcut

Published on: July 28th, 2010 Gregg Keizer

Leave passwords alone, Siemens warns customers hit by Stuxnet worm

Although a newly discovered worm could allow criminals to break into Siemens' industrial automation systems using a default password, Siemens is telling customers to leave their passwords alone. That's because changing the password

Published on: July 21st, 2010 Robert McMillan

Massive malware campaign exploits PDF flaw

Several security companies today warned of a major malware campaign that tries to dupe users into opening rigged PDFs that exploit an unpatched design flaw in the PDF. format Users who open the

Published on: April 30th, 2010 Gregg Keizer

Another Panda-mic? Deadly Panda virus expected to strike again

A computer worm that China warned Internet users against is an updated version of the Panda Burning Incense virus, which infected millions of PCs in the country three years ago, according to McAfee.The

Published on: November 30th, 2009 Owen Fletcher

‘Sexy’ malware heralds arrival of mobile botnets

The first worm that spreads between mobile devices by spamming text messages has developed a new communications capability that one security vendor says signals the arrival of mobile botnets. Trend Micro has analyzed

Published on: July 17th, 2009 Jeremy Kirk

Critical IE bug could trigger Conficker scale attack

The critical bug that Microsoft confirmed Monday but has yet to patch is a prime candidate for another Conficker-scale attack, a security researcher said."It's better than [the vulnerability used by] Conficker," Roger Thompson,

Published on: July 9th, 2009 Gregg Keizer

Phishing attack cons Twitter users into divulging confidential details

Twitter users have been tricked into divulging their login and password details to a Web site that then spammed their contacts. Earlier this month hundreds duped by another series of Twitter phishing attacks.

Published on: May 29th, 2009 Jeremy Kirk

Conficker menace continues – Worm infecting 50,000 PCs a day

The Conficker worm is still infecting systems at a brisk rate and continues to snag computers in Fortune 1000 companies, according to security researchers.The worm is infecting about 50,000 new PCs each day,

Published on: May 22nd, 2009 Robert McMillan and Steven J. Vaughan-Nichols

Relentlessly stalk and shatter hacker groups, expert urges

Criminal cybergangs must be harried, hounded and hunted until they're driven out of business, a noted botnet researcher said today as he prepared to pitch a new anti-malware strategy later this week at

Published on: April 24th, 2009 Gregg Keizer

Worm created by bored teen still torments Twitter users

The malicious worm affecting Twitter over the weekend has now mutated and continues to invade the popular microblogging network. Although Twitter is taking action against the problem, security analysts fear that further mutations

Published on: April 16th, 2009 Daniel Ionescu and Joaquim P. Menezes

No major Conficker incident but the threat still lurks

An expected activation of the Conficker.c worm at midnight today passed without incident, despite sensationalized fears that the Internet itself might be affected, but security researchers said users aren't out of the woods

Published on: April 2nd, 2009 Summer Lemon

Conficker’s much dreaded mystery move no April Fool’s joke

Security researchers are in the dark about what will happen on April 1, when the newest variant of Conficker, 2009's biggest worm by a mile, begins trying to contact its controllers. "It's impossible

Published on: March 25th, 2009 Gregg Keizer

Worm infects 3.5 million Windows PCs

A computer worm that exploits a months-old Windows bug has infected more than a million PCs in the past 24 hours, a security company said Wednesday. Early last Wednesday, Finnish security firm F-Secure

Published on: January 20th, 2009 Gregg Keizer

Microsoft fixes bugs that could make “Swiss cheese” of business networks

Microsoft Corp. today patched three vulnerabilities in the company's Server Message Block (SMB) file-sharing protocol, including two that could make "Swiss cheese" out of enterprise networks, according to one researcher. "This is super

Published on: January 15th, 2009 Gregg Keizer