Dennis Fisher

Welcome to the summer of the Worm. Just eight days after Blaster began chewing its way through the Internet, another variant of the SoBig worm appeared last week, further burdening already-overworked IT and security staffs. As annoying and potentially dangerous as Blaster is, mass-mailing worms such as SoBig are perhaps worse from an enterprise perspective, […]

Symantec Corp. on Monday announced that the next version of its Norton AntiVirus product will include technology to protect against rogue applications such as keystroke loggers and spyware. Even as viruses like SoBig and others continue to rampage across the Internet and infect machines almost at will, emerging threats, including spyware, Trojans and others, are […]

Just when you thought it was safe to go back on the Internet, anti-virus experts are warning that PCs infected by the SoBig.F worm may on Friday become part of an as-yet unknown attack. Experts at both Sophos Inc. and F-Secure Corp. say that the worm is programmed to automatically connect to one of several […]

So far, SoBig. The virus that has been rampaging through corporate networks and bringing mail servers to their figurative knees all week is now officially the most prolific piece of malware ever, at least by one measure. MessageLabs Inc., an e-mail security company based in New York, said it saw more copies of SoBig.F in […]

Microsoft Corp. on Wednesday issued patches for two new critical flaws in Internet Explorer. The more dangerous of the two vulnerabilities results from IEs failure to properly check the object type that is returned from a Web server. It doesnt take much for an attacker to exploit this flaw; all thats needed is for a […]

Security researchers believe they have identified a new breed of Trojan horse that is infecting machines on the Internet, possibly in preparation for a larger coordinated attack. Experts have been unable to pin down many of the details of the programs behavior, however, and they are unsure how many machines might be compromised. The program […]

Welcome to the summer of the worm. Hard on the heels of the , yet another version of the resilient and ever-popular SoBig virus began spreading rapidly on the Internet Tuesday morning. Known as SoBig.F, the new variant behaves much like its older siblings, infecting Windows machines via e-mail and sending out dozens of copies […]

Zone Labs Inc. has acquired IMsecure Corp., a small developer of security software for instant messaging applications, and will integrate IMsecures Desktop product into its Integrity enterprise firewall. Zone Labs will also offer a stand-alone version of the IM product, called IMsecure Pro, for consumers, company officials said last week. The officials said the acquisition […]

A security researcher who recently identified vulnerabilities in Lotus Softwares Sametime instant messaging client said the company is being disingenuous about the extent of the flaws and whether theyre fixed in the latest version. The researcher, who goes by the name Mycelium, said that despite Lotus claims, the vulnerabilities in Sametimes encryption scheme have not […]

Security experts are now tracking a new variant of the Blaster worm, only this one attempts to patch vulnerable systems. Known as Blaster.D, the worm acts much like the original Blaster in that it infects machines that havent yet been patched against the RPC DCOM vulnerability in Microsoft Corp.s Windows 2000 and XP software. But, […]