A computer worm is a type of malware that, once it infects a machine, can automatically copy and extend itself to connected devices.

A computer virus is a type of malware that can replicate itself on your computer and spread to other devices.

The fast-moving Conficker computer worm, a scourge of the Internet that has infected at least 3 million PCs, is set to spring to life in a new way on Wednesday -- April Fools' Day. That's when many of ...

On the Internet's 40th anniversary, Symantec lists the worst cyber threats. Sept. 3, 2009 — -- This fall marks the 40th birthday of the Internet, and to celebrate it, Symantec, the manufacturer ...

“Asked to identify the types of security attacks they expect to be most troubled by in three years time, viruses and worms (20 percent) still topped the list, followed by spyware (14 percent), ...

The Federal Bureau of Investigations (FBI) and the Internet Crime Complaint Center (IC3), have received reports of recent spam e-mails spreading the Storm Worm malicious software, known as malware.

Concerns over the latest potentially high-profile Internet worm attack seem to have been allayed this week, as security vendors, their partners and customers seem better prepared than usual to deal ...

SEATTLE -- Investigators have arrested a juvenile in connection with the release of a variant of the "Blaster" computer worm, which crippled thousands of computers worldwide last month. It was the ...

Microsoft has fixed a critical flaw in the Windows operating system that could be used by criminals to create a self-copying computer worm attack. The software vendor released its first set of patches ...

Cyber attacks are becoming more common and targeted, according to study to be released today, and security experts warned that the trend is only going to increase. Tracking the security breaches of ...

SAN FRANCISCO - Despite the initial dire warnings about this week's "Goner" worm, the economic pain from the virus should turn out to be minimal, an expert said Thursday. When Goner first appeared on ...

Roundworms, also known as nematodes, are a leading cause of parasitic infection worldwide, causing painful swelling, severe abdominal pain and even blindness. Now, scientists say that viruses carried ...