Privacy, Hacking and Virus Alerts

Microsoft Corp. issued an unusual weekend security warning Saturday that a worm has been unleashed on the Internet taking advantage of a security hole announced publicly last month (see story). Microsoft once again urged users…

"Browser hijacking" is as bad as it gets: Like the Blaster worm, this form of trickery can take over your software silently and invisibly.

A new worm called "Netsky.B" emerged on the Internet Wednesday, spreading by mimicking familiar e-mail addresses and enticing users to open file attachments containing malicious software, security experts said. Most computer security companies rated the…

"With some of these viruses that require user action, people have a responsibility to be careful and protect themselves."

But the incident nonetheless demonstrated that the world’s top Internet security experts still don’t know how to prevent such attacks.