Jeremy Kirk

Sun Microsystems Inc. laid off workers in the U.S., Canada, Europe and Asia on Friday as part of belt tightening that is expected to claim up to 5,000 jobs at the beleaguered company.

Although Salesforce.com Inc.'s professional services business had higher revenue growth than the company overall, it would rather leave that market to others, according to the head of European operations.

Security vendor McAfee Inc. has detected a new piece of malicious software that masquerades as part of the Firefox Internet browser. McAfee calls the Trojan horse "FormSpy." Trojan horses are programs, often attached to spam e-mail, that appear innocuous but are harmful to a computer.

Microsoft Corp. has released a new beta version of Exchange Server 2007 and the beta for an accompanying antivirus product, Forefront Security for Exchange, it announced on Monday.

Skype Ltd. is dismissing a claim by a small team of Chinese engineers who say they have reverse engineered the protocol used for Skype Internet phone calls.

Computer researchers in Europe are developing a new prototype architecture for halting distributed denial-of-service (DDOS) attacks, where a barrage of traffic is directed at a Web site or server to shut it down.

The U.K. approved an extradition request this week to send a computer hacker to the United States, where he'll be tried for allegedly crippling military networks shortly after the terrorist attacks in September 2001.

Microsoft Corp. will appeal the steep fine levied Wednesday by the European Commission (EC) on grounds that the company has worked closely to deliver the requested technical documents in the right format, the company's chief legal counsel said.