Symantec Corp. has issued a warning that hackers are exploiting a new, unpatched vulnerability in Microsoft Corp.'s Word software that could allow them to take control of a victim's computer. The attack comes via an infected e-mailed Word document. Security vendor Secunia ApS rated it as "extremely critical," its highest-level warning. Microsoft, however, said the attacks are "very limited."

Four lose jobs due to CA outsourcing

CA Inc. said that at least three or four CA workers will lose their jobs due to the company's decision to outsource human resources services to Brussels-based Arinso International NV. At the same time, CA confirmed that three top executives have left the company. Sam Greenblatt, senior vice president of innovation; Gary Starkey, senior vice president of CA's executive technology advisors division; and Toby Weiss, senior vice president of the security management unit, departed CA this month.

Microsoft blames Vista for profit dip

Microsoft, citing significant spending to prepare for the launch of the new Vista operating system, said that its second-quarter profits fell 28% while revenue increased 6%.