NEWS BRIEFS.

The article presents information related to the computer service industry. The Bureau of land Management has again shut down its Web site because of concerns about the security of its IT systems. It is reported that Microsoft Corp. announced plans to extend its Live Communications Server 2005 instant messaging and collaboration software to mobile devices, via a Windows Mobile-based client that's due for beta-testing in the second half of the year. Adobe Systems Inc. said it plans to buy San Francisco-based Macromedia Inc. in a stock-swap deal that will give Adobe control of technologies such as Rash, Dreamweaver and ColdFusion. Analysts said the acquisition will position San Jose-based Adobe to compete against Microsoft Corp. in areas such as document management and the development of rich-media applications. Lucent Technologies Inc. said that its wireless and fixed-line network equipment units are being combined into a single group. The Mozilla Foundation has updated the Firefox Web browser in an effort to plug nine security holes, three of which were rated "critical."