Lucent and Alcatel in merger talksFaced with a challenging industry environment, telecommunication equipment makers Lucent and Alcatel are discussing a possible merger, according to a statement released by the two companies. Click here for the full story.Check Point, Sourcefire call off mergerCheck Point is no longer planning to acquire Sourcefire. Both companies have\u00a0opted to call off the merger that was announced last October. Click here for the full story.Microsoft warns of nasty IE bugMicrosoft is warning users of its Internet Explorer browser to use caution on the Web, after the disclosure of an unpatched bug that could allow attackers to seize control of a PC running the browser software. Click here for details.Laptop theft at Fidelity exposes data on HP workersFidelity Investments Thursday confirmed that a laptop containing confidential information on more than 196,000 current and former employees at HP and its acquisitions was recently stolen from the company. The theft may have exposed information including the names, social security numbers and compensation details for the workers. Click here for details.Q&A: Novell president vows to crank up its marketing, Linux strategyNetwork World Senior Editor Deni Connor caught up with Ron Hovsepian at the company's annual BrainShare user conference this week in Salt Lake City to discuss Novell's marketing plans, how it will compete against established Linux player Red Hat, and migrating NetWare users to Linux. Click here for more.Protegrity buys OmniSecure to enhance database security productsDatabase security vendor Protegrity has bought OmniSecure, a database security company that can add the ability to protect unstructured data to Protegrity's list of capabilities. Click here for more.Mark your gear invisiblyIf your stuff is stolen and recovered by the police, how will you know it's yours? Keith shows you a very tiny solution: DataDots.Weekend edition.This and more can be found on Networkworld.com's\u00a0For news updated throughout the day, go to Network World's NetFlash news page.