BOSTON (Reuters) – The U.S. Department of Homeland Security advised computer users to consider using alternatives to Microsoft Corps Internet Explorer browser until the company fixes a security flaw that hackers have used to launch attacks. The United States Computer Emergence Readiness Team said in an advisory released on Monday morning that the vulnerability in versions 6 to 11 of Internet Explorer could lead to the complete compromise of an affected system. News of the vulnerability surfaced over the weekend. (Reporting by Jim Finkle. Editing by Richard Valdmanis)