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| T O P I C R E V I E W |
| Momodou |
Posted - 28 Apr 2014 : 18:31:07
U.S. advises avoiding Internet Explorer until bug fixed
BY JIM FINKLE
BOSTON Mon Apr 28, 2014 10:45am EDT
(Reuters) - The U.S. Department of Homeland Security advised computer users to consider using alternatives to Microsoft Corp's Internet Explorer browser until the company fixes a security flaw that hackers have used to launch attacks.
The bug is the first high-profile security flaw to emerge since Microsoft stopped providing security updates for Windows XP earlier this month. That means PCs running the 13-year old operating system could remain unprotected against hackers seeking to exploit the newly uncovered flaw, even after Microsoft figures out how to defend against it.
The United States Computer Emergency Readiness Team, a part of Homeland Security known as US-CERT, 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.
"We are currently unaware of a practical solution to this problem," Carnegie Mellon's Software Engineering Institute warned in a separate advisory, that US-CERT linked to in its warning.
Versions 6 to 11 of Internet Explorer dominate desktop browsing, accounting for 55 percent of the PC browser market, according to tech research firm NetMarketShare. Google Inc's Chrome and Mozilla's Firefox account for the majority of the rest of the traffic.
News of the vulnerability surfaced over the weekend as Microsoft said its programmers were rushing to fix the problem as quickly as possible. Cybersecurity software maker FireEye Inc warned that a sophisticated group of hackers have been exploiting the bug in a campaign dubbed "Operation Clandestine Fox."
FireEye, whose Mandiant division helps companies respond to cyber attacks, declined to name specific victims or identify the group of hackers, saying that an investigation into the matter is still active.
"It's a campaign of targeted attacks seemingly against U.S.-based firms, currently tied to defense and financial sectors," said FireEye spokesman Vitor De Souza on Sunday. "It's unclear what the motives of this attack group are, at this point. It appears to be broad-spectrum intel gathering."
In addition to possibly switching to an alternative web browser, US-CERT advised businesses to consider using a free Microsoft security tool known as EMET, or the Enhanced Mitigation Experience Toolkit, to thwart potential attacks. Security experts say EMET is helpful in staving off attacks, but businesses are sometimes reluctant to use it because it can cause systems to crash due to incompatibility with some software programs.
Source: Reuters |
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