Microsoft to address critical vulnerability in Office Web Components

Microsoft will issue five critical security bulletins in its August Patch Tuesday release next week, including one that affects Microsoft Office, Microsoft Visual Studio, Microsoft ISA Server and Microsoft BizTalk Server, and another for both Windows and the Windows Client for Mac.

In its advance noticeissued Thursday, Microsoft said that the critical bulletin affecting Microsoft Office, Microsoft Visual Studio, Microsoft ISA Server and Microsoft BizTalk Server addresses a vulnerability in Microsoft Office Web Components, first raised in security advisory 973472. An attacker who successfully exploited this vulnerability could gain the same user rights as the local user. When using Internet Explorer, remote code execution is possible and may not require any user intervention.

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http://searchsecurity.techtarget.com/news/article/0,289142,sid14_gci1363924,00.html?track=sy160

Denial-of-Service Attack Strands Twitter Users

A distributed denial-of-service attack took Twitter offline for several hours, preventing millions of users from tweeting. Security experts said the Twitter attack came through botnets via Sweden and Europe. While usershad withdrawal pangs, businesses got pinched and experts said Twitter needs more protection from DDoS attacks.

Say it isn't so! The Twitter bird's beak was closed Thursday as Twitter fought a distributed denial-of-service attack that shut it down for several hours. 

With the mini-blogging site down from 9 a.m. Eastern time until noon, its millions of members were unable to tweet by Web and by mobile phone. A tweet test brought an error message that the "network request failed."

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http://www.enterprise-security-today.com/story.xhtml?story_id=012000EWBOGO