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The US-CERT Current Activity web page is a regularly updated summary of the most frequent, high-impact types of security incidents currently being reported to the US-CERT.

Cisco Releases Security Advisory for Cisco Internet Streamer

Cisco has released a security advisory to address a vulnerability in the web server component of the Cisco Internet Streamer application, which is part of the Cisco Content Delivery System. This vulnerability may allow an attacker to cause a denial-of-service condition.

US-CERT encourages users and administrators to review Cisco security advisory cisco-sa-20110525-spcdn
and apply any necessary updates or workarounds to help mitigate the risks.

Apple Mac Defender, MacProtector, and MacSecurity Fake Anti-Virus Software

Apple has released a security advisory related to the recent Mac fake anti-virus software. The most common names for this fake anti-virus software are MacDefender, MacProtector, and MacSecurity. This fake anti-virus software is the result of a phishing scam targeting Mac users that redirects them from legitimate websites to fake websites. These fake websites notify the user that their computer is infected with a virus, and the user is tricked into installing the fake anti-virus software to solve the issue. The ultimate goal of the fake anti-virus software is to steal the user's credit card information.

US-CERT encourages users to perform the following preventative measures to help mitigate the risks:

Google Chrome Releases 11.0.696.71

Google has released Chrome 11.0.696.71 for Windows, Mac, Linux, and Chrome Frame to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code.

US-CERT encourages users and administrators to review the Google Chrome Releases blog entry and update to Chrome 11.0.696.71 to help mitigate the security risks.


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