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 has released security advisories for four products to address multiple vulnerabilities. These products include Cisco Unified IP phones, Cisco Network Registrar, Cisco AnyConnect Secure Mobility Client, and Cisco Media Experience. Exploitation of the vulnerabilities may allow an attacker to execute arbitrary code, operate with escalated privileges, or gain administrative access.
US-CERT encourages users and administrators to review the following Cisco security advisories and apply any necessary updates to help mitigate the risks.
US-CERT is aware of public reports of a phishing attack that specifically targets US government and military officials' Gmail accounts. The attack arrives via an email sent from a spoofed address of an individual or agency known to the targeted user. The email contains a "view download" link that leads to a fake Gmail login page. The login information is then sent to an attacker. Google has indicated that this phishing campaign has been disrupted and that affected parties have been notified.
US-CERT encourages users and administrators to do the following to help mitigate the risks:
Apple has released Security Update 2011-003 for Mac OS X in response to the recent Mac fake anti-virus software. This update:
- adds a malware definition to the File Quarantine application
- causes the File Quarantine application to automatically update its malware definition list daily
- removes MacDefender fake anti-virus software if detected