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.
Microsoft has released updates to address vulnerabilities in Microsoft Windows and Microsoft Office as part of the Microsoft Security Bulletin Summary for May 2011. These vulnerabilities may allow an attacker to execute arbitrary code.
US-CERT encourages users and administrators to review the bulletin and follow best-practice security policies to determine which updates should be applied.
Apple released iOS 4.3.3 for the iPhone, iPod Touch, and iPad to address location tracking history capabilities. This update specifically addresses two bugs in iOS that resulted in the devices storing historical location data for too long.
US-CERT encourages users and administrators to review Apple article DL1358 and update to iOS 4.3.3.
Microsoft has issued a Security Bulletin Advance Notification indicating its May release will contain two bulletins. One of these bulletins will have the severity rating of critical and will be for Microsoft Windows. The remaining bulletin will have the severity rating of important and will be for Microsoft Office. Release of these bulletins is scheduled for Tuesday, May 10, 2011.
US-CERT will provide additional information as it becomes available.