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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.

Apple Releases iOS 4.3.3

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 Releases Advance Notification for May Security Bulletin

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.

Osama Bin Laden's Death Email Scams, Fake Antivirus, and Phishing Attack Warning

Users should be aware of potential email scams, fake antivirus, and phishing attacks regarding Osama Bin Laden's death. Email scams may contain links or attachments that may direct users to malicious websites. Fake antivirus attacks may come in the form of pop-ups that flash security warnings and ask the user for credit card information. Phishing emails and websites requesting personal information commonly appear after this type of news.

US-CERT encourages users to take the following measures to protect themselves:

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