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Understanding How Your Computer Operates

National Cyber Alert System: The operating system is the most fundamental program that runs on your computer. It serves as the basis for how everything else works. What is an operating system? An operating system (OS) is the main program on a computer. It performs a variety of functions, including •determining what types of software [...]

Apple Safari Vulnerabilities

Apple has released Safari 4.0 for Windows and Mac OS X to address multiple vulnerabilities in CFNetwork, CoreGraphics, ImageIO, International Components for Unicode, libxml, Safari, Safari Windows Installer, and WebKit. These vulnerabilities may allow an attacker to execute arbitrary code, cause a denial-of-service condition, obtain sensitive information, bypass security restrictions, or conduct cross-site scripting attacks.

Alert: Apple iTunes

Apple Releases iTunes 8.2 and QuickTime 7.6.2 Apple has released iTunes 8.2 and QuickTime 7.6.2 to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code or cause a denial-of-service condition. US-CERT encourages users to review Apple articles HT3592 and HT3591 and apply any necessary updates to help mitigate the risks. Available [...]

Mac OS X and Java Alert

Mac OS X Includes Known Vulnerable Version of Java Current releases of Mac OS X (version 10.5.7 and version 10.4.11 with security update 2009-002) include a version of Java Runtime Environment (JRE) containing known security vulnerabilities. US-CERT is aware of publicly available exploit code for one of these vulnerabilities. This vulnerability may allow untrusted applets [...]

Apple QuickTime Updates for Multiple Vulnerabilities

National Cyber Alert System Technical Cyber Security Alert TA09-022A Apple QuickTime Updates for Multiple Vulnerabilities Original release date: January 22, 2009 Source: US-CERT Systems Affected Apple QuickTime 7.5 for Windows and Mac OS X Overview Apple has released QuickTime 7.6 to correct multiple vulnerabilities affecting QuickTime for Mac OS X and Windows. Attackers may be [...]