New versions of Chrome for Windows, Mac, Linux and Android patch a full sandbox escape vulnerability.
Vulnerabilities in Adobe's software could have allowed unauthorized remote code execution or remote read access.
Facebook locked some users out of their accounts after determining that their log-in credentials were exposed as a result of a security breach at Adobe.
The Flash Player plug-in has more restrictions, which should mean improved security under Safari on Mac OS X Mavericks.
The new updates to Adobe's Flash Player, Reader and Shockwave Player address vulnerabilities that could allow attackers to compromise computers.
The fingerprint sensor in Apple's new iPhone 5S has the potential to enhance the security of the device, but the devil will be in the details.
The U.S. National Security Agency reportedly cracked the encryption used by the video teleconferencing system at the United Nations headquarters in New York City.
The malware is digitally signed and is probably used in targeted attacks, researchers from F-Secure said.
Security researchers have identified multiple samples of the recently discovered "KitM" spyware for Mac OS X, including one dating back to December 2012 and targeting German-speaking users.
Previously unknown Mac OS X spyware, signed with a valid Apple Developer ID, has turned up on the laptop of an activist from Angola at a human rights conference in Norway.
Adobe has released scheduled security updates for its Reader, Acrobat, Flash Player and ColdFusion products on Tuesday in order to fix many critical vulnerabilities, including one that is already actively exploited by attackers.
Adobe has warned users of its ColdFusion application server platform of a critical vulnerability that could give unauthorized users access to sensitive files stored on their servers.
Most browser installations use outdated versions of the Java plug-in that are vulnerable to at least one of several exploits currently used in popular Web attack toolkits, according to statistics published by security vendor Websense.