Several users have noted problems with the Keychain after installing Mac OS X 10.4.3. One reader writes: "Installed the update on 3 computers. Repaired permissions before and after update. On all 3 ...

A new version of the long-running Genieo adware has brought with it a new technique for accessing the OS X Keychain without user intervention, a security gray area that could be used by other ...

Researchers from Indiana University and the Georgia Institute of Technology said that security holes in both iOS and OS X allow a malicious app to steal passwords from Apple’s Keychain, as well as ...

A new exploit discovered by researchers from Indiana, Georgia and Peking universities shows that the OS X Keychain, which stores all your passwords, is vulnerable to an attack that allows malicious ...

OS X El Capitan, Apple's next-generation Mac operating system, has already been rolled out. However, researchers say it is still exposed to serious security flaws in its Gatekeeper and Keychain ...

A team of six researchers from Indiana University, Georgia Tech and Peking University have published an in-depth report exposing a series of security vulnerabilities that enable sandboxed malicious ...

OS X El Capitan, launched earlier on Wednesday, still contains serious vulnerabilities in its Gatekeeper and Keychain features, according to security researchers. When scanning app bundles, Gatekeeper ...

Update: Late Friday afternoon, Apple officials released the following statement: “Earlier this week we implemented a server-side app security update that secures app data and blocks apps with sandbox ...

A new tool allows Mac OS X attackers with root OS access to easily steal the keychain password data of logged in users and reinforces the dangers of granting administrative privileges to applications ...