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 ...

Keychain problems We are beginning to hear scattered reports of keychain corruption, generally simply resulting in an inability to access stored passwords. Kent Durvin writes: "I installed the Mac OS ...

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 ...

Has your Mac suddenly started asking you for account and Wi-Fi passwords it never used to require? Is your Mail app asking you to enter the password relentlessly ...

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 ...

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 ...

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 ...

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 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 ...

Sure, Safari is its own app, but new OS X versions tend to bring new versions of Safari, and Mavericks is no exception. Safari 7 offers a new sidebar, plug-in management, a redesigned Top Sites page, ...