Despite two attempts, Apple appears to have failed to properly fix OS X against a serious security issue that could help hackers install malicious code.

Read more in my article on the Mac Security blog.

A security researcher has demonstrated a way to easily waltz past one of the key safeguards that Apple built into its OS X operating system to block unauthorised code, downloaded from the internet, from running.

Read more in my article on the Intego Mac Security blog.