We seldom get much insight into how long Apple takes to release an urgent update to macOS, but last week must have seen one of the quickest in recent times. By my reckoning, Apple’s engineers accomplished that in 6-10 days, across four of its operating systems, and with two distinct vulnerabilities.

Apple released its first update to its new behavioural security protection in XProtect Behaviour Service on 8 August, and again on 1 September. Here are the details.

Which extended attributes are attached to downloaded archives and apps? How do they fit in with provenance tracking?

Intended to be lightweight, timely and quick to install, the first RSR has now been provided for Ventura. Did you know you can also uninstall it easily?

Samples of four malicious software downloaded and run on macOS 13.1. Could it detect and block them effectively? Or do you need 3rd party protection?

macOS may alert you when you’re trying to open or run a file, with an alert informing you that malware was detected. But what about in scans?

Expected in Ventura 13.1 is a new lightweight system for applying security patches. This article explains how it uses cryptexes, already being used in macOS 13.

True or false? Apple supports macOS for three years. Apple’s security updates are sufficient. New versions of macOS are full of bugs. It’s safer to delay upgrading.

If you’re still running macOS Mojave or earlier, now is the time to take action to ensure your Mac maintains protection against malware.

MRT’s days appear numbered. On 14 March this year, Apple released its successor – a new version of XProtect, which now does the lot.