"Apple delivered its latest batch of security updates for iOS and macOS this week.
On iDevices, the update was a full-on point release, bumping the iOS version from 11.3 to 11.3.1 and making it easy to check whether you’ve installed the update correctly: just go to
Software Update and see what version number you’re currently on.
For Mac users, the patch is dubbed simply Security Update 2018-001, so your macOS version stays at 10.13.4 after you’ve installed it."
Read the rest of the article at Naked Security by Sophos.