Full listings of each version of macOS and update installed on that Mac, now includes RSRs. A mine of information.
SystHist
Strongly recommended for all running macOS Catalina and later, these now work fully with XProtect Remediator, showing its current version, updates, etc.
Although intended primarily for anyone running Ventura or using an M2 Mac, they should be good for all users.
What’s normal for patterns of security data and macOS updates? How to recognise the pathological, which could reflect a security failure.
Some are reporting that recent MRT updates have been installed 15 times. If your Mac affected? Does it keep installing the same security data updates?
Before Catalina, each macOS update wrote a full transcript of all it installed to a BoM file, which you can inspect. That stopped, without any substitute.
LockRattler 4.31 and SystHist 1.15 prepare for the release of Monterey, and include minor fixes for earlier versions of macOS as well.
New version can display contents of all system updates for Catalina and Big Sur’s boot volume group, at last.
You can find out which EFI version your Mac is running, but how do you know whether that’s current, or old and vulnerable?
Text in the centre view listing updates and installations can now be set to 4 to 24 points in size.
The Eclectic Light Company 