WordPress Plug-in Anti-Malware Security and Brute-Force Firewall has an update with v 4.21.91
The plug-in got an update at Fri 27-01-2023. This version is tested 6.1.1.
At this moment it has 200000 installs at many WP websites.
The first vers was publised on Tue 27-03-2012, and it is downloaded 5316007 times.