Read the @cpansec@fosstodon.org 2024 retrospective; We did quite a few things last year, and more is happening going forward.
https://security.metacpan.org/cpansec/update/2025/03/12/CPANSec-Retrospective-2024.html
If you find this useful or inspiring, then consider contributing. Let's make #CPAN and #Perl secure together!