Comment by 2rsf

perplexity offered me those:

https://github.com/awslabs/git-secrets

https://www.infracloud.io/blogs/prevent-secret-leaks-in-repo...

https://www.reddit.com/r/git/comments/1h1r0ep/best_practices...

In addition GitGuardian cost something around $220/year per developer which is not too bad