Whether you're a black or white hat or more simply just a grunt pushing stuff out; Pillager (or Gitleaks) is worth having on the sanity checklist

https://github.com/brittonhayes/pillager

https://terminaltrove.com/pillager/

    powerful rules functionality to recursively search directories for sensitive information in files. 

    At it's core, Pillager is designed to assist you in determining if a system is affected by common sources of credential leakage as documented by the MITRE ATT&CK framework.

Good for catching those Oops I deployed the company password list again SNAFU's.