- https://github.com/OWASP/CheatSheetSeries
- https://start.me/p/DPYPMz/the-ultimate-osint-collection
- https://github.com/harvard-itsecurity
- https://github.com/nao-sec
- https://github.com/sqreen/CTOSecurityChecklist
- https://github.com/sqreen/DevelopersSecurityBestPractices
- https://github.com/sqreen/DevOpsSecurityChecklist