- SANS
https://www.sans.org/cyber-security-courses/red-team-operations-adversary-emulation/
https://www.sans.org/cyber-security-courses/red-team-operations-developing-custom-tools-windows/
https://www.sans.org/cyber-security-courses/defeating-advanced-adversaries-kill-chain-defenses/
https://www.sans.org/cyber-security-courses/purple-team-tactics-adversary-emulation/
- Zero Point Security
https://training.zeropointsecurity.co.uk/courses/red-team-ops
https://training.zeropointsecurity.co.uk/courses/red-team-ops-ii
- EC-Council
https://www.eccouncil.org/programs/certified-ethical-hacker-ceh/
- Cyberwarfare
https://www.cyberwarfare.live/courses/certified-red-team-analyst
https://www.cyberwarfare.live/courses/certified-red-team-specialist
https://www.cyberwarfare.live/courses/certified-purple-team-analyst
- eLearnSecurity
https://elearnsecurity.com/product/ecpptv2-certification/
https://elearnsecurity.com/product/ecptx-certification/
https://elearnsecurity.com/product/ecthpv2-certification/
-Mile2
https://www.mile2.com/vulnerability-assessor-outline/
https://mile2.com/professional-ethical-hacker/
https://www.mile2.com/penetration-testing-engineer-outline/
https://www.mile2.com/cptc_outline/
- Offensive Security