[yowid]

https://www.cybrary.it/

From their homepage:

"Our free online IT and Cyber Security training classes include everything from industry certifications such as Certified Ethical Hacker, CISSP and CCNA to advanced niche skill sets like advanced penetration testing and cloud administration. Our training includes instructional lectures, interactive lab demonstrations, exam study guides, white papers, case studies and more."

[runjake]

None of those mentioned certs involve advanced penetration testing, let alone basic penetration testing.