For Beginners

https://www.hacksplaining.com/

CTFs

https://picoctf.com/

https://www.hackthebox.eu/

https://ctftime.org/

Career

https://www.wicys.org/

https://www.cybersecurityeducation.org/careers/

Cybersecurity at OSU

https://icdt.osu.edu 

OSU Courses in Security

CSE 4471: Information Security

CSE 5472: Information Security Projects

CSE 5473: Network Security

CSE 5351: Cryptography

CSE 5429: Hardware Security

INTSTDS 3702: Information Security Management

LING 3801: Codebreaking