There are abundant courses available and with advent of massive online opene course platforms like Coursera, Edx, udemy there has been avalanche of opportunities. Certificate courses in Cybersecurity and Machine Learning is most in demand. Certificate in Blockchain Technology is secind best updated course. Malware analysis, Blockchain management, Cyberspace expertise, rootkitis, are some roles you might land up after such courses.

You can go through the below names -

Cyber Forensics
Desktop & Server Security
Network Security
Penetration Testing
Application Security
Malware Analysis
SonicWall Network Security
Cyberoam Network Security etc.

Hope this helps!!!