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!!!