Modern networks and systems are fully patched, hardened from attack, and armored to the hilt with expensive security gear - but the bad guys still get in on a daily basis! How do they do this? Why is there a news release every day of another Fortune 500 company hacked, more government secrets lost to the adversary?
The only course you need to learn Ethical Hacking. Hack computer systems like a black hat hacker & secure them like pro.