IT and Cyber security, how to defend yourself and your devices from cyber attacks

I have a Bachelor degree in Applied engineering of computer systems and digital systems, a long experience in management and maintenance of IT networks and assets. later, I've specialized in IT and cyber security, protecting my employer's network and systems from cyber attacks, keeping all assets safe from any attacks.
I can give you basic fundamentals of IT and cyber security to keep your assets safe and protected from todays cyber attacks.