Cybersecurity is the collected methods, technologies and processes to protect computer networks, devices, and information from damage, loss or unauthorized access.
Critical Infrastructure
Application Security
Network Security
Internet of Things Security
Cloud Security
Principles of Information Security (CIA Triad)
Confidentiality : Only authorized users should be able to access data
Integrity: Data should not be tampered with (modified) by unauthorized users
Availability: The network/systems should be operational and accessible to authorized users
AAA
It's a framework for controlling and monitoring users of a computer system (ie. a network)