The system must know who you are (ID) and you must prove it (via passwords, tokens, or biometrics).
Information Systems Security is a moving target. As AI and quantum computing evolve, the tools will change, but the fundamentals—protecting the Confidentiality, Integrity, and Availability of our digital lives—remain the same. In the digital age, security is not a destination; it is a continuous state of vigilance. Fundamentals of information systems security
Encryption—the final line of defense that renders data unreadable even if it is stolen. 4. The Logic of Access Control The system must know who you are (ID)