DEV Community
•
2026-04-20 15:32
Information Security Concepts Explained: Risk, Vulnerabilities, Threats & Controls (2026)
TL;DR
Information security protects data and systems from unauthorized access, attack, theft, and damage through three core functions: prevention, detection, and recovery. The foundational vocabulary of InfoSec — risk, vulnerability, threat, and attack — has precise meanings that determine how defenses are designed and prioritized. A vulnerability without a threat is low priority; a cre...
