# Cybersecurity

The practice of protecting systems, networks, and data from digital attacks, unauthorized access, and damage.

**Cybersecurity[↗](/cybersecurity)** is the practice of protecting computers, networks, programs, and data from unauthorized access, damage, or disruption. It spans everything from personal password habits to enterprise-scale defenses like firewalls, encryption[↗](/encryption), and security operations centers.

As more of daily life, banking, healthcare, communication, critical infrastructure, moves online, cybersecurity has become foundational rather than optional. It's a shared responsibility that blends technology, processes, and everyday human behavior.