Look up security in Wiktionary, the free dictionary.
Security is the degree of protection against danger, damage, loss, and crime.
Security may also refer to:
- Airport security
- Computer security
- Energy security
- Security (electrical grid), a real-time component of reliability
- Food security
- Security of person, a human right as defined by the United Nations
- Information security
- Juridical security, also called legal security
- Military security
- National security
- Physical security
- Social security