defence system

• Système conçu pour protéger un pays, une organisation ou une entité contre une attaque, incluant généralement des mesures militaires, technologiques ou de cybersécurité.

A system designed to protect a country, organization, or entity from attack, typically involving military, technological, or cybersecurity measures.

1. Military protection networkB2formal

   An organized network of military resources, weapons, and strategies designed to protect a country or region from attack.

   système de défense

   • The country invested heavily in its national defence system.
   • The missile defence system successfully intercepted the target.
   • The general reviewed the entire defence system for weaknesses.

2. Cybersecurity infrastructureB2formal

   A combination of software, hardware, and protocols used to protect computer networks and data from unauthorized access or attacks.

   système de défense (cybersécurité)

   • The company's defence system blocked a major cyber attack.
   • Firewalls are a key component of any network defence system.
   • They updated their defence system to protect against new threats.

3. Immune systemB2formal

   The biological system in a living organism that protects against disease and infection.

   système immunitaire

   • A healthy diet helps strengthen the body's natural defence system.
   • The immune defence system fights off viruses and bacteria.
   • Vaccines train the defence system to recognize pathogens.