defense system

• Système conçu pour protéger un pays, une organisation ou une entité contre une attaque, une menace ou un accès non autorisé, incluant souvent des mesures militaires, de cybersécurité ou de sécurité physique.

A system designed to protect a country, organization, or entity from attack, threat, or unauthorized access, often involving military, cybersecurity, or physical security measures.

1. Cybersecurity infrastructureB2formal

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

   système de défense

   • The company's defense system blocked a major cyber attack.
   • A strong defense system includes firewalls and antivirus software.
   • They hired experts to improve their network defense system.

2. 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 defense system.
   • The immune defense system fights off viruses and bacteria.
   • Vaccines train the defense system to recognize pathogens.