defense system

• Sistema destinado a proteger um país, organização ou indivíduo contra ataques, ameaças ou acessos não autorizados, incluindo frequentemente medidas militares, de segurança cibernética ou de segurança física.

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.

   Sistema de defesa

   • 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.

   Sistema imunológico

   • 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.