security system

A system designed to protect people, property, or information from harm, theft, or unauthorized access, typically involving alarms, cameras, sensors, or software protocols.

• 🇨🇳指用于保护人员、财产或信息免受伤害、盗窃或未经授权访问的系统，通常包括警报、摄像头、传感器或软件协议等组成部分。

1. Protection system B1 formal

   A set of devices and procedures designed to protect a place, person, or data from unauthorized access, theft, or harm.

   • The building has a modern security system with cameras and alarms.
   • They installed a new security system to prevent break-ins.
   • The security system alerted the police immediately.

   🇨🇳安全系统

2. Digital security B2 formal

   Software and hardware used to protect computer networks, data, and systems from cyber threats.

   • The company upgraded its security system to prevent data breaches.
   • A good security system includes firewalls and antivirus software.
   • The IT department monitors the security system for any suspicious activity.

   🇨🇳数字安全