anti-theft system vs anti-theft device

Examples:

• The car comes equipped with an advanced anti-theft system.
• The company upgraded its anti-theft system to enhance security.
• Installing an anti-theft system can reduce the risk of burglary.
• The new anti-theft system includes motion sensors and alarms.
• The anti-theft system was triggered when someone tried to break into the house.

Alternatives:

• security system
• theft prevention system
• burglar alarm system
• security protocol
• safety measures

Examples:

• She installed an anti-theft device on her bike to deter thieves.
• The store uses anti-theft devices on expensive merchandise.
• The anti-theft device activated when the intruder tried to open the safe.
• The new smartphone comes with built-in anti-theft features.
• He forgot to activate the anti-theft device on his laptop.

Alternatives:

• theft deterrent
• security device
• anti-burglary tool
• theft prevention gadget
• security mechanism