security device
Theft prevention tool
A security device is any mechanism designed to prevent unauthorized access, theft, or harm.
The term covers physical hardware like locks, alarms, and surveillance cameras, as well as digital tools like authentication tokens and encryption keys.
The store attached security devices to expensive merchandise.
Her phone uses facial recognition as a security device.
- lockMechanism requiring a key
- dead boltDoor lock requiring key
- smart lockApp-operated door mechanism
- alarm systemAutomated threat detection network
- sirenWailing alert device
tripwire · bolt · alarm · firewall · surveillance camera · bollard · keypad · antivirus software · vault · motion detector · immobilizer · sensor · laser grid · safe · panic room · panic button · camera · retina scanner
security deviceopen door
Barrier removed for entry
welcome mat · open invitation · key · pass · access point
security devicesecurity flaw
security hole · vulnerability · weak point · backdoor · burglary tool
security deviceopen door
Barrier removed for entry
open invitation · welcome mat · free entry · automatic door · open window