securityapp
nounUK /sɪˈkjʊərəti æp/
US /sɪˈkjʊrəti æp/
A security app is a program on your phone that helps keep you and your things safe.
My dad installed a security app to protect his phone from bad websites.
RELATED WORDS
OTHER MEANINGS
2. A program that watches over a building using cameras or alarms.
The school uses a security app to check the cameras at night.
3. A tool that keeps private information secret on a computer.
This security app hides my messages so no one else can read them.
4. A service that warns you when someone tries to break into an account.
The security app sent a warning when a stranger tried to log in.