Tue · 16 Jun 2026
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Surveillance

Vault app

Risk flag

An app disguised as a calculator, notes app, or other harmless utility that hides photos, videos, messages — or even a second social-media account — behind a secret passcode. Invisible to content filters because the content is local and the disguise is the whole point.

How kids use it

Spot them by storage size (a 'calculator' using 2 GB isn't a calculator) and permissions (a calculator with camera or contacts access isn't a calculator).

More Surveillance terms

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