Shoulder Surfing / Passcode Guessing
Detection
Parental controls suddenly turned off or altered without parent intervention; child knows confidential PINs.
Fix (technical)
On iOS: Change Screen Time Passcode under (siehe ui_strings_ref)ngen \> (siehe ui_strings_ref). Choose a non-obvious 4-digit code distinct from device unlock code13. On Android: Use Parent Access Code or parent Google Account credentials to restrict settings7.
Fix (relational)
Address shoulder surfing directly as a privacy breach, while evaluating whether current technical limits are overly restrictive.
Residual risk
Child may observe passcode entry via shoulder surfing or covert camera recording.
Sources
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apple-support-102677-de
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google-family-screentime-en