Which of the following can a security administrator implement on mobile devices that will help prevent unwanted people from viewing the data if the device is left unattended?

The correct answer is A. Screen lock. A screen lock (PIN, password, biometric, or pattern) prevents unauthorized physical access to a device left unattended by requiring authentication before the display becomes usable. Voice encryption (B) protects audio communications, not idle screen access. GPS tracking (C)…

Security operations

Question

Options

AScreen lock
BVoice encryption
CGPS tracking
DDevice encryption

How the community answered

(47 responses)

A
91% (43)
B
2% (1)
C
2% (1)
D
4% (2)

Explanation

A screen lock (PIN, password, biometric, or pattern) prevents unauthorized physical access to a device left unattended by requiring authentication before the display becomes usable. Voice encryption (B) protects audio communications, not idle screen access. GPS tracking (C) helps locate a lost device but does nothing to block a nearby viewer. Device encryption (D) protects data if the device is physically removed and the storage media is extracted, but it does not prevent someone from simply picking up an already-unlocked or unprotected screen and reading what is on it. Screen lock directly addresses the 'left unattended' scenario by locking the interface after a period of inactivity.

Topics

#screen lock#mobile device security#physical access control#unattended device

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