Which practice BEST protects a mobile device against attacks?

Question

Options

• ARegularly updating the device operating system
• BRegularly updating the device operating system
• CInstalling apps from unverified sources
• DUsing open public Wi-Fi without VPN

• A
  87% (20)
• B
  9% (2)
• C
  4% (1)

Explanation

Regularly updating your device's operating system patches known security vulnerabilities that attackers actively exploit - this is the single most effective baseline protection for mobile devices. Note that options A and B appear identical in this question (likely a typo), so both point to the same correct behavior.

Why the distractors are wrong:

• C (installing apps from unverified sources) is the opposite of safe practice - unverified apps are a primary vector for malware, spyware, and data theft.
• D (open public Wi-Fi without VPN) exposes your traffic to man-in-the-middle attacks and eavesdropping; a VPN would mitigate this, but using it without one is dangerous.

Memory tip: Think "patch first" - OS updates are your first line of defense because they close the doors attackers already know about. Everything else (app stores, VPNs) layers on top of that foundation.

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