🧠 Wi-Fi Shoulder Surfing

Wi-Fi shoulder surfing is when someone nearby—at a café, airport, hotel, or conference—monitors what a person does on their device by exploiting unsecured Wi-Fi or simply watching traffic on the same network. Attackers use cheap tools to capture unencrypted data, intercept logins, or mimic the same network name (“Evil Twin Wi-Fi”). Even when a person thinks they’re on the correct network, an attacker may control it, capturing everything that passes through. This threat is common because it targets normal work habits: checking email during travel, sending documents from a hotel room, or logging into cloud apps on guest networks.

What to Do

Avoid logging into business systems on public Wi-Fi unless using a trusted VPN. Use a mobile hotspot when traveling; it’s far safer than hotel or café networks. Disable automatic Wi-Fi connections on all devices. Verify network names before connecting—attackers often use similar names like “CoffeeShop_Guest1.” Require MFA so stolen credentials can’t be reused. Encrypt devices so captured sessions are harder to exploit. For teams that travel frequently, provide a company VPN and enforce it through device policies. Review device settings monthly to ensure “Secure DNS” or “HTTPS-Only Mode” is enabled in all modern browsers.

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