Ever wondered if that ‘free wi-fi’ hotspot is secure?


In general, devices which support Wi-Fi can be used securely on any Wi-Fi network which allows VPN traffic to transit the network. However, there are risks associated with using Wi-Fi which must be considered and accepted before its use is permitted.

Many devices expose a rich set of services when connected over Wi-Fi. Risk owners of deployments which use Wi-Fi should be content that the increased attack surface of these devices is within the bounds of acceptability. For example, some devices may expose synchronisation services over Wi-Fi to allow media and data to be synchronised.

Others may present a screen sharing service which allows the contents of the device’s screen to be shared with networked peripherals. Services may also be accessible locally when the VPN is connected, effectively causing a split tunnel. These attack surfaces should be considered on a device-by-device basis and only permitted where the risk is acceptable… More at NCSC.

Useful information in the link above. Thanks to Neil.

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