Smart Devices in public places.
When using or carrying your smartphone or tablet in a public place – whether outdoors or in a café, restaurant or in the office – there can be a number of risks if you do not take proper care.
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Keep your smartphone/tablet with you at all times to avoid loss or theft.
Ensure the wireless network you are using is secure.
The Risks
People gaining access to your online activity if you are using an unsecured or illicit wireless network.
People accessing your device via Bluetooth to either send you unwanted texts, exploit your contacts list or access your handset’s commands.
Loss or theft of your device - either when you leave it unattended or while you are using or carrying it.
‘Shoulder surfing’ – people viewing your screen.
Protect Yourself
Using WiFi
The main security risk associated with using your device in a public place, is that the WiFi may not be secured, enabling unauthorised people to intercept anything you are doing online. This could include capturing your passwords and reading private emails. This can happen if the connection between your device and the WiFi is not encrypted, or if someone creates a spoof hotspot which fools you into thinking that it is the legitimate one.
With an encrypted connection, you will be required to enter a ‘key’, which may look something like: 1A648C9FE2.
Alternatively, you may simply be prompted to log in to enable internet access. This will tell the operator that you are online in their café, hotel or pub. There is almost certainly no security through encryption.
Unless you are using a secure web page, do not send or receive private information when using public WiFi.
Wherever possible, use well-known, commercial hotspot providers such as BT OpenZone or T-Mobile.
Businesspeople wishing to access their corporate network should use a secure, encrypted Virtual Private Network (VPN).
Bluetooth
Ensure that your Bluetooth is switched off when you do not need to use it.
If you do use Bluetooth, make sure that your devices are not left ‘discoverable’.
Do not pair devices in public in case someone is scanning you while you create the connection.
If possible, restrict access to known, paired devices.
Do not accept files transmitted via Bluetooth from unknown or suspicious sources.
Other Advice
Never leave your smartphone or tablet unattended.
Be aware of who is around you and may be watching what you are doing online. Consider using a privacy filter which effectively blocks the view of your screen from people sitting either side of you. An example is the 3M product, details here.
Do not get distracted by somebody who could steal your device.
Do not leave your device in view when not using it, even if it is on your seat or table.
Wherever possible, do not use your device or have it on show when walking around, as this will increase the chance of having it stolen and your personal safety being put at risk.
Reference - https://www.getsafeonline.org/