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This question already has an answer here:

I'm in a hostel with plenty of software engineers. I want to make sure I have some protection.

I quickly read about dnscrypt and some VPN solutions.

What measures can I take to ensure my data traffic remains protected?

PS: This is really not the same question as VPN Authentication over WiFi -- Is it secure?. That question would be a follow up question to this one.

marked as duplicate by Neil Smithline, Xander, Anders, Rory Alsop May 22 '16 at 19:49

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Here are some useful tips from Kaspersky Lab’s team of Internet security experts:

Be aware Public Wi-Fi is inherently insecure – so be cautious.

Remember – any device could be at risk Laptops, smartphones, and tablets are all susceptible to the wireless security risks.

Treat all Wi-Fi links with suspicion Don’t just assume that the Wi-Fi link is legitimate. It could be a bogus link that has been set up by a cybercriminal that’s trying to capture valuable, personal information from unsuspecting users. Question everything – and don’t connect to an unknown or unrecognized wireless access point.

Try to verify it’s a legitimate wireless connection Some bogus links – that have been set up by malicious users – will have a connection name that’s deliberately similar to the coffee shop, hotel, or venue that’s offering free Wi-Fi. If you can speak with an employee at the location that’s providing the public Wi-Fi connection, ask for information about their legitimate Wi-Fi access point – such as the connection’s name and IP address.

Use a VPN (virtual private network) By using a VPN when you connect to a public Wi-Fi network, you’ll effectively be using a ‘private tunnel’ that encrypts all of your data that passes through the network. This can help to prevent cybercriminals – that are lurking on the network – from intercepting your data.

Avoid using specific types of website It’s a good idea to avoid logging into websites where there’s a chance that cybercriminals could capture your identity, passwords, or personal information – such as social networking sites, online banking services, or any websites that store your credit card information.

Consider using your cell phone If you need to access any websites that store or require the input of any sensitive information – including social networking, online shopping, and online banking sites – it may be worthwhile accessing them via your cell phone network, instead of the public Wi-Fi connection.

Protect your device against cyberattacks Make sure all of your devices are protected by a rigorous anti-malware and security solution – and ensure that it’s updated as regularly as possible.

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