The travel season is almost here. Free Wi-Fi at cafes, airports, restaurants and city streets is used by almost everyone who’s traveling – but how many people take an extra step to make sure their browsing is not only convenient, but also safe?
Here are some of the most common ways that a hacker can take advantage of someone’s device connected to a public Wi-Fi hotspot:
- Fake Wi-Fi hotspot. The most common threat is still a hacker positioning himself as a Wi-Fi hotspot. When that happens, a Wi-Fi user will be sending their information to a hacker instead to a legitimate Wi-Fi spot–and that could include credit card information, private emails, and any other sensitive information. This technique is very easy for hackers, as Wi-Fi spots rarely require authentication to establish a connection.
- Wireless sniffers. Hackers can be using sniffers, a software designed to intercept and decode data when it is transmitted over a network. Wireless sniffers are specifically created for capturing data on wireless networks, but are normally used by IT specialists to monitor the health of a network and diagnose problems. When a sniffer falls into a hacker’s hands, it can be easily used to monitor and decode another person’s private data.
- Shoulder surfing. When an Internet user finds themselves in a crowded coffee shop or an airport, there might be data thieves lurking around, who will watch over a shoulder to memorize passwords or credit card information that one enters into their device. Just as it’s important to be careful when entering a PIN number into an ATM machine, it’s important to make sure no one is looking over a shoulder when going online at a public Wi-Fi spot.
How can an Internet user protect themselves when they go online at a public hotspot? Actually, it’s really simple – just a few easy rules need to be followed – and they will be safe on any public network.
- Use a VPN. The best and most effective way for any traveler to protect their data is to use a VPN (Virtual Private Network). A VPN service encrypts all the traffic flow between the Internet and a device thus hiding user’s IP address. Recently, VPNs have become a mainstream tool and quite a few have been remodeled to be very user-friendly. For example, with NordVPN users only have to turn to ON button, and they will be connected. The app (for Android, Mac or iOS) will then choose the fastest server to connect to. It’s also important to be aware of free VPNs that typically rely on third party advertisers to cover the costs. In addition to protecting one’s online activities, a VPN will also help access banned sites in a different country (such as Facebook in Vietnam or Wikipedia in Turkey).
- Use a firewall. It’s important to make sure firewall is turned on before going online, especially on a public Wi-Fi spot.
- Disallow automatic wireless network connection. Make sure automatic wireless connection are not turned on, and Wi-Fi is turned off when it’s not being used – this will prevent hackers from automatically connecting to one’s device.
- Sharing settings should NOT be Public. To prevent anyone from finding and accessing one’s device, it’s important to make sure System’s Settings are not set to Public sharing.
- Be vigilant. It’s always important to know who’s around to avoid shoulder surfing or any other suspicious activities.
For more tips, visit www.nordvpn.com
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