Find out the dangers of using public Wi-Fi

2024-10-13 12:33:00

It is very common when we travel to use public internet networks in each place we visit, which could be at the airport, cafes, etc. However, be aware that using public Wi-Fi, you may be taking a big risk. This is because cybercriminals are always active and take advantage of frequent connectivity to public Wi-Fi networks, present in airports, cafes, hotels and restaurants, to make more victims.

Why can public Wi-Fi networks be dangerous?

Connecting to open Wi-Fi networks may seem like a practical way to save mobile data, but these networks are often unsecured or poorly configured, making them an easy target for hackers. Among the most discussed threats today are “evil twins”, a technique that has aroused the concern of security experts. In this scam, cybercriminals create Wi-Fi networks that appear legitimate, simulating networks in known locations, such as airports or large cafes. The aim is to trick users and collect their personal data, such as passwords, banking or credit card information.

In Australia, an incident occurred at Perth and Melbourne airports, where a criminal set up fake networks that imitated the terminals’ official Wi-Fi networks. This attack allowed him to access sensitive information from several travelers before he was captured by authorities. The case shows the danger of these virtual traps and exposes the vulnerability of public Wi-Fi networks in busy places.

How to protect yourself from falling for scams

To reduce the risk of scams, experts recommend using personal mobile hotspots. These devices offer a private and secure network, especially useful when traveling, where dependence on public networks is greater. Another important tool is the use of a VPN (Virtual Private Network), which creates an encrypted tunnel between your device and the internet, making it difficult for third parties to access your information.

Additionally, whenever possible, avoid entering sensitive information, such as passwords or banking details, on public Wi-Fi networks. If you must use an open network, limit yourself to activities that do not involve sensitive data and make sure that the website you access uses encryption (identified by the “https” at the beginning of the URL).

Airports are the most vulnerable points

Airports are especially vulnerable places to these types of attacks. With thousands of people commuting daily and connecting to Wi-Fi networks to pass the time while waiting for their flights, terminals become an easy target for criminals. Many airports outsource their Wi-Fi services, and the lack of stricter oversight can increase security breaches.

Protect yourself against hacker actions

Prevention is possible and fundamental. In addition to avoiding public networks for important tasks, it is very important that users read the terms of service before connecting to a network and be aware of any strange behavior on the device after connecting.

Developing digital security habits is as important as preparing your suitcase for your trip. Being aware of the risks and taking preventative measures helps ensure a smoother and safer travel experience, away from the unpleasant surprises of cyber attacks.

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