Using Wi-Fi at airports, railway stations invitation to cyber attacks

Using Wi-Fi at airports, railway stations invitation to cyber attacks

Using WiFi hotspot or wireless internet networks at airports or railway stations can put you at vast risk of cyber attack. CERT-in has rated the vulnerability quotient of public Wi-Fi in the country at "high".

Krack cannot only affect even protected networks and subsequently be used to steal sensitive data such as credit card details, chats, emails, messages and photos apart from injecting malware and manipulating data. "Avoid public Wi-Fi at all costs", it said adding that "Use a wired network if your router and computer both have a spot to plug in an Ethernet cable".

The research found that users of Android, iOS, Linux, macOS and Windows devices were most vulnerable to cyber attacks.

Kaspersky Labs, a data security firm, research has highlighted the vulnerability in WPA or WPA2 encryption. Known as KRACK (Key Reinstallation AttaCKs), the flaw affects all those Wi-Fi networks with WPA2 encryption, which means your average coffee shop network is prone to this attack. The modern world thrives on the Internet for a majority of daily activities and public Wi-Fi networks play an important role in providing Internet connection to a majority of places.

- Always check to make sure there's a green lock icon in the address bar of your browser. This indicates that an HTTPS (encrypted and secure) connection is being used to connect to the website. Later on, the lock would disappear. Therefore, Google and Apple have already promised to roll out software fixes for this issue. Thus, check for fresh firmware updates for your devices and install them as soon as possible.

The hacker could use the vulnerability to attack devices using methods such as arbitrary packet decryption and injection, transmission control protocol connection hijacking, HTTP (Hypertext Transfer Protocol) content injection, or various replay attacks, the warning further states.

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