United States warns of security flaw which can compromise Wi-Fi connections

United States warns of security flaw which can compromise Wi-Fi connections

United States warns of security flaw which can compromise Wi-Fi connections

The vulnerabilities are exploited using key reinstallation attacks (KRACKs) that target Wi-Fi clients like laptops, smartphones, and smart home devices - any device that connects to a router using Wi-Fi, really. "Note that if your device supports Wi-Fi, it is most likely affected".

From there, the hacker can spy on incoming and outgoing internet traffic and infect websites with malware or ransomware.

This attack technique bypasses established network defenses, including encryption, and works against all modern protected WiFi networks.

"It means in practice, attackers can decrypt a lot of Wi-Fi traffic, with varying levels of difficulty depending on your precise network setup". In more unsafe cases, hackers might be able to "take over" your Wi-Fi connection and add malware to otherwise safe sites, Mashable explained.

Initial research found Android, Linux, Apple, Windows, Linksys and others are all affected by some variant of the attacks. You can make yourself safer by using a VPN.

A major flaw has been discovered in a security protocol called WPA2 that protects most Wi-Fi networks, Business Insider reported. It's particularly significant given that WPA2 is the most secure protocol generally being used to encrypt WiFi networks, rather than an older security protocol.

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According to the Wi-Fi Alliance, the issue can be resolved through software updates, and the software industry has already started providing patches to improve WPA2 encryption.

Microsoft said it had released a security update for Windows.

2. Avoid using public Wi-Fi networks.


The hope is that with Vanhoef's delay in publishing the viability of the bug, it's possible that security researchers and hardware manufacturers have already created updates that will soon roll out to their products worldwide. "Users can expect all their Wi-Fi devices, whether patched or unpatched, to continue working well together".

Since the loophole is at the very basic level - the Wi-Fi standard itself - another cybersecurity expert Jiten Jain says users will have to wait for a firmware update for their routers and other devices.

This padlock will appear on all HTTPS sites. While changing the password of your Wi-Fi network does not prevent or mitigate the attack, it's never a bad idea to change the Wi-Fi password, Vanhoef said.

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