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Don't Give In To #Krack


The Krack Wi-Fi attack has been in the news quit a bit over the last few days. This guide will provide a Jaragon free(well almost jaragon free) insight into how the attack works and how you can keep your devices safe.

How does Krack work?

Krack (Key Reinstallation AttaCK) works by infiltrating your password protected Wi-Fi network. Once inside your Wi-Fi network the attacker can then eavesdrop on all traffic sent over your network. This can be abused to steal sensitive information such as credit card details, passwords, emails etc. The attack itself isn't against particular devices, it's on the information sent from them, so whether you are using a PC, Mac, iPhone or Android device you are prone to this attack. Research suggests that Android devices are currently the most prone to this attack.

How will Krack effect you?

For Krack to work the attacker needs to be within range of the wireless network you are connected to. If you're a home user using a standard ISP supplied router then you're probably safe as those routers barely push a Wi-Fi signal to the next room let alone within the range of a would be attacker. If you do happen to see somebody shifty outside your house with a laptop, perhaps turn off your router for a short period or chase them away with the hosepipe. You are probably most prone to attack when using a public Wi-Fi network where lots of people connect as this will provide the attacker with a larger yield of sensitive data.

How to protect yourself from Krack.

Whether you feel you are vulnerable to attack or not there are some simply steps you can take to ensure you are protected.

  • Ensure your device is completely up to date with the latest security patch. Microsoft and Apple have confirmed that their latest security updates will protect against Krack The latest news is that we're still waiting on an update from Google.

  • Whilst this may be a little trickier try to ensure that the firmware on your own router is updated. Vendors will be rolling out updates over the next few weeks.

Try to avoid connecting to public or un-secured Wi-Fi networks until you can confirm your device has received the latest security updates to protect yourself. If you do have to connect try to avoid using sensitive information such as credit cards details or passwords.

We hope that you have found this guide useful, but should you have any questions or require further information please contact us at info@owenitsolutions.co.uk or 01173215835 Kind Regards Jason Owen Director


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