Protecting yourself against the new Kr00k vulnerability in Decorah

Secure your wireless devices and network

A new vulnerability was discovered in Broadcom and Cypress Wi-Fi chips, which are the world's two most used chips in wireless-enabled devices. Referred to as Kr00k, the vulnerability targets the information that is sent through wireless signals. Usually this information is encryped ensuring that only the sender and receiver can read that information. But with Kr00k, that information can be decrypted by hackers to steal personal information.

Devices that are prone to this vulnerability include Amazon (Echo, Kindle), Apple (iPhone, iPad, MacBook), Google (Nexus), Samsung (Galaxy), Raspberry (Pi 3), Xiaomi (Redmi), and access points from Asus and Huawei. Researchers estimate more than a billion devices could be affected by the vulnerability, which is easy to see with the huge number of smartphones that include those WiFi chips.

Here in Decorah it's not difficult to go about your day and run into someone that is using either an iPhone or Galaxy smartphone. This is why it's important to keep on top of security updates on any device that connects to the internet, especially through WiFi or wireless connection. Fortunately, many of the companies listed were notified about the vulnerability and worked to release updates to fix the issue.

Here's a checklist to follow to ensure you're protected against the Kr00k vulernability:

Enable automatic updates on your device. Ensure that within your device's Settings area that system and security updates are set to automatic download and install. With automatic updates set your device will receive important updates once they're available versus having to wait for you to install them.

Check that the latest updates have been installed successfully. Sometimes issues can occur such as the smartphone running out of space preventing your device from installing the latest update. It's a good practice to regularly check that updates are installing successfully and checking that your device is up to date.

Upgrade to the latest operating system version if possible. To ensure your device is receiving the latest features and security updates it's always a good practice to ensure you're running the latest operating system. Sometimes older devices are unable to run the latest operating systems and will require an upgrade to a newer device.

Only connect to WiFi networks you trust. Free and public WiFi networks can be handy, but also dangerous if sending sensitive information over them. Connecting to a public WiFi network with a device that isn't running the latest security updates is even more dangerous. If you're going to use a public WiFi network it's more important than ever to ensure your device is up to date.

Keep your home WiFi network secure. Best practice when running a WiFi or wireless network in your home is to ensure it's secured properly with a password. Your wireless router should also be set with a unique administrative password. Most wireless routers are shipped with a default password that could easily be changed without you knowing.

Contact Stress Less Tech for help with any of the checklist items from checking that your device is to up to date or securing your wireless router. We're available Monday through Friday from 9 a.m. to 6 p.m. Give us a call at 563-387-9703, email at support@stresslesstechsolutions.com, or stop by our Decorah office location at 2427 Tamarack Dr Rd.
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