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Wi-Fi InspectorВ does notВ have permission to access and modify router settings on your behalf, so all changes on the router administration page need to be made by you or your router vendor. ItвЂ™s important to note that Avast is notВ able to fix network issues for you.

Open network portsВ (for remote access, Telnet, etc.).

Non-encrypted, unsecured wireless networks.

Router firmware vulnerabilitiesВ (for most common vendors).

Weak or default passwordsВ (for Wi-Fi and router administration).

Wi-Fi Inspector exposes the following vulnerabilities:

Click Wi-Fi Inspector and click the NETWORK SCAN button to begin the scan.

Open the Protection tab on the left side.

To check for network issues, open you Avast 2017 user interface.

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How to use Wi-Fi Inspector to check your home network

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Our research also showed that only a quarter of AmericansВ have ever updated their routerвЂ™s firmware and only one out of seven log into their routerвЂ™s administrative interface on a weekly or monthly basis to check if there is an update available. Over the last few months, Avast scanned over 4.3 million routers around the world and found that 48% have some sort of security vulnerability.

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Routers present a particular security risk because if the router isnвЂ™t secure, even if you have protected your PC or Mac, those and other devices can be attacked.

In many cases, it will also provide step-by-step instructions. It scans for vulnerable devices and then notifies you if you need to address any security issues. Wi-Fi Inspector automatically scans all the devices connected to your home network - whether itвЂ™s wireless or cable. If you have used Avast before, you may recognize it by the previous name 'Home Network Security'.

In all Avast 2017 products, there is a feature called Wi-Fi Inspector that will let you take control of your own network, so you can keep your router and other smart devices from becoming part of a botnet like Mirai. Using that botnet, they launched a distributed denial of service (DDoS) attack which sent massive volumes of artificial traffic to servers so that legitimate traffic cannot be served. They formed all these devices into a huge, powerful botnet dubbed Mirai. The attack worked because hackersВ took control of thousands of devices through default passwords that had not been changed. With the number of connected devices estimated to reach 50 billion by 2020, you can be guaranteed that cybercriminals will attempt it again. It sounds dramatic, but regular peopleвЂ™s internet-enabled devices вЂ“ routers, webcams, printers, and so on вЂ“ were used in a massive online attack that shut down a huge part of the internet for hours one Friday morning last October. That little black home router with the funny antennae and shiny lights could be part of an army of devices conscripted to take down the internet. Wi-Fi Inspector automatically scans your home network for vulnerable devices and helps address any security issues with step-by-step instructions.