![]() ![]() ![]() Sign in with your router's username and password, if necessary. You'll want to visit your router's web-based interface and check its DNS server setting.įirst, you'll need to access your router's web-based setup page. Check your network connection's gateway address or consult your router's documentation to find out how. The one telltale sign that a router has been compromised is that its DNS server has been changed. ![]() Related: 10 Useful Options You Can Configure In Your Router's Web Interface UPnP seems to be vulnerable on many routers, for example. Other exploits can take advantage of other router problems. Some routers may have their remote administration interfaces activated along with default usernames and passwords - bots can scan for such routers on the Internet and gain access. As the JavaScript is running on a device inside your local network, the code can access the web interface that's only available inside your network. An attacker embeds malicious JavaScript onto a web page, and that JavaScript attempts to load the router's web-based administration page and change settings. Many attacks make use of cross-site request forgery (CSRF) attacks. They can capture requests for Google Analytics or other scripts almost every website use and redirect them to a server providing a script that instead injects ads. If you see pornographic advertisements on a legitimate website like How-To Geek or the New York Times, you're almost certainly infected with something - either on your router or your computer itself. SSL-stripping attacks can even remove the encryption in transit.Īttackers may also just inject advertisements, redirect search results, or attempt to install drive-by downloads. Sharp-eyed people may notice that such a phishing site won't have HTTPS encryption, but many people wouldn't notice. Unusually slow DNS requests are a sign you may have an infection. It may simply time out on most requests and then redirect queries to your ISP's default DNS server. The malicious DNS server doesn't necessarily respond to all queries. It may still say in your address bar, but you'll be at a phishing site. When you try to connect to a website - for example, your bank's website - the malicious DNS server tells you to go to a phishing site instead. Related: What Is DNS, and Should I Use Another DNS Server?Īttackers often seek to change the DNS server setting on your router, pointing it at a malicious DNS server. Manufacturers are producing large numbers of different devices and not bothering updating them, leaving them open to attack. If you keep the default SSID, you will likely broadcast the brand and type of router you are using, and these are pieces of information that a cyber snoop can use against you.The home router market is a lot like the Android smartphone market. Change the default SSID to the name of your choice (something like “FBI Surveillance 1” is likely to leave your neighbors amused-or concerned).(If your service provider gave you a password, choose a new one.) As with your new router admin password, opt for a longer passphrase that has personal meaning and at least some degree of complexity (special characters, numbers, etc.). Set or change your wireless network password.If there are multiple WPA2 options, choose either WPA2-PSK, WPA2-PSK (AES), or WPA2-Personal all three are essentially the same and offer the best option outside of WPA3 for at-home use. ![]() Until WPA3 becomes more commonplace, choose WPA2 encryption - a must, as earlier WiFi encryption protocols are far more vulnerable. Most routers and devices (like smartphones and laptops) do not yet support WPA3, so it’s unlikely to be an available option in your interface (unless you’ve specifically installed a WPA3-compatible router). WPA3 is the newest wireless encryption standard, but it is currently in its early days.
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