How to Enable Malware Protection on Your Router

What router malware protection does

Router malware protection is the security layer that runs on the router itself, not on each phone, laptop, or tablet. It inspects traffic as it passes through the network and blocks connections to known malicious websites, phishing pages, and command-and-control servers. When a device on your network is infected, the router can alert you and prevent that device from reaching harmful destinations.

This is different from antivirus software on a PC. Endpoint software scans files and processes on one device. Router-level protection protects every device on the network, including smart TVs, cameras, thermostats, and other Internet of Things gadgets that cannot run antivirus software. For a fuller picture of how a router defends a network, see router security basics.

• Blocks known malicious and phishing websites before they load
• Quarantines or alerts when an infected device tries to communicate with a command server
• Adds a scanning layer for connected Internet of Things devices that cannot run security software
• Works alongside device antivirus rather than replacing it

Find the security settings on your router

The exact location depends on the router maker and the model. On most routers, you open the mobile app or the web-based admin page and look for a security, protection, firewall, or threat-prevention tab. ASUS routers use AiProtection, TP-Link routers include HomeShield, NETGEAR routers have Armor, and eero models include eero Plus. These names are examples of the categories that appear in the app or admin interface.

If you cannot find a malware protection toggle, open the router app and look for a security or add-on section. Some makers include basic threat blocking in the base feature set, while advanced features are part of a higher protection tier. You can still protect the network with a DNS service that blocks malicious domains; see the section below on DNS-based protection. If the router has no security features at all, check the entry-level router picks or ask the router maker for the latest firmware.

Steps to enable router malware protection

These steps are general because every admin interface is slightly different. Read the labels in your router app or web interface and enable the feature that matches the description, then confirm that it is active.

After you enable protection, run a scan if your router offers one. Some routers can scan connected devices for known vulnerabilities as well as block malicious websites. A scan may take a few minutes, and it will report any devices that appear compromised. If a device is flagged, disconnect it from the Wi-Fi network and update or reinstall its software before reconnecting.

• Log in to the router admin page or open the router app
• Go to the Security, Protection, or Firewall section
• Enable the toggle for malicious site blocking and infected device quarantine
• Turn on automatic firmware updates so security definitions stay current
• Enable WPA3 or WPA2/WPA3 transitional mode for the Wi-Fi network
• Run the router’s security scan if one is available

Keep firmware updated

Malware protection depends on the router’s threat database and firmware. Router makers push updated definitions and security patches through firmware updates, so a router that never updates will become less effective at blocking new threats. Most routers can install updates automatically, and many apps have a setting that enables automatic updates.

Check the router’s management app or admin page for a firmware or update section. If your model does not support automatic updates, set a reminder to check every month. For more detail, see router firmware updates explained and how to enable automatic router firmware updates.

Use WPA3 and Protected Management Frames

Malware protection blocks bad destinations, but encryption keeps your traffic private from neighbors and eavesdroppers. The Wi-Fi Alliance explains that WPA3 networks disallow outdated legacy protocols and require the use of Protected Management Frames. That combination protects the network from password-guessing attempts and from forged management frames that can be used in certain attacks.

If your router supports WPA3, enable it for the home network. Older devices that do not support WPA3 can connect using a transitional mode, but the strongest option is a network running WPA3 only when all of your devices support it. To learn how to turn it on, see how to enable WPA3 on router. Wi-Fi 5 and Wi-Fi 6 devices that use WPA2 remain usable, but they do not get the same protections. The Wi-Fi Alliance’s security resources describe WPA3 and Protected Management Frames as core parts of modern Wi-Fi security.

Use DNS-based protection as a fallback

If your router does not include malware protection, you can still block many malicious domains by changing the DNS servers the router uses. Several public DNS services maintain blocklists for malware and phishing domains. When you set the router to use one of these services, the router will refuse to resolve those domains, so devices cannot connect to many dangerous websites.

This approach does not inspect traffic the way a router security suite does, and it cannot quarantine infected devices. It is a useful layer for older routers and for networks where the router maker stopped providing security updates. Instructions for changing DNS settings are usually in the router’s internet or WAN section. For background on how DNS works, see DNS on router explained.

Check router alerts and logs

Router security features usually produce alerts and log entries when they block a threat. Look for a security log, protection history, or alerts section in the router app. If the router has blocked a site, the log will often show the device IP address, the destination domain, and the time. Use that information to identify the source of the problem.

If you see repeated blocks from the same device, that device may be infected. Disconnect it from the network, update its software, and run a security scan on it. If the blocks continue after a clean scan, check the router’s guest network or IoT device list to make sure the device is not being reconnected through another path. For help reading logs, see how to read router logs.

When to upgrade your router

Router makers do not support hardware forever. When a router stops receiving firmware and security updates, its malware protection becomes stale, and new threats can pass through. If your router lacks malware protection, or its maker no longer delivers updates, replacing it is a reasonable security move. The NIST Small Business Cybersecurity Corner recommends that small businesses take proactive steps to manage cybersecurity risk; the same logic applies at home.

For a new router, look for one with built-in malware protection, automatic firmware updates, and WPA3 support. That combination covers the important security layers: encrypted connections, protected management frames, and live blocking of malicious destinations. See the mid-range router picks or the mesh system picks for models that fit those criteria. If you already have a router with security features, make sure the protection toggle is on and the firmware is current before deciding on a replacement.

What to pick for your use

Questions

Where is malware protection on my router?

Open the router’s mobile app or web admin page and look for a Security, Protection, Firewall, or Threat Prevention section. The feature is often named AiProtection, HomeShield, Armor, or a similar label. If you cannot find it, check the app’s subscription or add-on page or look for DNS-based protection settings.

Does router malware protection replace antivirus software?

No. Router malware protection blocks malicious websites and quarantines infected devices at the network level, but it does not scan or clean files on a computer. Keep antivirus software active on each computer as a separate layer, especially for devices that handle email and downloads.

Will enabling malware protection slow down my internet?

Routers inspect traffic as it passes through, so a security feature can add a small amount of processing time. On modern routers the effect is usually not noticeable for normal browsing and streaming. If you see a slowdown, check the router’s security logs for the specific feature that is active and confirm firmware is up to date.

How do I know if my router is blocking malware?

The router app or admin page should show a security log, protection history, or alert section. When the router blocks a known malicious domain, it records an entry with the device and destination. If you see no log, check whether the protection toggle is actually enabled or whether the license or subscription has expired.

Can I add malware protection to an old router?

Yes, in a limited way. You can change the router’s DNS server to a service that blocks malicious domains, which stops many known bad sites. You cannot add deep packet inspection or advanced quarantine features if the router hardware does not support them. If the router no longer receives firmware updates, replacing it is the safer option.

What is the difference between router malware protection and WPA3?

WPA3 is a Wi-Fi security protocol that encrypts traffic and protects the network from password guessing and management frame forgery. Router malware protection blocks traffic that goes to malicious destinations. They work together: WPA3 protects the connection, while malware protection watches what devices are trying to reach.