WPA key definition
A WPA key, or Wi-Fi Protected Access key, or simply WPA password, is a security measure used to protect wireless networks. It functions as a passphrase or password, allowing users to access a secured Wi-Fi network protected by the WPA security protocol. This key allows only authorized users to connect to the network.
See also: internet security, network security protocols
WPA key examples
- Home Wi-Fi: WPA keys are commonly used in securing home Wi-Fi networks, where the key is needed to connect devices like smartphones, laptops, or smart TVs to the internet.
- Enterprise networks: Businesses use WPA keys (usually WPA2 Enterprise or WPA3 Enterprise) for a higher level of security that incorporates individual user authentication.
Where to find the WPA password
- Router’s configuration page: Access your router’s settings page through a web browser by entering the router’s IP address, then navigate to the wireless settings to find the WPA password.
- Router’s label: Check the label on your router. It often includes the default WPA password.
- From your computer (Windows): On a Windows computer, open the network settings, select your Wi-Fi network, and view the saved password under the “Show characters” option.
- From your computer (Mac): On a Mac, go to “Keychain access,” find your Wi-Fi network, and see the WPA password by checking the “Show password” box.
- Resetting the router: If you cannot find the WPA password and don’t have access to the router’s settings, reset the router to its factory defaults, which will restore the original WPA password.
Advantages and disadvantages of WPA keys
Pros
- Improved security: WPA keys provide a stronger encryption level compared to the outdated WEP (Wired Equivalent Privacy).
- Compatibility: Most devices released after 2006 support WPA2, making WPA keys widely compatible.
Cons
- Weak passphrase vulnerability: WPA keys can be cracked if weak passphrases are used, putting the network at risk.
- Outdated WPA/WPA2: Although WPA3 is widely available and more secure, many devices and routers still use WPA or WPA2, which have known vulnerabilities.
Using WPA keys
- Use a strong, unique passphrase: Longer phrases that include a mix of letters, numbers, and special characters increase the security of your network.
- Update to WPA3: If your device supports it, upgrading to WPA3 will give you improved security features.