Today, wireless networks have become an integral part of life, but few people think about what encryption protocol protects their data. Wi-Fi security type — This is a fundamental parameter that directly affects the ability of attackers to crack a password and intercept traffic. If you use an outdated encryption standard, even the most complex password can be cracked in minutes using automated scripts.
Understanding the differences between protocols is essential for every router owner, whether it's a home network or an office infrastructure. In this article, we'll take a detailed look at how visually and programmatically determine the current security standard, how they differ, and why some of them absolutely cannot be used in modern conditions.
First, it's worth noting that most devices automatically select the best available method, but manual control is always a good idea. You should know exactly which algorithm is currently running on your network.
Key wireless encryption standards
The history of Wi-Fi security development spans several generations, each bringing its own vulnerabilities and improvements. The first widespread standard was WEP (Wired Equivalent Privacy), which is now considered completely hacked and unusable. It was replaced by WPA (Wi-Fi Protected Access) as a temporary solution, and then a more reliable one appeared WPA2.
At the moment, the current and recommended standard is WPA3, which fixes many of the security holes in previous versions. However, compatibility of older devices with the new protocol is often limited, forcing users to stick with WPA2-Personal.
- 🔒 WEP is an outdated protocol from 1997 that can be cracked in 1-2 minutes.
- 🛡️ WPA (TKIP) is a temporary solution and is also considered insecure for modern networks.
- 🔐 WPA2 (AES) is the current industry standard, providing strong security even with complex passwords.
- 🚀 WPA3 is the latest standard with improved protection against brute-force password attacks.
⚠️ Warning: If your router only supports WEP or WPA (TKIP), it needs to be replaced. Using such networks is like storing your money in a glass case.
The differences between these standards lie in the data encryption algorithms. While WEP uses static keys, modern protocols employ dynamic key rotation, making data interception virtually useless for an attacker.
Checking the security type on Windows and macOS devices
You can determine the current security type on your computer without accessing your router settings by simply viewing the properties of your active connection. In Windows, this can be done through the Network and Sharing Center. Right-click the Wi-Fi icon in the system tray and select "Properties" or go to Network and Internet settings.
In the window that opens, find the "Security type" field. This is where you'll find the protocol currently being used. If you see WEP there, that's a warning sign.
Why does Windows show "No Internet access" when changing security type?
When switching a router from WPA2 to WPA3, older devices may lose connectivity because they don't understand the new encryption protocol. The system will attempt to connect using the old method, but the router will reject the connection, requiring WPA3.
On Apple macOS computers, the procedure is similar, but the interface is different. Hold down the key Option and by clicking on the Wi-Fi icon in the menu, you will see detailed technical information, including the line "Security".
- 🖥️ Windows: Control Panel → Network and Sharing Center → Wireless Network Properties.
- 🍎 macOS: Wi-Fi menu + Option key → Security line.
- ⌨️ Linux: Team
nmcli -f active,security dev wifiin the terminal.
If the router operates in mixed mode WPA/WPA2, the system will show the protocol that was selected for a specific communication session.
Security Diagnostics on Android and iOS
Mobile devices also provide information about the connected network, although OS manufacturers often hide technical details from the average user. On Android smartphones, the path may vary depending on the manufacturer's operating system (MIUI, OneUI, ColorOS).
Usually, it's enough to go to the Wi-Fi settings and click on the current network name or the gear icon next to it. Under "More" or "Advanced Settings," you can often find the "Security" option. The protocol will be listed there, for example, WPA2-PSK.
In the Apple iOS ecosystem, the situation is more complex. The iPhone doesn't clearly display the encryption type for a connected network using standard tools. However, if you attempt to connect to a network with an open security setting or a known vulnerability, the system may display a "Weak Security" warning.
⚠️ Note: On Android, when scanning a QR code to connect to Wi-Fi, the encryption type (e.g., T:WPA) is often included in the code string. Be careful when manually decrypting it.
Deep analysis on mobile platforms often requires specialized analysis applications such as WiFi Analyzer or FingThey scan the airwaves and provide a complete list of available networks, indicating their security type.
Analyzing settings via the router's web interface
The most reliable way to find out your router's security type is to look under the hood. To do this, you need to enter the device's IP address (usually 192.168.0.1 or 192.168.1.1) in the browser's address bar. After entering the administrator login and password, the control panel will open.
You need to find the section related to wireless mode. It may be called Wireless, Wi-Fi Settings, Wireless network or WLAN. Within this section, look for the “Security” subsection (Security).
Typical path in the router menu:
Advanced → Wireless → Wireless Settings → Security Mode
This is where it is configured version of protection (Version) and encryption (Encryption). If you have either "Disable" or "Open" checked, your network is not password protected. If you select WPA2-PSK [AES], this is a good indicator.
☑️ Checking router settings
Pay attention to the operating mode. Often, the default setting is "Auto" or "Mixed," which allows older devices to connect but reduces the overall security level to that of the weakest link.
Comparison table of security protocols
To systematize our knowledge, let's review the key differences between the protocols in a table. This will help you quickly navigate the terminology and understand why transitioning to the new standard can be challenging.
| Protocol | Year of implementation | Encryption algorithm | Security status |
|---|---|---|---|
| WEP | 1997 | RC4 | Critically vulnerable |
| WPA | 2003 | TKIP | Deprecated, not recommended |
| WPA2 | 2004 | AES (CCMP) | Reliable standard |
| WPA3 | 2018 | GCMP-256 | Maximum protection |
As the table shows, the transition from TKIP to AES was a revolutionary step. The algorithm AES (Advanced Encryption Standard) is even used in US government agencies to protect classified data.
The choice in the router settings often looks like a combination of options, for example, WPA2-PSK [TKIP] + WPA-PSK [AES]This configuration provides backward compatibility, but theoretically reduces the security of the entire network to the WPA level if an older device connects.
Specialized software for Wi-Fi auditing
Special utilities are used to professionally assess network security or find hidden networks. On Windows PCs, the popular program inSSIDer or Acrylic Wi-FiThey show not only the security type, but also the signal strength, channels, and airtime load.
Linux users often use console utilities like iwlist or graphical interface NetworkManager. Team iwlist scanning Displays a detailed list of all available access points, including their capabilities.
There are also penetration testing tools such as Aircrack-ng, but their use requires in-depth knowledge and a legal basis (testing your own network). For the average user, built-in OS tools or simple analyzers are sufficient.
⚠️ Note: Router interfaces and menu names may vary depending on the manufacturer (TP-Link, Asus, Keenetic, MikroTik). Search for keywords: Security, Encryption, Auth Mode.
FAQ: Frequently Asked Questions
Is it possible to crack WPA2 AES?
In theory, yes, but in practice, it's extremely difficult. Hacking is only possible by brute-forcing the password or by exploiting a WPS vulnerability. If you set a complex password (more than 12 characters, numbers, and special characters) and disable WPS, the network is considered secure.
Why doesn't my old printer see the network after changing the security type?
You've likely switched your router to "WPA2 or WPA3 Only" mode, and your printer only supports the legacy WPA (TKIP) or WEP protocol. You'll need to either revert to mixed mode (which will reduce security) or replace your printer with a more modern model.
What is the difference between WPA-Personal and WPA-Enterprise?
WPA-Personal (PSK) uses a single shared password for all users, suitable for home use. WPA-Enterprise requires an authentication server (RADIUS) and individual logins/passwords for each employee, which is necessary for large offices.
Should I enable WPA3 if my router supports it?
It's definitely worth it if all your devices support this standard. WPA3 even protects against attacks where an attacker intercepts the handshake during connection. However, if you have older devices, they may stop connecting.
In conclusion, regularly checking your Wi-Fi security is a basic digital hygiene skill. Don't be lazy and check your router settings at least once a year to ensure your "digital home" is secured with a reliable lock, not the flimsy clasp of outdated protocols.