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Network Security Key
KNOWLEDGE BASE // WIFI BASICS

What Is a Network Security Key?

BY ARUN DASS

Quick Answer

A network security key is the password used to authenticate and encrypt a WiFi connection, most commonly a WPA2 or WPA3 passphrase. It's the same thing as your WiFi password. You can find it printed on your router, in your router's admin page, or in your device's saved WiFi network settings.

Is a Network Security Key the Same as a WiFi Password?

Yes. "Network security key" is simply the more formal term, and it's the exact phrase Windows uses when it asks you to connect to a network. Router manufacturers, ISPs, and IT documentation all use it interchangeably with "WiFi password," "wireless password," and "WPA key." If a screen asks for your network security key, it wants the same string of characters you'd type in anywhere else to join your WiFi.

What Are the Different Types of Network Security Keys?

Not all network security keys offer the same protection. The type is set by the WiFi security protocol your router uses:

ProtocolStatusShould You Use It?
WEPBroken, decades oldNo — crackable in minutes
WPAOutdatedNo — superseded by WPA2
WPA2Current baselineYes — the minimum acceptable standard
WPA3Newest, strongestYes — default on most routers since 2020

If your router's admin page still offers WEP or WPA as an option, don't select them. Use WPA2 at minimum, and WPA3 if your router and devices both support it.

How Do I Find My Network Security Key on My Router?

Most routers ship with a default network security key printed directly on a sticker on the bottom, back, or side of the device, usually labeled "WiFi Password," "Security Key," "WPA Key," or "Network Key." If you've since changed it and forgotten the new one, log into the router's admin page (typically 192.168.1.1 or 192.168.0.1) and look under the Wireless or WiFi settings section, where the current key is usually displayed or can be reset.

How Do I Find My Network Security Key on Windows?

  1. Right-click the WiFi icon in the taskbar and open Network & Internet settings.
  2. Click Advanced network settings, then select your WiFi adapter and open Network and Sharing Center (or search for it directly from the Start menu).
  3. Click your WiFi network name, then Wireless Properties.
  4. Open the Security tab and check Show characters — your network security key appears in the Network security key field.

How Do I Find My Network Security Key on a Mac?

  1. Open Keychain Access (search for it with Spotlight).
  2. Find your WiFi network name in the list of passwords and double-click it.
  3. Check Show password, then authenticate with your Mac's admin password.
  4. Your network security key appears in the password field.

How Do I Find My Network Security Key on an iPhone or Android?

On an iPhone running iOS 16 or later, open Settings → WiFi, tap the info icon next to the network, then tap Password and authenticate with Face ID or a passcode. On Android, the exact steps vary by manufacturer, but most versions let you open Settings → WiFi, tap the connected network, and select Share to display a QR code plus the password in plain text. Neither platform lets you view a key for a network you've never joined from that device.

What Should I Do If I Forgot My Network Security Key?

Start with a device that's already connected, since the steps above will reveal a saved key without needing to reset anything. If nothing you own has connected before, check the default key printed on the router label; it still works unless someone changed it. As a last resort, a full factory reset restores the router to its default key, but it also wipes any custom settings, so treat it as the final option, not the first one.

Is My Network Security Key Actually Secure?

A strong network security key is necessary, but it isn't sufficient. Weak or default keys remain one of the most common ways home networks get compromised, automated tools scan for and crack them constantly. But even a strong WPA3 passphrase only controls who can join your network. It says nothing about what a device does once it's already connected, which matters because a fair number of the devices on your network aren't people typing in a password; they're smart plugs, cameras, and TVs that were pre-authorized once and never checked on again.

That's a different problem than the key itself, and it's the one a solid home network setup and ongoing smart home security hygiene both have to account for. If you're auditing your router more broadly, our guide to router firmware vulnerabilities covers the other half of the picture.

EdgeDefenseAI doesn't replace your network security key; it watches what happens after a device has already used it, flagging anything on your network that starts behaving unlike itself.

See EdgeDefenseAI in Action

Frequently Asked Questions

What is a network security key? A network security key is the password used to authenticate and encrypt a WiFi connection, most commonly a WPA2 or WPA3 passphrase. It's the same thing as your WiFi password.

Is a network security key the same as a WiFi password? Yes. "Network security key" is the formal term Windows and router manufacturers use for what everyone else calls a WiFi password. They refer to the exact same string of characters.

How do I find my network security key? Check the sticker on the bottom or back of your router first, most ship with a default key printed there. If you changed it, log into your router's admin page, or check your saved WiFi settings on a device already connected to the network.

What is the difference between WEP, WPA, WPA2, and WPA3? They're WiFi security protocols in order of age and strength. WEP is broken and should never be used. WPA improved on it but is also outdated. WPA2 is the current baseline most networks use. WPA3 is the newest and strongest, and is on by default on most routers sold since 2020.

What should I do if I forgot my network security key? Look it up from a device already connected to the network, check the router label for the default key, or log into the router admin page to view or reset it. A full factory reset is the last resort since it erases all custom settings.