How to Share Your WiFi Password Securely

Every time a guest, tenant, Airbnb visitor, or client comes to your home or office, the first question is usually: "What's the WiFi password?" Most people either read it out loud, write it on a whiteboard, or text it. All of these leave your password exposed.

While it might seem low-stakes compared to sharing a bank password, your WiFi password grants access to your network — and potentially to every device connected to it. Here's how to share it safely.

Why WiFi Password Security Matters

Your WiFi network isn't just internet access. Someone connected to your network can potentially:

• See other devices on the network (printers, smart home devices, NAS drives)
• Intercept unencrypted traffic from other devices on the same network
• Launch attacks against other devices on the local network
• Use your internet connection for illegal activity that traces back to your IP address
• Access shared folders and printers that are open to the local network

This is especially important for businesses, co-working spaces, and Airbnb hosts where many different people connect over time.

Safe Ways to Share Your WiFi Password

1. Use a Self-Destructing Link

For sharing your WiFi password remotely (before a guest arrives, with a new tenant, or with a client), use a self-destructing encrypted link. Paste the WiFi name and password into Authly Send, get a one-time link, and send it. The guest opens the link, copies the password, and the link dies. No persistent text message or email containing your WiFi password.

2. Set Up a Guest Network

Most modern routers support creating a separate guest network. This gives visitors internet access on an isolated network that can't see your main devices. You can share the guest network password freely (and change it regularly) without risking your primary network's security.

3. Use a QR Code

Print or display a WiFi QR code that guests can scan with their phone camera. Most modern phones (iOS and Android) automatically connect to WiFi when scanning a WiFi QR code. The password isn't visible — guests connect without ever seeing it. You can generate WiFi QR codes with free online tools.

4. Apple/Android Native Sharing

If both you and the guest use Apple devices (iPhone, iPad, Mac) on the same Apple ID ecosystem, iOS can share WiFi credentials automatically via AirDrop-like proximity sharing. Android has similar features for sharing via Nearby Share.

What to Avoid

• Writing it on a whiteboard or sticky note — Visible to everyone, including people who shouldn't have it. Often photographed and shared further
• Texting or messaging it — Creates a permanent record in the message history. When the guest shares it from their phone, it spreads further
• Using a simple or common password — "password123" or your business name + year are easily guessable
• Never changing it — If you've shared your WiFi password with 50 guests over two years, 50 people (and anyone they shared it with) have access

Best Practices for WiFi Password Management

1. Use a strong, unique password — At least 16 characters, mix of letters, numbers, and symbols
2. Enable WPA3 encryption (or at minimum WPA2) — Never use WEP or an open network
3. Create a guest network for visitors — Isolate them from your main network
4. Rotate the guest password regularly — Monthly for offices, after each guest for Airbnbs
5. Share securely — Use a self-destructing link or QR code instead of plain text
6. Disable WPS — WiFi Protected Setup has known vulnerabilities

For Airbnb Hosts and Co-Working Spaces

If you regularly share WiFi access with different people, consider this workflow:

1. Set up a dedicated guest network
2. Before each guest/group arrives, change the guest network password
3. Share the new password via a self-destructing encrypted link with a 24-hour expiration
4. After the guest leaves, the password changes again — and the link is already dead

This ensures no previous guest retains access, and there's no accumulation of shared passwords in text messages.

Share Your WiFi Password Securely

Need to share a WiFi password right now? Authly Send encrypts it in your browser and creates a self-destructing link. The recipient opens it once, copies the password, and the link is gone. Free, no signup required.