How to Share a Password Over Slack Safely

Slack is where a lot of quick credential handoffs happen. A teammate needs a login, you paste it into a DM or a channel, and everyone moves on. The problem is that Slack is designed to remember everything. A message you send in a rush becomes part of a company archive that is searchable, exportable, and retained according to your workspace policy, often long after the password should have been forgotten.

Why pasting a password into Slack is risky

Even a direct message is not as private as it feels. Consider what a plain-text password in Slack is exposed to:

• Workspace admins can access message history and run exports.
• Search means the credential can resurface months later with a simple query.
• Anyone added to a channel later may be able to scroll back to it.
• Connected apps and integrations may have broad access to messages.
• A compromised account exposes every credential ever sent through it.

Deleting the message afterward helps, but it is easy to forget, and it does not undo exports or backups that already captured it.

Use a one-time link instead

The fix is to keep the password out of Slack entirely while still using Slack to deliver it. Create a one-time link, then paste the link, not the password, into the conversation. The credential is encrypted in your browser, the link works exactly once, and the secret self-destructs after your teammate opens it. What remains in the channel is a link that no longer does anything.

1. Paste the password into Burn the Secret and set a short expiry.
2. Optionally add a passphrase and send it by another route.
3. Drop the generated one-time link into your Slack message.
4. Confirm your teammate opened it, and the secret is already gone.

This same approach works in Microsoft Teams, Discord, or any chat tool. The tool is free, requires no signup to create a link, and encrypts client-side so the server never sees the password.

Need to hand off a login in Slack right now? Create a secure link on Burn the Secret.