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Set a Master Password

Setting a master password protects the encryption key used for ciphering policies, scans results, and scan configurations. When a password is set, the applicaton will prompt you for the password whenever the Nessus service restarts.

Note: If your master password is lost, it cannot be recovered by your administrator nor Tenable Network Security Support.


  1. In Nessus, in the top navigation bar, click Settings.

    The About page appears.

  2. Click the Software Update tab.
  3. In the New Password box, type the password that you want to use.
  4. Click the Save button.

    The new password saves.

Copyright 2017. Tenable Network Security, Inc. All rights reserved. Tenable Network Security, Nessus, SecurityCenter Continuous View, Passive Vulnerability Scanner, and Log Correlation Engine are registered trademarks of Tenable Network Security, Inc. All other products or services are trademarks of their respective owners.