Manage Servers with Confidential Information

Important Steps for Configuring Active Directory



  • Keep domain controller logs centrally.
  • Keep security logs from all domain joined servers centrally.
  • Create and monitor alerts on:
    • The use (success or failure) of any domain administrator credentials.
    • The use of any local administrator credentials.
    • Changes to domain administrator or other sensitive groups in AD.

Cached Credentials:

  • Use GPO to set cached credentials on servers to the minimum you possibly can (0 or 1 for servers - for desktops, you may find...
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Securely overwrite or destroy physical media

Securely overwrite disk drives in servers at a block level or physically destroy when the server is removed from service or disk drives are permanently removed from servers.

Report possible breach, loss or theft of confidential information

The University CISO (see and the OGC must be informed of any known or suspected breach of a server containing confidential information. In addition, the University maintains a whistleblowing policy. The policy is intended to encourage all members of the Harvard community to report suspected violations of law or Harvard policy. The policy provides a mechanism for reporting and investigating suspected violations, including a Compliance Hotline which is available to University affiliated persons wishing to remain anonymous when reporting concerns...

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Use software to review logs

Use software (e.g. Splunk) to periodically review the server and application logs to see if the system is under attack (e.g., many bad password guesses) and that the users are following documented practices (e.g., not logging as root).