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How to report suspicious online activity

Do you know what to do if you receive a suspicious email?

If you fall victim to a cyberattack on your Postal Service computer or mobile device, never try to solve the problem yourself.

Instead, notify the CyberSecurity Operations Center (CSOC) immediately and stop using the computer or device.

Also, never forward a suspicious message to anyone, including your manager.

Instead, attach the original message to a new email and send it to CSOC so it can be properly analyzed. To do this, use one of these options:

  • Open the email, then click on “More” (located to the right of “Forward” on the top toolbar) and select “Forward as an Attachment.”
  • Press the Ctrl, Alt, and F keys simultaneously while viewing the email to automatically generate a new email with the message attached.
  • Save the original email as a “.msg” document, then attach it to a new email.
  • Drag the original email into a new email message.

Once you’ve attached the suspicious message to a new email, send it to CSOC at

After you send the suspicious message, delete it.

For more information on reporting cyberattacks, download The Right Way to Report Phishing Incidents sheet on Blue.

The CyberSafe at USPS sites on Blue and LiteBlue have additional information.

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