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Incident response

Someone Is Impersonating the Business

Quick answer

Protect the real accounts and warn affected people through a trusted channel. Preserve the impersonation evidence before requesting takedowns.

Who this is for: Businesses seeing fake domains, social profiles, invoices, or messages sent in their name.

What to do

  1. 01Capture URLs, headers, messages, payment details, and timestamps.
  2. 02Secure email, domain, social, and payment accounts with MFA.
  3. 03Warn customers and suppliers using a known-good contact route.
  4. 04Report the impersonation to the provider, payment service, and relevant authorities.

What this does not cover

Takedown speed and reporting obligations vary by provider and location; do not engage with the impersonator or attempt retaliation.

Authoritative source

CISA Phishing Guidance

Last reviewed: September 16, 2026

This page is educational information, not legal advice or a professional security audit. Check the official requirements and get qualified help when your circumstances require it.

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