What is a Spoofed Email and How Should Healthcare Clinics Respond?
Ayana Guzzino • August 21, 2025
How to Spot, Prevent, and Respond to Spoof Emails for Healthcare Settings
Email is one of the most common ways healthcare offices communicate — with patients, vendors, and within their own teams. Unfortunately, it’s also one of the most common ways cybercriminals try to gain access to sensitive information.
One of the most deceptive tactics is the spoof email. In this blog, we’ll break down what spoof emails are, how to spot them, how to prevent them, and what to do if your office — or your patients — receive one.
What Is a Spoof Email?
A spoof email
is a fraudulent message designed to look like it came from someone you trust — a coworker, your clinic, or even a vendor you regularly work with. Cybercriminals forge the “From” address so that the email appears to come from a legitimate source, even though it did not originate from that account.
For example:
- A message that looks like it’s from your doctor asking you to open an attachment.
- An email appearing to come from a coworker requesting urgent action.
- An attached “voicemail” or “secure document” that looks like it’s sent from a colleague but actually contains malicious software.
How to Detect a Spoof Email
Spoof emails are designed to look convincing, but they usually carry warning signs. Train your team to pause and check for:
- Unexpected attachments or links — especially audio files, invoices, or zip files.
- Urgent or alarming language (“Your account will be closed!”).
- Sender display name vs. email address — the display name may match, but the actual email address may tell a different story.
- ✅ Example: dr.smith@myclinic.com
- ❌ Spoofed example: dr.smith@mycl1nic.com (notice the “1” instead of “i”).
- How to check: Hover over the sender’s name with your mouse (or tap on a phone) to reveal the full email address. Always peek under the name before trusting it.
- Grammatical errors or unusual phrasing — subtle signs of something not right.
- Suspicious headers — IT teams can check message headers to see if the email really came from your domain.
Tips to Minimize Spoof Emails in Your Clinic
While you can’t stop cybercriminals from attempting spoofing, you can make it harder for them to succeed:
- Work with your IT company to enable SPF, DKIM, and DMARC records on your email domain.
- These are special security settings that tell email servers which senders are authorized to use your domain name. If they aren’t set up correctly, attackers can more easily pretend to send emails as your clinic. Your IT company should be able to confirm whether you already have them in place and help configure them if you don’t.
- Train staff regularly on phishing and spoofing awareness. Even one click on a bad link can compromise security.
- Use multifactor authentication (MFA) for all accounts to add an extra layer of protection.
- Verify requests by another method — if you get a strange email from a coworker, call or message them directly before acting.
How to Respond if Your Clinic Receives a Spoof Email
If your office gets a suspicious message that appears to come from your own domain or staff:
- Do not click links or download attachments.
- Report it immediately to your IT or compliance team.
- Document the incident — and be sure to contact your HIPAA compliance provider for guidance on properly recording and addressing these types of events.
- Warn your staff so others know not to interact with the message.
- Work with IT to review headers and confirm it was spoofing, not a compromised account.
What If Patients Receive Spoof Emails That Look Like They Came from You?
This can be especially damaging to patient trust. If you learn patients have received spoofed messages appearing to come from your clinic:
- Notify patients ASAP— acknowledge that the email did not come from your office.
- Give clear instructions — tell them not to click links, open attachments, or reply.
- Provide reassurance — explain that their medical records and patient portals remain secure, and that this was a spoof, not a breach of your systems. *After confirming it was a spoofing email, not a compromised account.
- Share prevention tips — encourage patients to verify suspicious messages by calling the clinic directly.
- Continue monitoring — if spoofing persists, work with IT to tighten email authentication settings.
Spoof emails are a growing threat in healthcare because they exploit trust
— the trust patients place in their providers and the trust staff place in their colleagues. By educating your team and your patients, enabling the right protections, and responding swiftly when an incident occurs, your office can turn a potentially damaging attack into an opportunity to build stronger awareness and confidence in your security practices.
FAQ: Email Spoofing in Healthcare
Is email spoofing illegal?
Yes. It is considered fraud and, in healthcare, spoofing can lead to HIPAA compliance issues if patient information is exposed.
What does a spoofed email address look like?
It may look almost identical to a real one — for example:
- Real: dr.smith@myclinic.com
- Fake: dr.smith@mycl1nic.com (with a “1” instead of an “i”).
What happens if I open a spoofed email?
Opening it alone usually won’t cause harm. The danger comes from clicking links, downloading attachments, or replying.
Can spoofed emails be stopped completely?
Not entirely, but they can be minimized. Setting up SPF, DKIM, and DMARC with your IT company, training staff, and enabling multifactor authentication all reduce the risk.
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