Before It Costs You Millions
By Ann Marie van den Hurk, Mind The Gap Advisory
The Problem Nobody Admits
Most deepfake CEO scams aren’t sophisticated. They’re credible enough.
That’s all it takes to short-circuit verification, especially under pressure.
The risk is simple:
If an employee receives an urgent email that looks like it came from the CEO, the default instinct is to comply, not question. Speed beats scrutiny.
Why Deepfake CEO Emails Work
Three friction points make organizations vulnerable:
- Authority bias
People follow senior directives without hesitation. - Synthetically perfect “signals”
Grammar, voice, tone, signature blocks, and logo fidelity now match reality. - Pressure windows
Attackers send messages when teams are distracted or understaffed.
This is no longer a cybersecurity problem. It’s a leadership communication problem.
Red Flags Employees Miss
Even well-trained teams miss the subtle tells. Look for:
Timing that contradicts the CEO’s known behavior
Hyper-urgency (“process immediately,” “no delays,” “private”)
Slight changes in punctuation or cadence
Financial requests that bypass standard controls
Messages sent from mobile with no previous context
Requests to use personal devices or accounts
The most reliable red flag?
A CEO who suddenly sounds extremely decisive on email.
Trust me, employees notice.
The Verification Workflow
This should be institutionalized, not optional:
- Stop
No action is taken until verified. - Check sender metadata
Reverse-lookup, DKIM, SPF alignment. - Call primary verification contact
Never reply to the message. - Confirm through a second channel
Teams, Slack, phone. - Document the event
Create a traceable record.
If your organization doesn’t already have this workflow written into policy, you are operating with your guard down.
The Leadership Failure Nobody Talks About
Deepfake emails win because executives have not set communication norms.
When leaders communicate inconsistently, attackers exploit the gaps.
You fix this by:
Standardizing how directives are issued
Using approved channels
Reducing the number of “one-off” email requests
Making verification cultural, not optional
Executives must show that verification is not insubordination.
The First 10 Minutes of a Suspected Deepfake
Your response team should:
Validate the artifact
Lock down internal comms
Alert security
Review recent suspicious activity
Prepare an internal update
Notify leadership of potential exposure
If these steps don’t already exist in your organization, you’re behind.
When You Need a Ready-Made Response
Most companies improvise. The strong ones prepare.
If you want:
A complete synthetic-attack playbook
Verification workflows
Internal and external messaging templates
Drill scripts for testing your tea
Take a look at the Synthetic Media Rapid-Response Kit, built specifically for incidents like this.
Ann Marie van den Hurk, MSc., APR is the founder of Mind The Gap Advisory and originator of the CrisisOS5™ Framework. She advises CISOs, General Counsel, Chief Risk Officers, and boards on decision authority and executive crisis readiness for the AI era. Based in Newport, Rhode Island — serving organizations in Providence, Boston, Portsmouth, Portland, and Hartford, and across New England, nationally, and globally. mindthegapcyber.com