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Phishing: how to train your employees to detect fake emails

60% of successful cyberattacks exploit human error. Training your teams is your first line of defence. Here's how to implement it.

8 novembre 2025 5 min read Cybersecurity Engineer
PhishingTrainingSecurity
Phishing: how to train your employees to detect fake emails
5 min read

60% of successful cyberattacks exploit human error. Training your teams is your first line of defence. Here's how to implement it.

What is phishing?

Phishing is a technique where an attacker sends a fraudulent email pretending to be a trusted entity (bank, supplier, tax authority, management) to:

  • Steal login credentials
  • Trigger a fraudulent bank transfer
  • Install malware on the computer

In Cameroon, the most common phishing scenarios:

  • Fake email from a "bank" asking to verify account details
  • Fake invoice from a "supplier" with modified bank details
  • Fake email from "management" asking for an urgent transfer

Why employees click

It's not stupidity, it's psychology. Attackers exploit:

  • Urgency: "Your account will be blocked in 24h"
  • Authority: "Message from the Managing Director"
  • Fear: "Suspicious activity detected on your account"
  • Greed: "You have won a prize"

Under time pressure, even a vigilant employee can make a mistake.

The 5 signs that reveal a phishing email

Train your teams to systematically check:

Sign 1: The sender's email address

A legitimate email from your bank comes from @yourbank.cm, not @yourbank-secure.net or @gmail.com. Always check the full address, not just the display name.

Sign 2: Generic greeting

"Dear customer" instead of your name? Suspicious. Legitimate companies personalise their communications.

Sign 3: Sense of urgency

"Act immediately", "Your account will be suspended". This is psychological pressure to prevent you from thinking.

Sign 4: Suspicious links

Before clicking, hover over the link to see the real URL. Does it match the supposed sender's site? When in doubt, don't click.

Sign 5: Request for sensitive information

No legitimate bank, supplier or authority asks for passwords or full bank details by email.

How to structure a training session

Phase 1: Awareness (30 minutes)

Present real phishing examples seen in Cameroon. Show the team how to identify the warning signs. Use screenshots of real fraudulent emails.

Phase 2: Practical exercise (45 minutes)

Send a simulated phishing email to your team (without warning). Note who clicks, who reports it. No punishment — it's a learning exercise.

Phase 3: Personalised debrief (30 minutes)

Review the results with the team. Explain what signs they should have spotted. Congratulate those who reported correctly.

Phase 4: Procedure (15 minutes)

Establish a clear procedure: "If in doubt, I forward to IT/management before clicking." One email address or WhatsApp contact for suspicious reports.

Practical tools

  • GoPhish (free): simulates phishing attacks to test your teams
  • KnowBe4: paid platform, very complete for ongoing training
  • Simple checklist: laminated card on each desk with the 5 signs to check

Results at Unadresse clients

After our phishing awareness sessions:

  • −80% reduction in clicks on simulated phishing emails
  • ×4 increase in suspicious email reports
  • 0 successful attacks via phishing in the 6 months following training

Frequency and renewal

A single training session is not enough. Plan:

  • Initial training: 2 to 3 hours for all staff
  • Quarterly simulation: test via simulated phishing
  • Annual refresher: update on new attack techniques
  • Welcome training: for every new employee

Conclusion

Cybersecurity begins with your employees. The best firewall cannot prevent a motivated user from clicking on a malicious link. Awareness training is your most profitable cybersecurity investment.

At Unadresse, our security awareness workshops are included in the Business and Corporate cybersecurity packages. Contact us for a free demonstration.

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