Phishing, CEO fraud and deepfakes: the cyber threats targeting your company

juin 2, 2025
Webinaire cybersécurité pour dirigeants et COMEX

Cybercriminals no longer attack systems, they attack business processes and people. What executives, sales teams and HR need to know.

Phishing today: more targeted, more convincing, more dangerous

The era of clumsy scam emails is over. Phishing is now personalised using AI: the attacker studies your social media, your website and your press releases to craft a message that fits your context precisely. This is what is meant by spear-phishing, and by whaling when executives are the target.

Warning signs: artificial urgency, a request for a payment or for sensitive information, and an email address that has been altered very slightly.

CEO fraud: how it actually works

CEO fraud, also known as business email compromise for payment orders, accounts for hundreds of millions of euros of losses in France every year. The classic scenario: an email or phone call impersonating the CEO or CFO requests an urgent and confidential transfer from an accountant or finance officer.

With voice and video deepfakes, it is now possible to clone an executive’s voice in seconds from a single interview. Finance teams have transferred millions after a video call with a convincingly faked executive.

In 2024, a Hong Kong bank lost 200 million dollars following a deepfake video conference with fake executives. Your company is not immune.

The six threats to know

Threat Main target How to protect yourself
Spear-phishing All employees Training, regular simulations, multi-channel verification
CEO fraud Accountants, finance, HR Mandatory telephone verification procedure
Voice or video deepfake Executives, finance decision-makers Shared spoken passphrase, callback verification
Ransomware The whole organisation Backups, multi-factor authentication, phishing training
Supply chain attack Through your providers Cyber due diligence, contractual clauses
Business email compromise All departments DMARC, DKIM and SPF configured, training

What each function should do

Executives and board

  • Be wary of urgent and confidential requests, even from your own team
  • Agree a verification passphrase with your CFO and your assistant
  • Do not post your diary and travel plans on social media

Sales and presales

  • Always verify the identity of a prospect requesting confidential documents
  • Never share client data or commercial proposals without encryption
  • Be wary of tenders that are suspiciously well targeted, they can be industrial espionage

HR and support functions

  • Never change bank details by email without telephone verification
  • Treat applications with attachments carefully, they can carry malware
  • Use secure recruitment tools rather than a personal mailbox

Key figures

  • 90 % of cyberattacks begin with phishing
  • A 67 % rise in attacks targeting HR functions in 2024
  • Average cost of CEO fraud: €300,000 per incident
  • Average detection time: 207 days
  • 3.4 million unfilled cybersecurity positions worldwide

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