Bank Fraud Help · Monaco
Compagnie Monégasque de Banque Fraud: How to Report It and Stop the Money
If money left your Compagnie Monégasque de Banque account without your permission, or you paid a scammer, contact Compagnie Monégasque de Banque straight away and ask it to block the payment and your card. The first minutes matter most.
Do this first
- Call Compagnie Monégasque de Banque’s official line below, or use help inside the official Compagnie Monégasque de Banque app. Never use a number from a text, a caller or a search result.
- Give them the transaction details (amount, time, and the account or number you paid) and ask them to block your card and stop or recall the payment.
- Change your online banking password and PIN if anyone may know them. Compagnie Monégasque de Banque will never ask for your PIN, password or a one-time code.
- Report it to the police too: see who handles cybercrime in Monaco, and keep screenshots of every message and payment.
Official Compagnie Monégasque de Banque fraud contacts
Compagnie Monégasque de Banque (CMB)
Bank- Main switchboard:+377 93 15 77 77(9am–6pm)
Email: [email protected]
Report phishing: [email protected]
Know this about Monaco
- The CMB switchboard is staffed in office hours only. For a lost or stolen card at night, use the 24/7 card-blocking number on the back of your card or on CMB's 'SOS perte et vol' page.
- CMB asks you to forward suspicious messages to [email protected] without replying or clicking any links.
Report it to the police too
Cybercrime agencies in Monaco lists who to report to.
Common questions about Compagnie Monégasque de Banque fraud
- What is the Compagnie Monégasque de Banque fraud helpline number?
- Compagnie Monégasque de Banque lists these numbers on its own website: Main switchboard: +377 93 15 77 77 (9am–6pm). Always dial the number printed on your card or shown in the official app if you are unsure.
- How do I report fraud to Compagnie Monégasque de Banque?
- Call Compagnie Monégasque de Banque's official line, or report it by email: [email protected]. Tell them the amount, the time and the account the money went to, and ask them to block your card or the payment.
These contacts were read on Compagnie Monégasque de Banque’s own website on 3 October 2026. If a number has changed, use the one in the official app and tell us. Ministry of Cyber Affairs is not Compagnie Monégasque de Banque and cannot recover money. All Monaco providers are in Bank Fraud Help: Monaco.