ABN AMRO supplier attacked by ransomware

One of ABN AMRO’s suppliers, AddComm, has been the victim of a ransomware attack. As a result, unauthorised parties had access to data of a limited group of ABN AMRO clients.

Based on data provided by ABN AMRO through a secure portal, AddComm distributes documents and tokens physically and digitally to clients and employees.

Research by external security experts working for AddComm has shown that data of a limited group of ABN AMRO clients were stolen. Our priority is to inform our clients and take measures to minimise the impact of this data breach as far as possible. We are writing to the clients concerned to inform them.

We are writing to the clients whose data were stolen to inform them.

With advice from external cybersecurity experts, AddComm has made agreements with the cybercriminals about deleting and not publishing the stolen client data. We cannot rule out the possibility of misuse, but there are no indications of this at the moment. Stay alert to phishing – see also "What can I do myself?".

AddComm engaged external cybersecurity experts as soon as it discovered the ransomware and then notified its customers, one of which is ABN AMRO. With advice from external cybersecurity experts, AddComm has made agreements with the cybercriminals about deleting and not publishing the stolen client data.

No, ABN AMRO's systems have not been affected by the ransomware attack. We will continue to closely monitor our systems 24/7, as always.

Yes, the bank's systems have not been affected by the ransomware attack.

With advice from external cybersecurity experts, AddComm has made agreements with the cybercriminals about deleting and not publishing the stolen client data.. Stay alert to phishing – see also "What can I do myself?".

ABN AMRO has reported the data breach to the Dutch Data Protection Authority and regulators.

• Hang up the phone immediately

• Get in touch with ABN AMRO

• Report the fraud to the fraud helpdesk and the police.

• Don't provide personal data if you don't trust the situation.