Notice of IT Security Incident

ColloidTek Oy notifies of an IT security incident on Nov 25, 2025 as a handful of emails and their attachments were accessed by an outside attacker through compromised user credentials for a brief period of time. The data breach was limited to one device and user account.

The attack was quickly noticed, and ColloidTek Oy was able to cease the attack and take immediate security actions to ensure that the attacker had no further access to our systems or data. We are continuing to investigate the issue in-house and with our external IT support. At this moment we have not identified any additional security breaches.

IT-security and privacy are integral part of our business. In accordance with our IT-security policy, we have reported the issue to the Finnish Cybersecurity Office (Kyberturvallisuusvirasto), as well as those customers and individuals whose emails were accessed.