Cyberattack on Refrigeration Systems in Olsztyn – Expert Commentary by Dr. Denis Solodov for Radio Olsztyn

In early November 2026, cyberattacks targeted refrigeration control systems in supermarkets across several European countries, including Poland. One such incident occurred at a hypermarket in Olsztyn, where disruptions to refrigeration equipment posed a potential risk to food safety.

In a report broadcast by Radio Olsztyn on 3 November 2026, Dr. habil. Denis Solodov, Associate Professor at the University of Warmia and Mazury in Olsztyn, from the Department of Criminalistics and Criminology at the Faculty of Law and Administration, provided expert commentary on the incident.

He highlighted the security risks associated with inadequately protected internet-connected devices. He also referred to an experiment conducted by a French researcher demonstrating that it was possible to gain unauthorised control over a refrigeration unit's controller.

The incident illustrates how cybercrime can have consequences extending beyond the digital environment, affecting commercial infrastructure and consumer safety.

Read the full article and listen to the Radio Olsztyn report:

Refrigeration Failure at an Olsztyn Store: Authorities Confirm Cyberattack – Radio Olsztyn