Lyce · Hybrid Watch

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Estonia: supermarket refrigeration set to 50°C in a reported cyberattack

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On 2 November 2026, refrigeration supplier Kitman Coldtech told ERR News that attackers had accessed the control computer of an older Danfoss refrigeration system at an Estonian supermarket and changed its temperature setting to 50 degrees Celsius. CEO Jann Mutso said the incident was addressed within ten minutes and no damage was caused. He reported other attacks in Estonia without an established count. The English report does not identify the affected chain. A technical resemblance to attacks abroad does not establish a common perpetrator or a coordinated campaign.

Occurrence
Publication
First observed
Countries
Estonia
Updated

Attribution

Not specified

Facts

Established

  • Kitman Coldtech CEO Jann Mutso told ERR News that an Estonian supermarket refrigeration control system had been attacked on 2 November.

Alleged

  • The supplier described unauthorized access to an older Danfoss control computer and a temperature setting changed to 50 degrees Celsius.
  • The supplier reported attacks on other Estonian clients but did not establish a count.
  • The supplier said the incident was addressed within ten minutes and no damage was caused.

Unknown

  • The responsible actor and any operational link to the incidents in other European countries are not established.
  • The source does not establish Russian state responsibility.
  • The source does not establish involvement by a Russian actor.

Sources

  1. Role
    Primary evidence
    Publication

    Kitman Coldtech CEO Jann Mutso told ERR News that attackers accessed an older Danfoss refrigeration control computer at an Estonian supermarket and set its temperature to 50 degrees Celsius. He said the incident was addressed within ten minutes, with no damage, and reported other attacks without an established count.