Hackers reportedly raise supermarket freezer temperatures in Sweden to 55°C
- Severity
- High
- Sources
- 1
What happened
Swedish reports say ICA and Coop stores were hit overnight into 2 November, with temperatures up to 55°C, and ICA says the shops had connections outside its central network. No controller models, entry point, vulnerability or attacker has been confirmed, and no CVE is attributed. CERT-FR's earlier alert on the French incidents named Danfoss AK-SM and AK-SC, and Copeland and Dixell xweb controllers. Defenders should remove public internet exposure of refrigeration management interfaces, review settings including defrost schedules, restore remote access only via a secure VPN, apply firmware updates and replace default passwords.
For security analysts · Written by AI from 1 source · Wrong?
What to do
- Remove public internet access to refrigeration controller management interfaces.
- Check controller settings, including defrost schedules, for unauthorised changes.
- Restore remote access only through a secure VPN or protected network.
- Apply firmware updates and change default passwords on connected refrigeration controllers.
Written by AI from the sources, checked against them
Full story timeline · 1 update
Who reported · 1 outlet
Who and what is in it
Government agencies