Hackers raise temperatures at three French blood bank cold stores

EFS says attackers accessed control systems at three cold-storage sites and raised temperature and defrosting thresholds to very high levels. Staff intervened via existing alarm systems before products were compromised. The article names no CVE, affected product or version, and does not attribute the attack. It frames the incident as part of a wider run of attacks on connected refrigeration and freezer systems across Europe.

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