One signal

France has accused Iran of being behind cyber-attacks that disrupted supermarket fridges and freezers, the BBC reports. Foreign Minister Jean-Noël Barrot said there would be consequences; the accusation is not proof of responsibility.

The BBC also reports that a Paris prosecutor has opened an investigation into the head of an offensive cyber unit associated with Iran’s Islamic Revolutionary Guard Corps. Iran had not responded at the time of the report. The attacks affected supermarkets across France last month, with food losses estimated at millions of euros. This is a significant new accusation in a case where attribution remains contested, not a settled account of who carried out the attacks.

Discuss: Should governments name a state as responsible for cyber-attacks before an investigation is complete, or does that risk turning suspicion into accepted fact?

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