PARIS — France on Monday attributed last month's cyberattacks on supermarket refrigeration systems to Iran's Islamic Revolutionary Guard Corps and said it would seek European Union sanctions against those responsible^1,2,3,4.

Foreign Minister Jean-Noël Barrot told reporters the October incidents were carried out by the IRGC and described them as unmatched in scale and aggression^1,2,4. Politico Europe said he spoke at a G7 meeting in Paris and put the French impact at 700 food distribution sites³. ABC News Australia said France also summoned Iran's ambassador².

The October 11-12 hacks remotely raised temperatures in fridges and freezers, spoiling fresh and frozen food and forcing stores to pull stock, according to the reports^1,2,4. BBC said the losses were estimated in the millions of euros¹.

Paris prosecutor Laure Beccuau said a judicial investigation had been opened against the head of Shahid Kaveh, described as an IRGC-linked offensive cyber unit, two deputies, and others who may be identified, ABC reported². BBC said Iran had not yet responded to Barrot's allegations¹.

A later wave last week hit stores in other European countries; Politico Europe also reported targeting of French blood banks. Barrot's attribution applied to the French October attacks, and officials did not say the later incidents were linked^1,2,3. Politico recalled earlier speculation about Russia and a Kremlin denial³.