France has said it rules "nothing" out in response to a cyberattack on supermarket refrigeration units. Iran, however, said it categorically rejected Paris' "baseless and one-sided accusations" of IRGC involvement. France has summoned Iran's ambassador over cyberattacks that disrupted refrigeration systems at hundreds of supermarkets in October. France summoned Iran's ambassador after attributing an October cyberattack on hundreds of French supermarkets to an elite Iranian cyber.