Investigators hunt French supermarket fridge hackers, no claim of responsibility
PARIS — French investigators on Tuesday were hunting the hackers who seized control of cooling units at hundreds of supermarkets in a cyberattack that underlined the vulnerabilities of connected systems, with no group publicly claiming responsibility. The absence of a claim of responsibility by hacktivists or a ransom demand by cybercriminals has puzzled investigators, according to a source with knowledge of the probe. Typically, such groups tend to quickly seek to monetise their hacks or claim credit for them for political ends. The cyberattack, which manually overrode the temperatures at fridges in supermarket groups including Carrefour, Monoprix, Intermarche and Cooperative U, appears to have been easy to pull off, three cyber experts told Reuters. Staff at some Paris supermarkets threw boxes full of perished meat and frozen goods into giant trash containers on Tuesday. At least 350 supermarkets — a small fraction of the total number in France - were caught up in the strike. Firm blames outdated software The affected fridges relied on software by Danish firm Danfoss. On Monday, Danf
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