Ethical hacker: grocery freezer hack trivial, info public for years

Swedish ethical hacker Dan Rosenqvist states that the information needed to hack supermarket freezers has been publicly available for a long time, following attacks on grocery stores in Sweden and several other European countries earlier this week. The claim suggests low technical barrier to entry, but the full scope and attribution of the attacks remain unclear. This matters because it indicates a systemic vulnerability in retail cold-chain infrastructure across Europe.

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