Supermarket freezers in Belgium and Sweden hit by cyber-attack BBCRefrigeration systems at 13 SuperValu stores hit by suspected cyber attack RTE.ieSupervalu says fridges in 13 stores hit in cyber attack Irish IndependentSupervalu removes frozen and chilled food from shelves at 13 stores after cyberattack on fridges The Irish TimesEuropean supermarket freezers hit just weeks after French cyber attack Financial Times