Ahold Delhaize reports cyber incident to Dutch police as online services stay down

what happened

Retailer Ahold Delhaize informed Dutch police on Monday about a cybersecurity incident after spotting unusual activity in its infrastructure. The group had already shut some systems earlier this month as a precaution. It attributes the activity to "malicious actions of others" and has not said who may be behind it.

The timing overlaps with an attack in France, where a hacking incident pushed refrigeration units in hundreds of stores to 50 Celsius overnight, triggering fires and spoiled food. The Dutch National Cyber Security Centre sees no direct link between the Dutch case and attacks abroad. Albert Heijn, the country's largest supermarket chain, will not restart online deliveries until Thursday at the earliest, an outage of at least 11 days. Online makes up roughly 10% of its sales. In the US, websites for Stop & Shop, Giant Food, Hannaford and Food Lion remain offline a week after the breach, with e-commerce expected back "in the coming days." The company has said there is no evidence customer data was taken.

why it matters

For markets this is mainly an operational risk rather than a systemic shock. Still, a prolonged halt to online sales and supply disruptions could weigh on revenue and change how investors judge the group's cyber resilience. The key questions now are the scale of the damage in the US and how quickly services are restored.

market impact

Ahold Delhaize: online sales outage and supply disruption weigh on the grocer's revenue

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