INSPECTING ARCHIVED INTELLIGENCE (OUTDATED VERSION).

Ahold Delhaize Hit by Cyberattack Disrupting Services

| 2026-10-20 13:02 HIGH LOW DATA BREACH DDOS & DISRUPTION
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Executive Summary
AI-generated
Ahold Delhaize, a Dutch-Belgian grocery giant, experienced a cyberattack that disrupted its online services, including orders and deliveries across Europe and the US. The incident occurred on October 12 when the company took its systems offline in response to "a security issue" within its network. Many of its European websites and applications are now restored, with Albert Heijn's home deliveries expected to resume by Friday. E-commerce services at Ahold Delhaize's US brands are also expected to be restored within days. The attack affected most of the company's brands across Europe and the United States, but stores remained open throughout the incident. The Dutch National Cyber Security Centre (NCSC) was notified shortly after discovering the attack, and a formal police report has been filed.
Technical Mitigations AI-generated
• Patch the vulnerability in Ahold Delhaize's systems by addressing the "security issue" within its network. • Detect and block malicious traffic to prevent similar cyberattacks on their European websites and applications. • Implement a robust incident response plan, including notification of relevant authorities like the Dutch National Cyber Security Centre (NCSC), to minimize downtime and data breaches.
Intelligence Metadata
Actors / Malware / CVEs / Campaigns
Target & Sectors
BENELUX BENELUX NORTH_AMERICA NORTH_AMERICA retailretail
Incident Timeline
‎October 12
Threat actors launched a cyberattack on Ahold Delhaize, prompting the company to take its systems offline in response to a security issue.
target_region United States
On October 12, the company took its systems offline in response to “a security issue” within its network, which impacted its online services, including orders and deliveries across Europe and the US.
target_region EUROPE
On October 12, the company took its systems offline in response to “a security issue” within its network, which impacted its online services, including orders and deliveries across Europe and the US.
‎2026/10/13
Threat actors launched a cyberattack against Ahold Delhaize, affecting some of its services.
target_region Netherlands
Dutch-Belgian grocery giant Ahold Delhaize has restored some of the services impacted by last week’s cyberattack and expects more to come back online within days.
‎2026/10/20
Ahold Delhaize's US e-commerce services were disrupted by a cyberattack, with the company notifying authorities and taking precautions to protect its systems.
organisation Medi-Cal Members Affected
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organisation Paradigm Healthcare Data Breach
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data_breach 1.8 Records
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data_breach 970,000 Cal Members
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organisation Data Breach
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organisation iRhythm Data Breach Impacts
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organisation the Dutch National Cyber Security Centre
The company says it notified the Dutch National Cyber Security Centre (NCSC) and relevant authorities shortly after discovering the attack and filed a formal police report this week.
organisation NCSC
The company says it notified the Dutch National Cyber Security Centre (NCSC) and relevant authorities shortly after discovering the attack and filed a formal police report this week.
organisation Delhaize
Although this incident was caused by the malicious actions of others, we apologize for the inconvenience this has caused – especially to our customers,” Ahold Delhaize president and CEO Frans Muller said.
Tactical Metrics
Metrics
data_breach
1,800,000
Records
Related: Hackers Steal 1.8 Million Records From Nikkei Related: 970,000 Medi-Cal Members Affected by Paradigm Healthcare Data Breach Related:
Metrics
data_breach
970,000
Cal Members
Related: Hackers Steal 1.8 Million Records From Nikkei Related: 970,000 Medi-Cal Members Affected by Paradigm Healthcare Data Breach Related:
Intelligence Sources
SecurityWeek 2026-10-20