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Incident

Groupe Lactalis

Incident posture

Attack window
Feb 2021
Location
France
Status
Historical
CIA posture
Available to members
Updated
2025-10-26 00:00

Linked entities

Victim
Groupe Lactalis
Threat actors
0 actors
Sources
1 source

Timeline

Occurred
Feb 2021
Discovered
Pending
Disclosed
Pending
Resolved
Pending

Summary

Groupe Lactalis experienced a cybersecurity incident involving an attempted intrusion into its network. The company detected the malicious activity and implemented immediate containment measures, including preventive restrictions on public internet access, while notifying relevant authorities. Internal investigations conducted alongside external cybersecurity experts found no evidence of data compromise at the time of disclosure. Operations continued under normal conditions despite these protective restrictions.

Motives

Detailed motive labels are available to members.

1 motive

TTPs

Detailed technique labels are available to members.

1 technique

Description

On February 28, 2021, Groupe Lactalis detected an intrusion attempt targeting a portion of its corporate network infrastructure. The French dairy conglomerate, headquartered in Laval, initiated immediate containment protocols to isolate the attack and prevent further unauthorized access. The company publicly disclosed the incident, attributing the activity to an unidentified malicious third party attempting to infiltrate its servers. Lactalis engaged recognized cybersecurity experts to assist its internal IT teams in conducting forensic investigations. These collaborative efforts confirmed no evidence of data exfiltration or compromise at that preliminary stage. The organization formally notified relevant regulatory authorities in compliance with incident reporting obligations.

As a preventive measure, Lactalis voluntarily restricted public internet connectivity across its network infrastructure to disrupt potential attacker access vectors. This controlled network segmentation occurred concurrently with the activation of business continuity protocols designed to maintain standard operational capabilities. The company emphasized its commitment to transparent communication regarding the intrusion attempt while continuing forensic analysis to identify the attack's origin and methodology. Internal technical resources remained fully dedicated to system monitoring and threat mitigation throughout the containment phase. No service disruptions or operational impacts were publicly acknowledged as resulting directly from these security measures.

Sources

Sources available to members: 1 source.

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