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Incident

Winamax

Incident posture

Attack window
Oct 2019
Location
France
Status
Historical
CIA posture
Available to members
Updated
2025-11-02 00:00

Linked entities

Victim
Winamax
Threat actors
0 actors
Sources
1 source

Timeline

Occurred
Oct 2019
Discovered
Pending
Disclosed
Pending
Resolved
Pending

Summary

A major European online gambling platform experienced significant service disruptions due to a coordinated DDoS attack targeting its infrastructure during a period of high traffic. The attack caused widespread outages, preventing customers from accessing services and resulting in operational paralysis. Security experts attributed the incident to malicious actors exploiting vulnerabilities to overwhelm systems with massive traffic volumes, deliberately timed to maximize impact during peak operational hours. The incident highlighted critical dependencies on network resilience and underscored the persistent threat of DDoS attacks against high-profile digital services.

Motives

Detailed motive labels are available to members.

0 motives

TTPs

Detailed technique labels are available to members.

1 technique

Description

On October 31, 2019, multiple European online gambling platforms, including Winamax, experienced widespread service disruptions due to distributed denial-of-service (DDoS) attacks timed to coincide with Halloween. The attacks overwhelmed the targeted websites with malicious traffic, causing extended outages that prevented users from accessing gambling services during a period of high anticipated activity. The incident affected multiple operators across the European online gambling sector, though Winamax was specifically named among the impacted entities. Service interruptions persisted for an unspecified duration as operators worked to mitigate the attacks. The attackers’ identity and motivations were not disclosed in available reporting, though the timing during a major gambling event suggested intent to maximize operational and financial damage. No data breach or compromise of user information was reported in connection with the DDoS incidents.

Affected companies implemented defensive measures to restore service availability, though technical specifics of their mitigation strategies were not detailed in source material. The financial impact stemmed primarily from lost revenue during peak gambling hours when platforms remained inaccessible to customers. Industry experts characterized the incident as part of a broader trend of cyberattacks targeting high-traffic periods to amplify disruption. No subsequent claims of responsibility or follow-on attacks were documented in relation to this specific Halloween 2019 event. Service normalization occurred after mitigation efforts succeeded in countering the DDoS traffic floods.

Sources

Sources available to members: 1 source.

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