Ajax reports new data leak and vulnerabilities after ethical hacker's findings
Football club Ajax has reported a new data leak to the Dutch Data Protection Authority (Autoriteit Persoonsgegevens) after an ethical hacker, Abdoul Rasnab, discovered new vulnerabilities in their digital systems this year (2026). These vulnerabilities allowed access to season ticket holder data, internal emails, and information about stadium bans. This follows a previous incident in 2017 that Ajax reportedly kept secret. The club has filed a complaint against the hacker after he went public with the findings.
Signal context
First seen: Mar 27, 2026
Last updated: Jul 2, 2026
Status: Public signal
Key points
- Ethical hacker Abdoul Rasnab discovered new vulnerabilities in Ajax's digital systems in 2026.
- Vulnerabilities allowed access to season ticket holder data, internal emails, and stadium ban information.
- Ajax reported the data leak to the Autoriteit Persoonsgegevens on or around March 27, 2026.
Signal analysis
BetaIt helps compare this signal with other published signals without treating the labels as final determinations.
Likely country: 🇳🇱 Netherlands
inferred from company domain
Watch process controls, misconfiguration and accidental disclosure paths.
- Source type: outside the affected organization
Impact area: Confidentiality
- 1 signal in the same sector
- 88 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
Ajax hield datalek uit 2017 geheim na melding ethisch hacker - Techzine.nlhttps://www.techzine.nl/nieuws/security/576544/ajax-hield-datalek-uit-2017-geheim-na-melding-ethisch-hacker/Public source from techzine.nl.
Cyberaanvallen maart 2026 | Overzicht NL en BE | ccinfohttps://www.ccinfo.nl/menu-nieuws-trends/actuele-cyberaanvallen/cyberaanvallen-2026-maartPublic source from ccinfo.nl.
Ajax meldt datalek van e-mailadressen en info over stadionverboden - update - Tweakershttps://tweakers.net/nieuws/246128/ajax-meldt-datalek-van-e-mailadressen-en-info-over-stadionverboden.htmlPublic source from tweakers.net.
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