# Cybertek (Grosbill) hit by cyberattack, customer data exposed

> Cybertek, which also operates Grosbill, was hit by a cyberattack exposing customers' names, addresses, emails and phone numbers. The company blocked the intrusion on October 7 and fixed the flaws on October 9.

**In brief**: Cyber event (severity: low) nationwide, first detected on 28 October 2026 at 17:54. Reported by 1 source (2 articles), last updated on 28 October 2026 at 21:28.

- Category: Cyber
- Severity: Low
- Place: Nationwide
- First detected: 28 October 2026 at 17:54
- Updated: 28 October 2026 at 21:28
- Web page: https://acturadar.com/en/events/3114-cybertek-grosbill-hit-by-cyberattack-customer-data-exposed

## Sources (2 articles)

- [@CyberattaqueOrg : 🚨 Cybertek, qui exploite également Grosbill, victime d'une nouvelle #cyberattaque !](https://x.com/CyberattaqueOrg/status/2115487376202142031) — X (Twitter), 28 October 2026 at 17:54
- [@Frenchbreaches : 🔴 Cybertek victime d'une cyberattaque le 7 octobre 2026.](https://x.com/Frenchbreaches/status/2115541353585340640) — X (Twitter), 28 October 2026 at 21:28

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Cite as: Acturadar, “Cybertek (Grosbill) hit by cyberattack, customer data exposed”, https://acturadar.com/en/events/3114-cybertek-grosbill-hit-by-cyberattack-customer-data-exposed
Methodology: https://acturadar.com/en/methodology