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M1 discloses breach involving customer identity and contact information

M1 identified a customer-data breach on October 30 and disclosed it on November 6. Impacted data includes names, NRIC/FIN numbers, birth dates, mobile numbers, email and addresses.

Dernière mise à jour: 2026-11-09

Ce contenu est affiché en English.

Présentation

The notice gives no total, intrusion date or entry method. M1 says payment cards, financial and banking information, and customer account access were not compromised.

Chronologie

  1. Survenue
  2. Découverte
  3. Divulgation

  4. Customer-data breach identified.

  5. Public disclosure and customer-notification announcement.

Réponse de l’organisation

M1 contained the breach, is investigating with authorities and specialists, and will notify affected customers by email or letter.

Que faire ?

Verify unsolicited contacts independently through official channels before providing information.

Sources

  1. M1 Discloses Data BreachM1 · 2026-11-09

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