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Sakura Internet customer data exposed after Sakura Internet breach

Data Leak
First reported
Last updated
Happening score
H score 61
1 unique sources, 1 articles

Summary

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Sakura Internet disclosed that hackers accessed its sales management system, exposing customer contract and membership information tied to up to 1,360,563 member accounts. The company is individually notifying affected customers and has informed regulators about the exposure. The exact number of impacted accounts is still being determined, so the scope remains under investigation.

Related Happenings

Sakura Rental Server hit by network compromise

Incident
H score59 First: 19.08.2026 23:53 Last: 19.08.2026 23:53 Sources 1

How related: That hack was less severe, involving unauthorized logins to 583 accounts, access to customer-facing systems and client data, and the installation of malware onto Sakura’s systems.

About this happening: Sakura Rental Server confirmed a separate intrusion involving unauthorized logins to 583 accounts and malware installed on its systems, adding a distinct compromis...

Timeline

  1. 19.08.2026 03:00 1 articles · 22h ago

    Hackers access Sakura Internet's sales management system

    Exploitation Observed

    On August 9, attackers accessed Sakura Internet's IT system, including the sales management system that stores customer contract and membership information.

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  2. 19.08.2026 03:00 2 articles · 22h ago

    Sakura Internet says up to 1,360,563 member accounts may be impacted

    Victim Impact Update

    Sakura Internet says the incident may have affected up to 1,360,563 member accounts, while the exact number remains under investigation. The company says it is individually notifying affected customers and has informed relevant authorities.

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