Japanese cloud and hosting provider Sakura Internet says hackers got into an internal sales management system and may have exposed contract and membership data tied to as many as 1,360,563 accounts. The company says the intrusion began on August 9 and was uncovered during an investigation into a separate breach of its Sakura Rental Server service, where 583 accounts were accessed and malware was installed. Sakura says no credit card data was stored in the affected system, passwords were hashed, and data theft has not yet been confirmed.
Why it matters: This is a significant breach at a major infrastructure provider and government cloud partner, so affected customers should watch for breach notices, reset passwords if reused elsewhere, and monitor for phishing. Organizations using Sakura services should review account activity and check for any follow-on abuse tied to the earlier malware incident.
SecurityWeek News
2026.08.21
97% relevant
It restates the same breach and adds that Sakura found the sales-system intrusion while investigating a separate malware infection affecting a small subset of rental server accounts.
Bill Toulas
2026.08.19
100% relevant
This article appears to be the first major report establishing Sakura Internet's broader breach, including the scale of up to 1.36 million potentially affected accounts and its link to the earlier Sakura Rental Server incident.
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