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Days After Massive Breach, Marriott Customers Await Details

ID: 3323aa43-3e35-52aa-ad6c-e56aa46c0928

STIX ID: report--3323aa43-3e35-52aa-ad6c-e56aa46c0928

Feed Name: Security Ledger

Threat Score
90/100

Date Published: 2018-12-06

Date Updated: 2026-04-26

Author: Paul Roberts

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Marriott disclosed that attackers compromised its Starwood reservation system and stole data for roughly 500 million customers over a multi-year period; the article highlights customers' complaints about delayed notifications, potential GDPR violations, the company’s remediation steps (free monitoring and a dedicated site/call center), and reporting that the compromise may be part of an intelligence-gathering operation possibly tied to China.

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