
PIPEDA Findings #2022-005: Hotel chain discovers breach of customer database following acquisition of a competitor
On November 30, 2018, Marriott International, Inc. announced a data security breach involving unauthorized access to a Starwood Hotels database, which it had acquired in 2016. The breach, spanning over four years, affected up to 12.8 million Canadian records, including passport and payment card details. The OPC launched an investigation into Luxury Hotels Canada, Marriott's Canadian operating company, following eleven complaints. The investigation found Marriott's security safeguards, accountability measures, and information retention practices to be inadequate, contravening PIPEDA Principles 4.7, 4.1.4, and 4.5. Specifically, Marriott failed to detect the breach sooner due to insufficient logging, monitoring, and multi-factor authentication, and retained personal information longer than necessary. While Marriott's notification to affected individuals was deemed adequate, the OPC had outstanding concerns regarding remote access, unencrypted data storage, and retention periods. The findings are well-founded and conditionally resolved, as Marriott committed to implementing the OPC's recommendations, including engaging an external assessor and reviewing its privacy framework.
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