Starbucks security incident history
Hacking, data breaches and other security incidents involving Starbucks, with related coverage.
Researchers cast doubt on Starbucks data breach claim
Hackers claimed that Starbucks data had been leaked. Researchers cast doubt on the claim, and whether a leak actually occurred and its scale have not been confirmed.
Read on Cybernews ↗Starbucks HR portal account breach exposes data of 889 US employees
889Impact: Personal information of 889 US employees
Accounts on Starbucks' HR portal, Partner Central, were compromised through credential-stealing phishing. The incident exposed sensitive personal information of 889 US employees. Starbucks disclosed the breach in March 2026.
Related reports: 6 · last report →Starbucks payroll and scheduling disrupted by ransomware attack on supplier
Impact: Disruption to employee payroll processing and work schedule management
A ransomware attack on an external software supplier used by Starbucks disrupted employee payroll and work schedule management. Starbucks recorded employees' working hours on paper and processed payroll manually. Sainsbury's also suffered operational disruption from the same attack.
Related reports: 16 · last report →Starbucks Singapore customer data leaked
Data of Starbucks Singapore customers was leaked. In connection with the incident, a customer loyalty marketing agency was fined S$10,000.
Read on CNA ↗