Bonobos, a Walmart subsidiary and online men's clothing and accessories store, has reported a data breach that left millions of customers' personal information exposed, according to BleepingComputer.The twist: The breach did not the Bonobos or Walmart corporate networks. Instead, hackers stole the Bonobos backup database from a third-party cloud service provider (CSP). Indeed, the hackers accessed a 70 GB SQL backup file hosted in an external cloud environment, and then the perpetrators published the information to a free hacker forum.Bonobos did not disclose the name of the backup software provider and the underlying cloud infrastructure provider.The attack is a timely reminder for MSPs and MSSPs: Locking down and monitoring end-customer networks represents only part of the risk mitigation equation. Tracking and protecting customer data -- no matter where it resides -- is now paramount amid the cloud, mobile and work from home (WFH) technology waves.Addresses Phone numbers Partial credit card numbers (last four digits) Order information Password histories The exposed Bonobos database did not include full customer payment information, BleepingComputer indicated. However, hackers can use the compromised data in targeted phishing attacks.