OnePlus seems to be having some serious issues when it comes to data security. The Chinese company has yet again exposed user data, in what Android Police is calling the stupidest way. The company exposed email addresses of hundreds of its customers in a research email.

While it’s not data breach and the issue is a bit less serious, it showcases the trend on how OnePlus continues to face data-related issues. The development comes when the company suffered two security-related issues this month.

OnePlus Customer Email Leak

In this customers’ email exposure, OnePlus sent out a mass mailer for research and study, and instead of putting email ids of customers in the BCC field, the company sent out the email with all email ids in the To field, exposing them to everyone on the list.

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However, the number of the leaked email address of OnePlus customers have not been independently verified but a user on Reddit which revealed this and shared image, claims that it is hundreds of customers.

Last year, in November, the company had revealed a major data breach in which customer’s information such as name, contact number, email, and shipping address was exposed but the company had said that payment information was safe.

Prior to that, OnePlus had reported its first security breach in which credit card information of nearly 40,000 OnePlus customers was exposed through the company’s official website. After last year’s breach, the company had said that it would partner “with a world-renowned security platform” and launch a bug bounty program.