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Wyze data leak may have exposed personal data of millions of users

The security camera startup blames employee error for weeks-long data leak.

Wyze Cam

Security camera maker Wyze said it left the personal information of 2.4 million customers exposed on the internet for weeks.

Tyler Lizenby/CNET

Security camera startup Wyze has confirmed it suffered a data leak this month that may have left the personal information of millions of its customers exposed on the internet. No passwords or financial information were exposed, but email addresses, Wi-Fi network IDs and body metrics were left unprotected from Dec. 4 through Dec. 26, the company said Friday.

More than 2.4 million Wyze customers were affected by the leak, according to cybersecurity firm Twelve Security, which first reported on the leak

The data was accidentally left exposed when it was transferred to a new database to make the data easier to query, but a company employee failed to maintain security protocols during the process, Wyze co-founder Dongsheng Song wrote in a forum post.

"We are still looking into this event to figure out why and how this happened," he wrote.

In an update Sunday, Song said Wyze discovered a second unprotected database during its investigation of the data leak. It's unclear what information was stored in this database, but Song said passwords and personal financial data weren't included.

Keeping sensitive information private continues to be a challenge for database managers. Among this year's more high-profile data leaks were the names, addresses and demographic data of 80 million US households, as well as the expected salaries of more than a million job seekers and thousands of Facebook passwords.

Among the data exposed in the Wyze leak was the height, weight, gender and other health information of about 140 beta users participating in the testing of new hardware, Wyze said.  

The company said there was no evidence that login tokens had been exposed but signed out all users to generate new tokens. Customers can also expect their cameras to automatically reboot in the coming days as an additional security action.

Wyze said it takes its product security seriously and will reexamine its procedures.

"This is a clear signal that we need to totally revisit all Wyze security guidelines in all aspects, better communicate those protocols to Wyze employees, and bump up priority for user-requested security features beyond 2-factor authentication," Wyze said.

Wyze representatives didn't respond to a request for additional information and comment.

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Originally published Dec. 29.
Update, Dec. 30: Adds that Wyze says an additional database was exposed.