Genetic testing company 23andMe revealed that its data breach was much worse than previously reported, hitting about half of its total customers.
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The original was posted on /r/cybersecurity by /u/persiusone on 2023-12-05 12:00:51+00:00.

In disclosing the incident in October, 23andMe said the data breach was caused by customers reusing passwords, which allowed hackers to brute-force the victims’ accounts by using publicly known passwords released in other companies’ data breaches.