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Authy got hacked, and 33 million user phone numbers were stolen
(appleinsider.com)
This is a most excellent place for technology news and articles.
Possibly not now that it saves your codes to your google account (it didn't use to), but it made me uncomfortable for my password manager to have both factors together to log into something like my bank or root AWS account. So you'd have to compromise two different places to get in