TLDR: “The leak consisted of older text messages that included one-time codes that were only valid for 15-minute time frames and the phone numbers they were sen

TLDR: “The leak consisted of older text messages that included one-time codes that were only valid for 15-minute time frames and the phone numbers they were sent to. The leaked data did not associate the phone numbers with a Steam account, password information, payment information or other personal data.” So not really an issue.