Snowflake is saying they knew of unusual activity "around mid-April 2024", confirmed "May 23, 2024", around which time they made MFA mandatory (although their customer AT&T say they knew of the breach "Mar 20"; these timelines keep shifting back):
> "US cloud storage firm Snowflake has already required the implementation of multi-factor authentication across all user accounts a month following the widespread breach of customer accounts, including those of Ticketmaster and Santander Bank, reports The Register."
"Mandatory MFA option unveiled by Snowflake" - Jul 11, 2024 https://www.scmagazine.com/brief/mandatory-mfa-option-unveil...
> "US cloud storage firm Snowflake has already required the implementation of multi-factor authentication across all user accounts a month following the widespread breach of customer accounts, including those of Ticketmaster and Santander Bank, reports The Register."