Substack data breach exposed users’ emails and phone numbers
TechCloseTechPosts from this topic will be added to your daily email digest and your homepage feed.FollowFollowSee All TechNewsCloseNewsPosts from this topic will be added to your daily email digest and your homepage feed.FollowFollowSee All NewsSecurityCloseSecurityPosts from this topic will be added to your daily email digest and your homepage feed.FollowFollowSee All SecuritySubstack data breach exposed users’ emails and phone numbersThe breach happened in October, but was detected by Substack on February 3rd.The breach happened in October, but was detected by Substack on February 3rd.by Jess WeatherbedCloseJess WeatherbedNews ReporterPosts from this author will be added to your daily email digest and your homepage feed.FollowFollowSee All by Jess WeatherbedFeb 5, 2026, 10:55…