Dropbox discloses a material cybersecurity incident

What the filing says

On April 24, 2024, Dropbox, Inc. (" Dropbox " or " we ") became aware of unauthorized access to the Dropbox Sign (formerly HelloSign) production environment. We immediately activated our cybersecurity incident response process to investigate, contain, and remediate the incident. Upon further investigation, we discovered that the threat actor had accessed data related to all users of Dropbox Sign, such as emails and usernames, in addition to general account settings.