In response to a security incident initially reported on December 16, 2023, MongoDB assured that there was no unauthorized access to its Atlas clusters but acknowledged that a phishing attack compromised some corporate applications used for customer support. The company, along with external forensic experts, has reportedly contained the incident, and no unauthorized third-party access remains. MongoDB provided details on the exposed contact information and account metadata, advising customers to implement security measures such as multifactor authentication (MFA) and vigilance against phishing attacks. Updates on the incident were posted on the MongoDB Alerts page, with the investigation declared complete by January 3, 2024. Additionally, MongoDB announced leadership changes, with Dev Ittycheria retiring as CEO and Chirantan “CJ” Desai appointed as his successor, effective November 10, 2025. Ittycheria emphasized the decision as a strategic move for MongoDB's next growth phase, expressing confidence in CJ's ability to lead the company, given his extensive experience and success at ServiceNow and Cloudflare. Ittycheria, who will remain on the board, reflected on his 11-year tenure and expressed gratitude to the team, affirming his continued support for MongoDB's future endeavors.