Mixpanel experienced a security incident on November 8th, 2025, when a smishing campaign targeted a limited number of customers. In response, Mixpanel swiftly activated their incident response processes, took measures to secure affected accounts, and engaged external cybersecurity partners for remediation. Actions included revoking active sessions, rotating compromised credentials, blocking malicious IP addresses, and implementing additional security controls to prevent future incidents. The company communicated with all impacted customers and assured others that if they had not been contacted, their accounts were not affected. Mixpanel emphasizes its commitment to security and transparency, advising any concerned customers to reach out for further information.