Avalara, Inc. disclosed a data breach involving the eCompli software application, acquired from Compli, Inc. On May 22, 2019, a former Compli employee notified Avalara of a vulnerability that allowed unauthorized access to personal information of certain individuals at Avalara's customers. The exposed data included names, SSNs, driver's license numbers, dates of birth, and employment history. The third party deleted the accessed data and certified it was not shared. Avalara removed the vulnerability, investigated the scope, and offered credit monitoring.