Zello is warning customers to reset their passwords if their account was created before November 2nd in what appears to be another security breach. [...]
source https://www.bleepingcomputer.com/news/security/zello-asks-users-to-reset-passwords-after-security-incident/
source https://www.bleepingcomputer.com/news/security/zello-asks-users-to-reset-passwords-after-security-incident/