VoIP and instant messaging social platform Discord has notified its users about unauthorized access to a third-party customer service agent’s support ticket queue.

In an incident notification sent to its users the company explained that the breach may have affected users’ email addresses, the contents of customer service messages and any attachments sent between the user and Discord.

Following the incident Discord deactivated the compromised third party’s account and checked the affected device for malware. The company didn’t provide any additional details on the incident, including how many users may have been impacted.

Discord said it reached out to its customer service partner to “improve their practices,” expecting to prevent similar types of issues from happening in the future.