If you suspect that your email marketing system has been compromised by an injection attack, take the following steps:
Disconnect: Immediately disconnect the compromised system from the network to prevent further damage. Assess the Damage: Conduct a thorough assessment to understand the extent of the breach and identify affected data. Notify Stakeholders: Inform customers, employees, and other stakeholders about the breach and the steps being taken to address it. Patch Vulnerabilities: Identify and patch the vulnerabilities that were exploited by the attackers. Implement Monitoring: Set up continuous monitoring to detect and respond to future threats.