Mimecast Limited, a leading email security and cyber resilience company, today announced the Mimecast CyberGraph solution, a new add-on for Mimecast Secure Email Gateway (SEG) that is engineered to use Artificial Intelligence (AI) to help detect sophisticated phishing and impersonation attacks. CyberGraph creates an identity graph which is built to store information about relationships between all senders and recipients. The graph is designed to detect anomalies and leverages machine learning technology to help organisations stay one step ahead of threat actors by alerting employees to potential cyber threats.