Cisco Secure Email Threat Defense is an email security solution designed specifically for Microsoft 365 environments. The product provides protection against email-based threats including known, emerging, and targeted attacks. The solution offers advanced threat detection capabilities to identify malicious techniques and provides context for business-specific risks. It includes searchable threat telemetry that categorizes threats and identifies which parts of an organization are most vulnerable to attack. The product enables security teams to rapidly search for dangerous threats and remediate all threat instances in real time. It expands defensive scope beyond basic email filtering to detect sophisticated attack methods. Cisco Secure Email Threat Defense is offered as a cloud-based service that integrates with Microsoft 365 email infrastructure. The solution is available through a 30-day free trial, after which it operates on a commercial licensing model based on user seat count. The product provides visibility into email threats through threat telemetry and categorization features, allowing organizations to understand their email security posture and respond to incidents more effectively.