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Cisco Secure Email Threat Defense
Modernize your email security into a singular, continuously evolving, advanced platform — driven by cloud-scale AI detections. Robust security that protects every mailbox without the operational overhead of traditional appliances.
Expansive email security that protects your employees and organization while empowering your security response. Cisco Secure Email Threat Defense harnesses cloud-scale AI to stop threats before they reach the mailbox — with a unified platform that manages both inline gateway and API-based deployments from a single console.
Each capability addresses a distinct operational challenge — together they form a complete email security platform that scales with your organization.
Harness cloud-scale AI in a unified platform that eliminates traditional appliance-based limitations and reduces overhead. Advanced machine learning models analyze message content, sender behavior, and threat context at a scale no on-premises appliance can match.
Proactively stop email threats before they reach the mailbox. Every inbound message is inspected for malicious URLs, attachments, sender reputation anomalies, and social engineering tactics — helping to ensure compliance and a safer, protected environment.
Gain flexible threat protection through a cohesive interface that unifies inline gateway and API-based deployment modes into a single console. Manage pre-delivery threat prevention and post-delivery remediation from one place, reducing operational complexity.
Streamline maintenance and accelerate your email security journey with cloud-scale AI and seamless platform integration. Reduce the overhead of managing separate systems while getting stronger, more consistent protection across your entire email environment.
Market Leadership
Secure Email Threat Defense has once again set itself apart from the competition in the KuppingerCole Leadership Compass for Email Security, earning top rankings in four different categories. Independent analysts consistently recognize the platform for its AI-driven detection accuracy, cloud-native architecture, and rapid innovation pace.
Download the KuppingerCole Report
Government & Compliance
Email Threat Defense achieves a critical milestone that underscores Cisco's commitment to delivering the highest standards of security and compliance. FedRAMP authorization enables government agencies and regulated industry customers to deploy with confidence, knowing the platform meets rigorous federal security requirements.
Independent Testing
Sophisticated AI detectors in Cisco Secure Email Threat Defense provide the highest level of email threat protection, according to SE Labs research. This AAA rating confirms that Secure Email Threat Defense delivers industry-leading effectiveness at detecting and blocking email-borne attacks under real-world conditions.
Cisco AI
See how Secure Email Threat Defense uses AI to identify the intent and risk behind every email-based threat. Cisco's strategic use of AI empowers the platform to understand the context of each message — not just its content — so it can detect sophisticated attacks that rule-based systems and legacy gateways miss.
Secure Email Threat Defense integrates with the broader Cisco security ecosystem to provide layered protection across email, endpoints, identity, and network — closing gaps that standalone email security cannot address.
Empower your security teams to respond to threats at speed with innovative XDR and global telemetry. Correlate email-borne threats with endpoint, network, and cloud activity for complete attack visibility and faster response.
Enable seamless and secure access for trusted users to protect against identity-based attacks. Combine email threat defense with identity and access controls for comprehensive user-centric security.
Stop threats before they cause compromise with powerful detection and response capabilities. Together, Secure Email and Secure Endpoint cover the two most common attack entry points in any organization.
You do not have to trade security for productivity. The Cisco Security Step-Up promotion deploys three powerful lines of defense that are simple, secure, and resilient for your business. Defend every critical attack vector — email, web traffic, and user credentials — in one easy step.
Get Step-Up PricingPricing is on a per-user basis, applying to each knowledge worker in your organization. Flexible terms and bundling options make it easy to scale protection as your organization grows.
Simple per-user licensing that scales with your workforce. Each license covers a single knowledge worker across all deployment modes — inline gateway and API.
Choose 1-, 3-, or 5-year subscription terms with significant savings on multiyear options. No extra charge for scheduled billing — monthly, quarterly, yearly, or full payment.
Include subscriptions in larger Cisco buying programs — Security Bundles or Enterprise Agreements. Cisco Capital financing options are also available.
Every subscription includes Cisco Technical Assistance Center support around the clock, plus customer success onboarding assistance to accelerate deployment.
Our Cisco-certified team can help you evaluate, license, and deploy Secure Email Threat Defense. Discover how the advanced threat detection capabilities provide effective and comprehensive protection for your Microsoft 365 environment — with a free trial to prove it.