---
title: Cisco Secure Email Threat Defense Reviews
meta_title: 'Cisco Secure Email Threat Defense Reviews 2026: Details, Pricing, & Features
  | G2'
meta_description: Filter 28 reviews by the users' company size, role or industry to
  find out how Cisco Secure Email Threat Defense works for a business like yours.
aggregate_rating:
  rating_value: 4.3
  review_count: 28
  scale: '5'
date_modified: '2026-08-09'
parent_category:
  name: Email Security
  url: https://www.g2.com/categories/email-security
---


# Cisco Secure Email Threat Defense Reviews
**Vendor:** Cisco  
**Category:** [Secure Email Gateway Software](https://www.g2.com/categories/secure-email-gateway)  
**Average Rating:** 4.3/5.0  
**Total Reviews:** 28
## About Cisco Secure Email Threat Defense
Cisco Email Security protects against ransomware, business email compromise, spoofing, and phishing.





## Cisco Secure Email Threat Defense Discussions
  - [What is Cisco Email Security used for?](https://www.g2.com/discussions/what-is-cisco-email-security-used-for)
  - [How does email security work?](https://www.g2.com/discussions/how-does-email-security-work)
  - [What is a feature of Cisco hybrid email security?](https://www.g2.com/discussions/what-is-a-feature-of-cisco-hybrid-email-security)
  - [Which two features of Cisco email security can protect your organization against email threats?](https://www.g2.com/discussions/which-two-features-of-cisco-email-security-can-protect-your-organization-against-email-threats)
  - [What is Cisco Email Security?](https://www.g2.com/discussions/what-is-cisco-email-security)

- [View Cisco Secure Email Threat Defense pricing details and edition comparison](https://www.g2.com/products/cisco-secure-email-threat-defense/reviews?page=2&section=pricing&secure%5Bexpires_at%5D=2026-08-10+22%3A20%3A33+-0500&secure%5Bsession_id%5D=2491a5a2-08ca-4e6b-b0c5-04f2e54d64b9&secure%5Btoken%5D=6c3e47bb0bd2ce91c9c6583a216486d65cac86c19eca56d1063534c9fedd4202&format=llm_user)

## Cisco Secure Email Threat Defense Features
**Additional Functionality**
- Phishing Protection
- Threat Response
- Domain Check
- Security Auditing
- AI/Machine Learning
- Third-Party Integrations
- AI Copilot
- Reporting/Analytics
- Anomaly/Malware Detection
- SURLB/URIBL Filtering
- Activity Dashboard
- Scheduled/Automated Reports
- For MSPs
- Whitelisting/Blacklisting
- Fraud Detection
- Spam Blocker
- Spam Quarantine
- API
- Data Leak Prevention
- Encryption
- Audit Trail
- Real-Time Monitoring
- Spam Analysis
- Policy Management
- Alerts/Escalation
- Email Management
- Vulnerability Scanning
- Generative AI
- Threat Protection
- Email Attachment Protection
- Email Filtering
- Two-Factor Authentication

**Administration**
- Intelligence Reporting
- Email Integration Suppor
- Access Management
- Data Loss Prevention

**Administration**
- Compliance
- Intelligence Reporting
- Email Clients
- Role-Based Rules

**Functionality**
- Anti-Spam
- Anti-Malware
- Anti-Phishing
- SURLB/URIBL Filtering
- Quarantine
- Outbound Email Monitoring
- Advanced Threat Intelligence/Protection
- Archiving
- Reporting
- On-prem deployment
- Email Attachment Protection
- Phishing Protection
- Single Sign On
- Email Monitoring
- Real-Time Monitoring

**Maintenance**
- Auditing
- Allow and block lists
- Compliance
- Archiving

**Detection**
- Data Exfiltration Detection
- Activity Monitoring
- Real-Time Detection

**Agentic AI - Secure Email Gateway**
- Proactive Assistance

**Additional Functionality**
- Activity Dashboard
- Audit Trail
- Allow/Block List
- Generative AI
- Vulnerability Scanning
- Active Directory Integration
- Threat Response
- Search
- Intrusion Detection System
- Compliance Management
- Spam Blocker
- Encryption
- Data Verification
- Audit Management
- Alerts/Escalation
- Policy Management
- Customizable Reports
- Archiving & Retention
- Data Synchronization
- Activity Tracking
- Microsoft Outlook Integration
- SSL Security
- Secure Login
- Third-Party Integrations
- Spam Detection
- Real-Time Notifications
- Scheduled/Automated Reports
- Email Tracking
- Fraud Detection
- Event Logs
- Data Retention Management
- Backup and Recovery
- Threat Intelligence
- Whitelisting/Blacklisting
- Data Import/Export
- Two-Factor Authentication
- Reporting & Statistics
- Anti Virus
- Data Loss Prevention
- Risk Alerts
- Access Controls/Permissions
- Password Management
- AI Copilot
- Authentication

**Security**
- Anti-Malware/Anti-Spam
- Encryption
- Quarantine
- Advanced Threat Protection (ATP)
- Anti-Phishing
- Account takeover prevention

**Protection**
- Targeted Attack Prevention
- Policy Enforcement
- Spam Filtering

**Agentic AI - Intelligent Email Protection**
- Autonomous Task Execution
- Adaptive Learning

## Top Cisco Secure Email Threat Defense Alternatives
  - [Proofpoint Core Email Protection](https://www.g2.com/products/proofpoint-core-email-protection/reviews) - 4.6/5.0 (589 reviews)
  - [Mimecast Advanced Email Security](https://www.g2.com/products/mimecast-advanced-email-security/reviews) - 4.4/5.0 (340 reviews)
  - [Microsoft Defender for Office 365](https://www.g2.com/products/microsoft-microsoft-defender-for-office-365/reviews) - 4.5/5.0 (283 reviews)