Top Enterprise Email Security Alternatives to Proofpoint

A leading cloud-based service that provides comprehensive email security, archiving, and continuity. It excels in protecting against sophisticated phishing attacks and ensures business resilience through real-time threat defense and instant message control.

An AI-driven, cloud-native security platform that integrates directly with Microsoft 365. It specializes in detecting zero-day threats and ransomware in real-time, offering proactive protection without the need for complex agent installations or legacy gateways.

Focuses heavily on human-centric security by combining advanced threat detection with user awareness training. Their platform identifies and neutralizes phishing attempts while empowering employees to recognize and report suspicious emails effectively.

Delivers cloud-based protection against email-borne threats, including malware, spam, and business email compromise. It utilizes deep learning and global reputation data to filter malicious content before it reaches the user's inbox.

A scalable solution that protects organizations from spam, viruses, and phishing through multiple layers of defense. It offers easy deployment and management, making it suitable for mid-sized to enterprise-level businesses seeking reliable email hygiene.

Leverages behavioral analytics and machine learning to detect sophisticated business email compromise and account takeovers. Unlike traditional tools, it adapts to user behavior patterns to identify anomalies that indicate a security breach.

Provides advanced threat detection and response capabilities for cloud and hybrid environments. It focuses on user and entity behavior analytics to identify insider threats and compromised accounts that traditional email gateways might miss.

A module within the Mimecast ecosystem that trains employees to recognize social engineering tactics. It uses simulated phishing campaigns to educate staff and reduce the likelihood of successful attacks through improved user vigilance.

Offers secure messaging and archiving solutions for regulatory compliance and data protection. It provides end-to-end encryption and secure file sharing capabilities, ensuring sensitive information remains protected during transmission and storage.

Historically significant email security gateway technology now integrated into Cisco Secure Email. It provides robust filtering capabilities and threat intelligence to protect against spam and malware, though largely superseded by newer cloud-native offerings.

Specializes in data-centric security rather than just email gateways. It monitors data access and movement across the enterprise, helping organizations detect insider threats and prevent data loss from shared folders and cloud apps.

A comprehensive security intelligence platform that correlates data from various sources to detect complex threats. It is particularly effective in identifying lateral movement and advanced persistent threats within email and network environments.

Uses self-learning AI to model normal communication patterns and detect subtle anomalies. It provides real-time autonomous response capabilities, automatically halting suspicious email activities without requiring manual intervention from security teams.

Microsoft's native security solution that offers advanced protection against threats in Outlook and SharePoint. It integrates seamlessly with the Microsoft 365 ecosystem, providing safe links, safe attachments, and anti-phishing protections.

Combines artificial intelligence with expert human analysis to protect against evolving email threats. It includes deep learning capabilities to identify malicious files and behavior, ensuring comprehensive defense against ransomware and extortion attempts.

Provides network-centric email security that integrates with firewalls and other security appliances. It offers strong anti-spam and anti-malware features, suitable for organizations looking for a unified security approach across their infrastructure.

Integrates with Cloudflare's global network to provide fast and secure email filtering. It offers advanced threat intelligence and phishing protection, leveraging Cloudflare's extensive data on global web traffic to enhance security accuracy.

Focuses on preventing data loss and protecting sensitive information across all channels. It combines email security with endpoint and network controls to ensure comprehensive data governance and compliance within the organization.

While primarily an identity solution, it integrates with email systems to secure access and prevent unauthorized actions. It provides multi-factor authentication and adaptive access controls to protect against credential theft and account compromise.

Okta integrates with various email security providers to enhance access management and threat detection. Its identity-centric approach ensures that only authorized users can access email resources, reducing the risk of internal and external threats.