Sophos

Proofpoint Core Email Protection is a security platform that filters inbound and outbound email to identify and block threats such as phishing, malware, and business email compromise. The system utilizes machine learning and behavioral analysis to inspect message headers, content, and attachments for anomalies and malicious intent. It provides flexible deployment options through either an API-based integration or a secure email gateway to monitor internal and external communications. Additionally, the software includes automated quarantine and remediation features to remove harmful messages from user inboxes after delivery.

Darktrace / Email is a security platform that utilizes self-learning AI to establish a baseline of "normal" behavior for every user and correspondent within an organization. By analyzing the unique context and intent of communications, the system identifies and blocks anomalous activity such as spear-phishing, account takeovers, and social engineering. The software monitors inbound, outbound, and lateral internal mail to detect sensitive data loss and insider threats without relying on traditional threat intelligence feeds or static rules. It also provides autonomous response capabilities, such as quarantining suspicious messages or providing real-time contextual warnings to end users.

NeoCertified Secure Email Solution is a cloud-based encryption platform that protects sensitive inbound and outbound communications through military-grade data encryption. The system integrates directly with Microsoft Outlook, Office 365, and Gmail via add-ins, while also providing a secure web portal and mobile application for sending protected messages and large attachments. Key features include a notification system that tracks when recipients open messages, automated reminders for unopened emails, and built-in anti-malware and anti-phishing protections. The solution is specifically designed to help organizations maintain compliance with regulations such as HIPAA and CCPA by securing data both in transit and at rest.