Egress is a cybersecurity company specializing in cloud email security solutions that address both inbound threats, such as phishing attacks, and outbound risks, including data loss. Its Intelligent Email Security suite comprises several components:​

Egress Defend: Utilizes behavioral AI and self-adapting technology to detect and protect against sophisticated phishing threats that may bypass traditional security measures.​
   
Egress Prevent: Employs contextual machine learning and advanced data analytics to prevent accidental and malicious data loss by monitoring outbound email traffic and alerting users to potential breaches before they occur.​

Egress Protect: Provides secure, certified end-to-end email encryption, enabling compliant email communication without adding user friction.​

The platform integrates seamlessly with Microsoft 365 and leverages adaptive security architecture to dynamically adjust policy controls based on continuous assessment of human risk, enhancing an organization's ability to defend against evolving email security threats.​

Egress was acquired by KnowBe4 in 2024.