Question: I'm looking for a system that prevents data leakage and unauthorized email sharing, do you know of any options?

If you need a system to stop data leaks and unauthorized email sharing, Egress is a strong contender. It offers an Intelligent Email Security platform that combines AI-based behavioral-based detection, zero-trust and pre-generative modeling to stop sophisticated phishing attacks. The platform includes features like Egress Defend for phishing threat protection, Egress Prevent for stopping data leaks, and Egress Protect for encrypted email protection. It also offers secure file sharing and collaboration tools to keep your data private.

Another powerful option is Proofpoint, an integrated cybersecurity platform that combines behavioral AI and human-centric security technologies. Proofpoint offers email security, adaptive email data loss prevention, insider threat management and secure email relay, among other features. It's a popular option, with 87 of the Fortune 100 companies using it, so you can trust it to protect your emails and data from a range of threats.

Mimecast is another strong option, with AI-based security features to stop email-based attacks, phishing and ransomware. The platform includes advanced email security, security awareness training and collaboration security for Microsoft Teams and other cloud apps, so you're protected from both inside and outside threats. Mimecast's global threat intelligence and machine learning technology means its products are constantly updated to address new risks.

If you're looking for something more focused, check out Nightfall, an AI-native data leak prevention platform. Nightfall protects sensitive data in SaaS and cloud apps, using machine learning technology to reduce false positives and maximize the accuracy of data breach prevention. It supports key compliance standards and offers flexible pricing to accommodate different organizational needs, making it a good option for protecting your sensitive data.