Email Cybersecurity Companies
Tools that filter phishing, scams, and malicious attachments out of inbound email.
Mimecast
United Kingdom
Email and collaboration security, insider risk, data protection, archiving and security awareness on one human risk management platform.
Proofpoint
United States
Human- and agent-centric cybersecurity: email and collaboration security, data security and DLP, AI security, and compliance archiving.
Sophos
United Kingdom
AI-native cybersecurity: endpoint, firewall, email, cloud and identity protection plus MDR, XDR and SIEM on the Sophos Fusion platform, sold via partners.
Check Point Software
Israel
A global cyber security vendor providing network, cloud, endpoint, and mobile threat prevention for enterprises and governments.
Fortinet, Inc.
United States
Global cybersecurity leader delivering integrated networking and security solutions, including next-gen firewalls, SD-WAN, EDR, and SASE.
Cisco Secure
United States
Cisco's security portfolio (Duo, Umbrella, Secure Firewall, Secure Endpoint, XDR and more) unifying network, cloud, identity and endpoint protection.
LevelBlue
United States
Pure-play MSSP delivering managed detection and response, XDR, incident response, SpiderLabs threat intelligence and security consulting.
Abnormal AI
United States
Behavioral AI platform that stops email attacks, account takeover and identity threats, and secures enterprise AI use across cloud apps.
Darktrace
United Kingdom
AI cybersecurity company whose self-learning behavioral AI detects and autonomously responds to threats across network, email, cloud, OT, identity and AI.
Cynet
United States
AI-powered all-in-one security platform (EDR/XDR, SIEM, email, SaaS, identity) with 24/7 CyOps MDR, sold through MSPs and resellers to SMEs.
Menlo Security
United States
Browser security platform using cloud isolation, AI phishing prevention, DLP and file sanitization to protect people and AI agents working in the browser.
KnowBe4
United States
Human risk management platform: security awareness training, simulated phishing, AI defense agents and email security for 70,000+ organizations.