£46.0M
March Capital led the Series C round, which values the enterprise security firm at $500m and brings total funding to over $120m.
"The security of our operations and data is paramount to the success of Arm, and we’re committed to empowering our people to make sound security decisions while doing their jobs effectively. The concept of human layer security is becoming a critical part of doing business today. Tessian enables us to reduce risk across the organization by providing valuable tools and knowledge to not only stop threats like advanced phishing attacks and accidental data loss, but also continually improve the security behaviors of our teams as the threat landscape evolves."
