Simon Tyler

Simon Tyler is an email security and threat protection expert with more than three decades of experience building enterprise email platforms. As Product Manager at Halon, he helps service providers and large-scale senders deliver composable email security with greater control over authentication, transport security, threat detection, and policy enforcement.

Before joining Halon, Simon spent more than fourteen years at Mimecast, joining as an email developer when the company had fewer than ten engineers and rising through senior engineering leadership roles, including Vice President of Engineering and Product Research and Vice President of Engineering for Threat Detection. He helped shape Mimecast's cloud platform architecture, its engineering research programme, and capabilities spanning targeted threat protection, malware detection, domain impersonation, and machine-learning-driven analysis.

Earlier in his career, he spent a decade at Gordano as Director and Head of Development, building secure email gateway and messaging products, and also worked as a senior software engineer at Scalix. Simon is a prolific inventor in email security, with more than twenty granted patents covering threat detection and warning, domain impersonation, malware analysis, security continuity, and data protection in email systems.