Matthew Gardiner

Matthew Gardiner

Principal Security Strategist |


Matthew Gardiner is Principal Security Strategist at Mimecast and is currently focused on email security, phishing, malware and cloud security. With more than 15 years focused in security, Matthew’s expertise in various roles includes threat detection & response, network monitoring, SIEM, endpoint threat detection, threat intelligence, identity & access management, Web access management, identity federation, cloud security, and IT compliance at RSA, Netegrity, and CA Technologies. Previously he was President and a member of the board of trustees of the security industry non-profit, the Kantara Initiative. Matthew has a BS in Electrical Engineering from the University of Pennsylvania and an SM in Management from MIT's Sloan School of Management.

Posts by Matthew Gardiner

Brand Protection, Threat Intelligence Hub

How to Slam a Door on the Cutwail Botnet: Enforce DMARC

DMARC can help protect brands from email domain spoofing. The problem is that not enough organizations are enforcing on DMARC yet. Key Points: The Cutwail botnet continues to be very active and often spoofs the brands of well-known organizations via…

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Email Security

Amazon Web Services Outage: Who is Responsible for Your Organization’s IT Resilience?

The recent AWS outage is a strong reminder of the risks that come with overdependence on a single cloud service. Key Points: Amazon Web Services (AWS) recently experienced a wide outage that impacted thousands of customer sites and services. As orga…

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Email Security, Brand Protection

Getting to p=Reject, Mimecast’s Internal DMARC Project: Part 3. Job Done?

Mimecast’s now completed DMARC project highlights examples of attacks that were stopped using a combination of DMARC, for the email portion of the attack, and Mimecast’s Brand Exploit Protect for the malicious website detection and takedo…

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