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ASM in the Age of CTEM

56:28

June 24, 2025

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Overview

This month's episode of The Dark Dive revisits the topic of Attack Surface Management.

In particular, how it relates to a relatively new cybersecurity term, CTEM: Continuous Threat Exposure Management. In a lively discussion, guests Michael Gianarakis and Ben Jones help define CTEM, a security process that has quickly gained traction thanks to being championed by the analyst firm Gartner. They debate what CTEM adds to cybersecurity, how it builds on previously established concepts, and where ASM and threat intelligence play a role.

This episode ties in with the new e-book published by Searchlight Cyber, ASM in the age of CTEM, which you can download here for free.

Aidan Murphy

Host

Aidan Murphy

Former Host of The Dark Dive Podcast

Aidan Murphy was the host of The Dark Dive, Searchlight Cyber's podcast that demystified the dark web. He interviewed threat intelligence experts on topics ranging from ransomware and dark web marketplaces to law enforcement takedowns and hacktivism.

Michael Gianarakis

Speaker

Michael Gianarakis

CEO at Searchlight Cyber

Michael Gianarakis is CEO of Searchlight Cyber, a leader in premptive cybersecurity. With over a decade in the security industry, Michael has built and led offensive security teams across Asia Pacific and Japan. In 2018 he co-founded Assetnote, a pioneering attack surface management platform acquired by Searchlight Cyber in 2025 – bringing best-in-class ASM capability into the PTEM platform. Michael is a respected security researcher and has presented at DEF CON, Black Hat Asia, BSides Las Vegas, Hack in the Box, AusCERT, Thotcon, 44Con, and OWASP.

Ben Jones

Speaker

Ben Jones

Strategic Advisor and Co-Founder at Searchlight Cyber

Ben Jones is the Co-Founder and former CEO of Searchlight Cyber. Ben started his career in defense and aerospace as an engineer designing unmanned aircraft. He transitioned into cybersecurity after recognizing the evolution of warfare towards virtual battlefields and the rapid growth of cyber threats to nations, organizations, and individuals. Searchlight launched in 2017 to help governments and law enforcement protect society from criminal threats across the dark, deep, and clear web. The company has since been involved in some of the world's largest dark web investigations and has now brought that same attacker intelligence and exposure management to enterprise security teams. As a strategic advisor, Ben supports the global cybersecurity firm in driving its commercial growth internationally and the development of its preemptive threat exposure management platform – equipping security teams with the visibility to neutralize threats before they become attacks.

Topics

The Five Stages of CTEM

Explaining the key components of CTEM, as defined by Gartner: Scoping, Discovery, Prioritization, Validation and Mobilization.

ASM and Threat Intelligence within CTEM

With Attack Surface Management effectively forming the foundation of CTEM, while threat intelligence informs prioritization of resources.

Practical Advice on Implementing CTEM

From common pitfalls organizations should avoid, to how security teams can measure the success and maturing of their CTEM program.

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