Tech Insights

EASM

Last updated May 18, 2025, generated by Sumble

What is EASM?

External Attack Surface Management (EASM) is a technology that helps organizations discover and manage their external-facing digital assets. It involves continuously discovering internet-facing assets like websites, servers, cloud infrastructure, and applications that an organization owns, often uncovering previously unknown or forgotten assets. EASM then assesses these assets for vulnerabilities, misconfigurations, and other security risks, providing insights to prioritize remediation efforts and reduce the attack surface. It's commonly used to identify shadow IT, prevent data breaches, and improve overall security posture by providing a comprehensive view of an organization's external digital footprint.

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What other technologies are related to EASM?

EASM Complementary Technologies

SIEM

SIEM solutions aggregate security event logs from across an organization's IT infrastructure. EASM identifies external assets and vulnerabilities, which can then be fed into a SIEM for correlation and incident response, thus increasing visibility and providing more complete security monitoring. The two are complementary as the SIEM benefits from the broader asset discovery and vulnerability insights provided by EASM.

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