Qualys External Attack Surface Management

Qualys External Attack Surface Management is ranked #3 of 45 in patch management software on The Geeks Club. It runs on API, Linux, Web. There is no free plan. A free trial is offered.

Qualys External Attack Surface Management plans and pricing

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Qualys CyberSecurity Asset Management 3.0 with External Attack Surface Managemen Free 30 days CSAM with EASM · no cost for 30 days qualys.com · 1 Oct 2026

Compared on patch management software

Free plan: No
External asset discovery: Yes
Cloud asset discovery: Yes
Monitoring frequency: continuous
API access: Yes

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Qualys External Attack Surface Management

Purpose: EASM provides an outside-in view of external-facing infrastructure and continuously monitors internet-connected assets.
Asset discovery: It discovers domains, subdomains, cloud workloads, web applications, APIs, certificates and publicly exposed services.
Asset attribution: EASM identifies which discovered assets belong to an organization and maps their relationships.
Shadow IT: The product detects unapproved cloud services, test environments, abandoned assets and other unmanaged resources.
Change detection: It detects newly exposed assets and changes to existing internet-facing services.
Risk scoring: Discovered assets are prioritized with Qualys TruRisk scores that consider vulnerabilities, misconfigurations, asset criticality and external exposure.
Vulnerability workflow: Discovered assets can be added to inventory and scanned with VMDR for vulnerabilities, exposed services, certificates and configuration weaknesses.
Native integrations: Qualys lists native integrations with VMDR, Certificate View, Policy Compliance and Web Application Scanning.
Shodan dependency: EASM uses Shodan data to enumerate exposed assets on leased IPv4 netblocks, and enabling that discovery requires contacting a Qualys Technical Account Manager.
Compliance reporting: CSAM with EASM can create asset security health reports for PCI-DSS and FedRAMP.
ServiceNow: CSAM provides enriched, bidirectional ServiceNow CMDB integration for a continuously updated asset view.
Security controls: Qualys documents end-to-end encryption, strong access controls and SAML 2.0 enterprise SSO for CSAM.
Deployment: The service is fully managed from public or private cloud, requires no servers or software installation, and is accessed through a browser.
Extensibility: Qualys supports extensible XML-based APIs and integrations with GRC, ticketing, SIEM, ERM and IDS systems.

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Where it ranks on The Geeks Club

Best Patch Management Software in 2026#3 of 45
Best Vulnerability Scanning Software in 2026#5 of 31
Best Certificate Management Software in 2026#2 of 31
Best Web Application Security Scanners in 2026#1 of 29
Best Vulnerability Management Software in 2026#3 of 29
Best SaaS Security Posture Management Software in 2026#2 of 29
Best Attack Surface Management Software in 2026#1 of 28
Best Container Image Scanning Tools in 2026#1 of 27
Best Dynamic Application Security Testing Software in 2026#1 of 26
Best Security Configuration Management Software in 2026#2 of 25

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Sources

docs.qualys.com/en/csam/latest/inventory/sensors/easm.h· checked 1 Oct 2026
qualys.com/forms/cybersecurity-asset-management· checked 1 Oct 2026
cdn2.qualys.com/docs/qualys-cybersecurity-asset-managem· checked 1 Oct 2026
qualys.com/documentation· checked 1 Oct 2026
qualys.com/apps/external-attack-surface-management· checked 28 Sept 2026