Who is Qualys?
Qualys is a cloud-based cybersecurity and compliance platform provider that offers vulnerability management, threat detection, and policy compliance services for enterprise IT environments.
- Cloud-based vulnerability and risk management for on-premises (on-prem), cloud, and hybrid assets
- Security configuration assessment and policy compliance across infrastructure and applications
- Web application and Application Programming Interface (API) security testing and monitoring
- Endpoint detection, threat protection, and remediation orchestration
- Security posture visibility and reporting through an integrated platform and dashboards
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More About Qualys
Qualys provides a unified cloud platform used by enterprises, government agencies, and service providers to identify, assess, and manage security and compliance risks across distributed IT environments. Its offerings are accessed as Software-as-a-Service (SaaS) and are designed to support large-scale, heterogeneous infrastructures that span data centers, public cloud, private cloud, containers, and remote endpoints.
The core of the Qualys platform focuses on vulnerability and risk management (vulnerability management / exposure management). Customers deploy lightweight agents or use network-based scanning to create an inventory of IT assets, detect software and configuration vulnerabilities, and prioritize remediation. This capability is used in enterprise vulnerability management programs, patch management workflows, and risk reporting to security and compliance teams.
Qualys also addresses policy and regulatory compliance (security configuration management / compliance). Its services evaluate system configurations, operating systems, databases, and other infrastructure components against internal policies and external benchmarks. These benchmarks typically align with common security frameworks and hardening guidelines. The platform produces compliance reports that support audit preparation and ongoing governance processes.
In the application security domain (web application security), Qualys provides tools to scan web applications and APIs for common vulnerabilities and misconfigurations. These capabilities are used by application security teams and DevOps groups to test externally exposed applications, monitor for changes, and reduce attack surface in production and pre-production environments.
Endpoint and workload protection (endpoint security / workload security) within the Qualys ecosystem centers on detecting threats, identifying vulnerable software, and supporting remediation via integrated workflows. The platform ingests telemetry from agents and scanners to surface prioritized issues, often integrating with IT service management or ticketing systems for remediation tracking.
Across these domains, Qualys delivers centralized visibility and analytics (security posture management / security analytics) through dashboards, reports, and data correlation. Security and IT operations teams use this consolidated view to understand exposure across networks, hosts, containers, cloud resources, and applications. The Qualys architecture relies on a cloud-native, multi-tenant platform, with distributed scanners and agents communicating over secure protocols to cloud back-end services and data stores.
In marketplace taxonomies, Qualys fits into categories such as vulnerability management, exposure management, security configuration and compliance, web application security, endpoint and workload security, and cloud security posture visibility. Its portfolio is used in conjunction with existing Security Information and Event Management (SIEM), Security Orchestration Automation Response (SOAR), and ITSM tools, typically integrated via APIs and connectors, to support broader Security Operations (SecOps), risk management, and compliance programs.
Our description of Qualys. Updated December 2025.
