QualysGuard Cloud Architecture



Qualys has built a Global Cloud Architecture developed from the ground up
to automate IT security and compliance.

Unique Benefits


  • Software-as-a-Service (SaaS) Advantage. There's nothing to install or manage. Support for operating and maintaining the solution falls squarely on Qualys.
  • Global Deployment. Easily performs scans on geographically distributed and segmented networks both at the perimeter and behind the firewall.
  • Lower and Predictable TCO. On demand SaaS technology offers significant economic advantages with no capital expenditures, extra human resources or infrastructure or software to deploy and manage.
  • Comprehensive and Up-to-Date. QualysGuard has the largest KnowledgeBase of vulnerability signatures in the industry (18,000+) and performs over 1 billion IP scans/audits per year. Since QualysGuard is centrally managed, vulnerability and software updates are made in real-time.
  • Highly Scalable. Rapidly deploy and expand using QualysGuard's on demand architecture.

The Architecture Consists of:

Web User Interface

The Web User Interface provides secure access to QualysGuard at any time, from anywhere. From a standard Web browser users can launch scans, examine vulnerability trends, access fix information and track vulnerability tickets.

Secure Operations Centers (SOCs)

Qualys SOCs provide secure storage and processing of vulnerability data on an n-tiered architecture of load-balanced application servers. High availability, continuously monitored safe datacenters host physically and logically secure databases with encrypted data storage.

KnowledgeBase

The KnowledgeBase contains the intelligence that powers QualysGuard's comprehensive on-demand network security audits and vulnerability management. Qualys updates the KnowledgeBase daily with signatures for new vulnerabilities, validated fixes and signature improvements. Continuous automated updates ensure QualysGuard Web service users that they are always testing for the latest vulnerabilities.

Internet Remote Scanners

QualysGuard's Internet Scanners provide fast and efficient external scanning. Qualys hosts a collection of Internet Scanners optimized to scan publicly facing devices globally via the Internet. In this manner, QualysGuard scans and processes security audits in parallel for optimum speed of operations. The inference-based scanning engine employs an un-trusted approach for greater accuracy and scalability, delivering both accurate results and scalable performance.

QualysGuard Scanners for Internal Scanning


  • QualysGuard Scanner Appliance
    QualysGuard Scanners are appliance versions of the Internet Remote Scanners. Scanners enable customers to bring QualysGuard's assessment capabilities to their internal networks. Installed in minutes and requiring no maintenance by the user, the hardened Linux appliance needs no special firewall configurations to obtain updates and new vulnerability signatures and perform scan jobs, returning results securely over a standard SSL-encrypted channel.
Scanner Appliance

  • QualysGuard Virtual Scanner Appliance
    QualysGuard’s software-based virtual scanner appliances are qualified to run on many of the most common virtualization and cloud platforms including VMware and Amazon EC2. These virtualized scanners supplement the current hardware-based QualysGuard Scanner Appliances. Like with the hardware-based scanners, customers can manage the virtual scanners from their QualysGuard accounts via a secure web interface, where all gathered scan data will be available for reporting and remediation. Installed in minutes and requiring no maintenance by the user, scanners needs no special configurations to obtain updates and new vulnerability signatures.

QualysGuard Data Security

The QualysGuard Web service is the first and only solution to encrypt vulnerability data end-to-end, ensuring the data is secure at any time so only customers have access to the scan data. Two-factor RSA SecurID authentication is also available for enterprise customers seeking advanced user authentication in accessing the QualysGuard service. QualysGuard's data security has undergone an annual SSAE 16 SOC 1 Type II audit and a comprehensive penetration test from trusted third parties confirming the security of the architecture.
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