Qualys

qualys.com

computer & network security

qualys.com

Foster City, California, United States

1001-5000 employees

622040000 revenue

LinkedIn Profile

About Qualys

security saas, continuous security, network security, it asset visibility, container security, cloud security, web application security, policy compliance, pci compliance, file integrity monitoring, certificate security, cybersecurity asset management, vmdr, vulnerability management, patch management, enterprise detection & response, software, security, information technology, internet

Qualys's Tech Stack

AI/ML

Backend

Laravel

Node.js

Mobile

Android

React Native

22 technologies detected · 19 decision makers · Emails available

Sales Outreach Angle

CRMs like Salesforce signal an active sales operation. Companies using Salesforce are strong targets for sales training, RevOps tools, data enrichment, and Salesforce integrations.

Qualys's Position in the StackWho Database

• Qualys is 1 of 4,889 computer & network security companies tracked in StackWho.
• 4,875 computer & network security companies in our database have verified decision-maker emails (100% of the cohort).
• 53,147 companies in California are in the StackWho database.
• 56 computer & network security companies are in the 1001-5000 employee range (same size as Qualys).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

What technology does Qualys use?

Qualys uses Salesforce, Cloudflare DNS, Outlook, Microsoft Office 365, CloudFlare Hosting, Gmail, and 16 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Qualys?

StackWho has verified email addresses for 19 decision makers at Qualys. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Qualys directly for sales, recruiting, or partnerships.

What industry is Qualys in?

Qualys operates in the computer & network security industry, headquartered in Foster City, California, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Qualys's contact data?

Yes. StackWho Pro members can export decision maker contact data for Qualys and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.