About Proofpoint
email protection, advanced threat protection, security awareness training, cloud app security, casb, archiving & compliance, information protection, digital risk protection, enterprise software, technology, software, information technology, insider threat management, security analytics tools, data security solutions, data protection, legal services, regulatory compliance, saas cybersecurity, computer systems design and related services
Proofpoint's Tech Stack
Marketing
Sales Outreach Angle
React-based front-ends indicate a modern web engineering stack. Developer tools, component libraries, testing frameworks, and design systems are relevant sales angles.
Proofpoint's Position in the StackWho Database
- • Proofpoint 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 Proofpoint).
Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated September 2026.
Frequently Asked Questions
What technology does Proofpoint use?
Proofpoint uses UltraDns, Microsoft Office 365, DemandBase, Drupal, VueJS, WP Engine, and 5 more technologies. This data is sourced from StackWho's technology detection engine.
How do I contact the decision makers at Proofpoint?
StackWho has verified email addresses for 112 decision makers at Proofpoint. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Proofpoint directly for sales, recruiting, or partnerships.
What industry is Proofpoint in?
Proofpoint operates in the computer & network security industry, headquartered in Sunnyvale, California, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.
Can I export Proofpoint's contact data?
Yes. StackWho Pro members can export decision maker contact data for Proofpoint and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.
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Director of Engineering
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