Startup profile · funding coverage
Material Security
Email security platform protecting cloud email from account takeover and data loss.
Stage
growth
Status
private
Coverage
full
Why Material Security is interesting
Material Security addresses cloud email as the enterprise crown jewel — complementary to AegisAI/Glow narratives.
Key facts
- Series C (May 2022): $100M at $1.1B led by Founders Fund with a16z returning (Material Security, Businesswire)
- a16z led seed (Jun 2020) per a16z announcement
Investors in our directory
Funds linked from Material Security's profile — open a fund page for stage focus and related deal articles.
Industries
Cybersecurity Enterprise SaaS
Industry hub pages are rolling out from our fund-derived baseline taxonomy.
FAQs about Material Security
Funding context and why this company shows up in venture coverage.
Material Security is listed among Andreessen Horowitz (a16z) investments on a16z’s public investment list.
We track a16z-backed companies that are strategically relevant for founders and investors following AI, American Dynamism, crypto, bio, and enterprise software.
Last updated: 2026-07-24