Funded Cybersecurity startups in Massachusetts
Every company below filed a Form D with the SEC from a Massachusetts address. Amounts are as reported on the filing, not estimates.
Updated Dec 24, 2025
- Companies
- 3
- Total raised
- $142.9M
- Filings
- 3
- Median round
- $12.0M
- Cities
- 3
CompanyCityLast filingLatest round
QuantumSafe Data SystemsOne-time pad encryption for private enterprise networks
Norwell
Dec 24, 2025
$263K
7AIAI agents that investigate security alerts
Boston
Nov 19, 2025
$130.6M
VulnCheckReal-time exploit and vulnerability intelligence
Lexington
Mar 5, 2025
$12.0M
All 3 companies · most recent filing first
Most recent filings
3All 3 companies · most recent filing first