Bolster
Bolster is a cybersecurity company specializing in Threat Intelligence, founded in 2019 and headquartered in Santa Clara, United States. It has raised $46M in equity across 4 priced rounds, employs about 101 people, and is privately held.
updated Oct 11, 2026
Latest Bolster news and company activity
What Bolster did, dated — selected moves from the record, one per kind, newest first.
- Mar 2026Product launchBolster AI's Brand Guardian Combats AI-Driven Fraud
- Mar 2026PartnershipBolster AI Powers New Brand Guardian Solution to Combat AI-Driven Fraud
- Oct 2025Product launchBolster AI Launches "Signals" to Give CISOs Real-Time Intelligence on Brand and Cyber Risk
- Jun 2025Feature launch
Bolster Momentum score
64/ 100
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
Bolster funding
Bolster has raised $46M in priced equity. Its most recent round was a Series B in May 2024.
- Equity raised
- $46M4 priced rounds
- Last round
- Series BMay 2024
Bolster employees and hiring
Bolster has about 101 employees, up 3% over the last 30 days, with 6 open roles.
- Employees
- 101
- 30-day change
- +3%
- Open roles
- 6
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The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobs6 live postings, role mix
- Tech stackframeworks, clouds, security
