Who are Bolster's competitors?

Hadrian, ZeroFox, and Praetorian are among the closest in Attack Surface. The full competitive set, with overlap scoring, is in the platform.

What products does Bolster sell?

Bolster sells Bolster Platform.

Bolster

Attack SurfaceSanta Clara, United Statesfounded 2019private

Bolster is a cybersecurity company specializing in Attack Surface, founded in 2019 and headquartered in Santa Clara, United States. It has raised $46M in equity across 4 priced rounds, employs about 91 people, and is privately held.

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updated Sep 12, 2026

Latest Bolster news and company activity

What Bolster did, dated — selected moves from the record, one per kind, newest first.

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

5 events tracked since Oct 2025 · selected events shownUnlock the complete Bolster timeline

Bolster Momentum score

37/ 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.

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Bolster products

Bolster PlatformAI platform for phishing detection, brand impersonation monitoring & takedowns.Details ↗

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

View the complete funding history

Bolster employees and hiring

Bolster has about 91 employees, down 1% over the last 30 days, with 3 open roles.

Employees: 91
30-day change: -1%
Open roles: 3

See hiring trends

The other 440 data points.

Funding historyevery round, every investor named
Headcount growthvelocity, departments, seniority
Open jobs3 live postings, role mix
Tech stackframeworks, clouds, security

Similar in Attack Surface

Common questions about Bolster.

How much funding has Bolster raised?: Bolster has raised $46M in priced equity. Its most recent round was a Series B in May 2024.
How many people work at Bolster?: Bolster has about 91 employees, down 1% over the last 30 days, with 3 open roles.
Who are Bolster's competitors?: Hadrian, ZeroFox, and Praetorian are among the closest in Attack Surface. The full competitive set, with overlap scoring, is in the platform.
What does Bolster do?: Bolster is a cybersecurity company specializing in Attack Surface, founded in 2019 and headquartered in Santa Clara, United States.
What products does Bolster sell?: Bolster sells Bolster Platform.