Harmonic Security
Harmonic Security is a cybersecurity company specializing in AI Security, founded in 2023 and headquartered in San Francisco, United States. It has raised $24.5M in equity across 3 priced rounds, employs about 70 people, and is privately held.
updated Sep 9, 2026
Latest Harmonic Security news and company activity
What Harmonic Security did, dated — selected moves from the record, one per kind, newest first.
- Sep 2026RecognitionHarmonic Security Included as Example Vendor in Gartner Market Overview for AI Usage Control
- Aug 2026PartnershipClimb Signs Distribution Agreement with Harmonic Security to Help Secure Mid-Market & Enterprise AI Adoption
- Dec 2025Exec changeSue-wei A Chen joins Harmonic Security as Vice President Finance
- Oct 2025Product launchHarmonic Security Launches MCP Gateway – Providing Complete Visibility and Control Over an Organization's Agentic AI Ecosystem
Harmonic Security Momentum score
47/ 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.
Harmonic Security funding
Harmonic Security has raised $24.5M in priced equity. Its most recent round was a Series A in October 2024.
- Equity raised
- $24.5M3 priced rounds
- Last round
- Series AOct 2024
Harmonic Security employees and hiring
Harmonic Security has about 70 employees, with 15 open roles.
- Employees
- 70
- 30-day change
- 0%
- Open roles
- 15
Harmonic Security competitors
Security professionals most often compare Harmonic Security against Duality Technologies on cybersectools.com. The full competitive set, with overlap scoring, is in the platform.
by search demand for comparison pages on cybersectools.com, 90 days
The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobs15 live postings, role mix
- Tech stackframeworks, clouds, security
