Asymmetric Security raises $4.2M in oversubscribed pre-seed round led by Susa Ventures to enhance cybersecurity efficiency with AI.
Amount Raised
$4.2 Million
Round Type
Pre-Seed
San FranciscoInformation TechnologyArtificial IntelligenceSecurityCyber SecurityMachine LearningNetwork SecurityInvestors
Description
Asymmetric Security has launched with a $4.2 million oversubscribed pre-seed funding round led by Susa Ventures, aimed at revolutionizing cybersecurity investigations. The company plans to utilize the funding to hire across engineering and incident response. With its innovative approach, it claims to make investigations 10x faster. Notable investors include angel investors like Charlie Songhurst and Geoff Ralston.
Quick answer
Asymmetric Security raised $4.2 Million in a Pre-Seed round, dated January 21, 2026. Investors: Geoff Ralston, Halcyon Ventures, Overlook Ventures, Charlie Songhurst, Matt Clifford and Susa Ventures. Asymmetric Security is based in San Francisco, California, United States.
- How much did Asymmetric Security raise?
- Asymmetric Security raised $4.2 Million in a Pre-Seed round on January 21, 2026.
- Who invested in Asymmetric Security?
- Geoff Ralston, Halcyon Ventures, Overlook Ventures, Charlie Songhurst, Matt Clifford and Susa Ventures are named as investors in this round.
- What does Asymmetric Security do?
- Asymmetric Security is a full stack AI incident response services company that aims to revolutionize cybersecurity investigations.
- Where is Asymmetric Security based and how big is it?
- Asymmetric Security is based in San Francisco, California, United States.
- Who are the decision-makers at Asymmetric Security?
- Fundz holds 1 contact at Asymmetric Security. Names and contact details are shown to Fundz members.
Source: Fundz verified event record.
Who else raised in Security and Cyber Security around the same time
Companies in the same sectors as Asymmetric Security that raised within 45 days of this round, from Fundz verified event records.
- Reclaim Security raised $20M (Series A) on March 4, 2026.
- Astelia raised $35M (Seed) on February 24, 2026.
- Adaptive Security raised $81M (Series B) on December 16, 2025.
- Huper Corporation raised $1.5M (Pre-Seed) on February 26, 2026.
- Secai raised $6.2M (Series A) on February 11, 2026.
- Furl raised $10M (Seed) on January 21, 2026.
Who to call at Asymmetric Security, and when
A new round usually means Asymmetric Security is about to hire and buy. The teams that reach out first get the meeting.
- An alert the day Asymmetric Security raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at Asymmetric Security, from your own LinkedIn network
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Related People
Asymmetric Security raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.
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