---
title: "Series A / Series B Cybersecurity Startups — Engineering Acceleration (Q2 2026)"
url: https://signals.gitdealflow.com/stage/series-a-b/cybersecurity
description: "3 cybersecurity startups at series a / series b stage ranked in Q2 2026."
lastModified: 2026-06-27
source: VC Deal Flow Signal
---
# Series A / Series B Cybersecurity Startups — Engineering Acceleration (Q2 2026)

Growth-stage technical startups that have closed institutional rounds. Engineering signals at this stage are less about discovery and more about validation of trajectory.

## Summary — Q2 2026

- Tracked: 3 cybersecurity startups at series a / series b stage
- Top: greenbone — 76 commits/14d (+130%)
- Avg 14-day velocity: 104 commits

## Investor Insight

At Series A/B, engineering acceleration is a trajectory signal rather than a discovery signal. A hiring burst or platform buildout often precedes the next round. Institutional investors use these signals to prioritize outreach and refine conviction before a lead term sheet.

## Ranked Startups

1. **greenbone** — 76 commits/14d, +130% change, 46 contributors, stage: Series A/B, signal: Framework migration
2. **tenzir** — 166 commits/14d, -7% change, 47 contributors, stage: Series A/B, signal: Framework migration
3. **yaklang** — 71 commits/14d, -52% change, 34 contributors, stage: Series A/B, signal: Infrastructure buildout

## Canonical

https://signals.gitdealflow.com/stage/series-a-b/cybersecurity