Q4 2025 Rankings

Cybersecurity Startups to Watch, Q4 2025

Name: Cybersecurity Startups, Engineering Acceleration Dataset, Q4 2025
Creator: VC Deal Flow Signal
Published: 2026-08-25
License: https://creativecommons.org/licenses/by/4.0/

Cybersecurity engineering teams show a bifurcated pattern: vulnerability scanning sprints vs. identity teams with steady commits but growing contributor lists.

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Key takeaways, at a glance

In Q4 2025, 12 of 22 tracked cybersecurity startups show positive engineering acceleration. lf-edge leads with 100 commits over 14 days (+285% change). The dominant signal pattern is "Deceleration". Average sector commit velocity is 179 commits per 14-day window. These engineering momentum signals have historically preceded fundraise announcements by three to six weeks.

Data sourced from public GitHub activity. Read our methodology

Cybersecurity, Velocity Change, top 8 startups by 14-day commit velocity change. Data: VC Deal Flow Signal.

Deceleration (10, 45%)

Framework migration (7, 32%)

Infrastructure buildout (3, 14%)

Engineering hiring burst (2, 9%)

Signal type distribution across 22 cybersecurity startups. Data: VC Deal Flow Signal.

#	Company	Stage	Geo	Commits (14d)	Change	Contributors	Contrib. Growth	New Repos	Signal
1	lf-edge LF Edge aims to establish an open, interoperable framework for edge computing independent of hardware, silicon, cloud, o View signal profile →	Growth	US	100	+285%	91	+122%	0	Engineering hiring burst
2	JanssenProject Cloud Native Identity and Access Management Platform View signal profile →	Growth	US	189	+93%	119	+28%	0	Framework migration
3	Infisical Infisical is the open-source secrets management platform: Sync secrets across your team/infrastructure, prevent secret l View signal profile →	Growth	US	285	+67%	239	+40%	3	Infrastructure buildout
4	kata-containers The speed of containers, the security of VMs View signal profile →	Growth	Unknown	90	+53%	326	+77%	0	Engineering hiring burst
5	projectdiscovery Monitor your infrastructure. Real vulnerabilities. Zero noise. View signal profile →	Growth	Unknown	882	+53%	246	+0%	0	Framework migration
6	akto-api-security Instant API Security View signal profile →	Growth	US	164	+44%	53	+3%	3	Infrastructure buildout
7	greenbone Open Source Vulnerability Management View signal profile →	Series A/B	EU	105	+38%	46	+9%	1	Framework migration
8	cilium eBPF-based Networking, Security, and Observability View signal profile →	Growth	Unknown	271	+27%	398	+0%	1	Framework migration
9	bytebase Database DevSecOps for Developer, DBA, Security, and Platform Engineering Teams. View signal profile →	Growth	US	235	+26%	103	+0%	0	Framework migration
10	yaklang yaklang is acybersecurity series a/b startup, investing in platform infrastructure and new product lines. View signal profile →	Series A/B	Unknown	442	+17%	34	+0%	3	Infrastructure buildout
11	gravitational The easiest, most secure way to access all your infrastructure. View signal profile →	Growth	US	199	+16%	326	+23%	1	Framework migration
12	fleetdm Open device, endpoint, and vulnerability management for everything from macOS to Android. View signal profile →	Growth	Unknown	292	+10%	398	+0%	0	Framework migration
13	freeipa FreeIPA project - An integrated Identity and Authentication solution for Linux/UNIX networked environments View signal profile →	Growth	Unknown	22	-8%	187	+0%	0	Deceleration
14	tenzir Open source data pipelines for security teams View signal profile →	Series A/B	EU	125	-8%	47	+0%	0	Deceleration
15	stackrox StackRox provides security across the container life cycle. Our container security platform reduces the attack surface, View signal profile →	Growth	US	141	-21%	88	+20%	1	Deceleration
16	wireapp Wire open source secure messenger View signal profile →	Growth	EU	75	-21%	92	+0%	3	Deceleration
17	openbao openbao is acybersecurity growth startup, modernizing their technology stack for scale. View signal profile →	Growth	Unknown	55	-31%	374	+28%	0	Deceleration
18	goauthentik Making authentication simple. View signal profile →	Growth	Unknown	131	-48%	454	+11%	0	Deceleration
19	OpenCTI-Platform Open Cyber Threat Intelligence Platform View signal profile →	Growth	US	93	-57%	198	+0%	0	Deceleration
20	dependency-check dependency check is acybersecurity growth startup, modernizing their technology stack for scale. View signal profile →	Growth	Unknown	23	-58%	322	+0%	0	Deceleration
21	monero-project Monero: the secure, private, untraceable cryptocurrency View signal profile →	Growth	Unknown	8	-72%	341	+109%	0	Deceleration
22	falcosecurity Falco is Container Native Runtime Security View signal profile →	Growth	Unknown	4	-78%	225	+8%	0	Deceleration

Sorted by commit velocity change (14-day window, descending). Top 3 highlighted. Data last updated Q4 2025.

Browse the full Cybersecurity directory: all 22 startups, paginated

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Projected lead-time window

≈21-day lead window

Projected next milestone

Team expansion / round prep

The free Sunday digest puts lf-edge and 21 other Cybersecurity startups this period in context, 14-day acceleration deltas, contributor maps, and the top names not on Crunchbase yet. Five names every Sunday, no card, no code-reading.

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Projections are model estimates derived from each org's public commit signal and the SSRN-published methodology, not statements of fact. Cross-reference with primary sources before acting.

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Signed The Data Nerd · pseudonymous narrator · methodology over personality

More views of Cybersecurity, Q4 2025

Best of 2025

Top Cybersecurity startups ranked across all 2025quarters →

Q4 2025 vs Q3 2025

How Cybersecuritycommit velocity has shifted quarter-over-quarter →

By signal type in this sector

Deceleration (10)Framework Migration (7)Infrastructure Buildout (3)Engineering Hiring Burst (2)

By stage

Series A/B

Other Quarters

Q2 2026 Q1 2026 Q3 2025

Frequently Asked Questions

What engineering signals are cybersecurity startups showing in Q4 2025?

In Q4 2025, we are tracking 22 cybersecurity startups with measurable GitHub engineering signals. 12 of 22 show positive commit velocity growth. The most common signal type is "Framework migration", observed in 15 of the tracked companies. The average 14-day commit velocity across the sector is 179 commits, with lf-edge leading at 100 commits (+285% change). These patterns have historically preceded fundraise announcements by three to six weeks.

Which cybersecurity startup has the highest engineering acceleration in Q4 2025?

lf-edge leads the cybersecurity sector in Q4 2025 with 100 commits over a 14-day window, representing a +285% change from the prior period. With 91 active contributors, lf-edge is showing a "Engineering hiring burst" pattern, one of the more reliable leading indicators of a significant product milestone or fundraise.

Where are the most active cybersecurity engineering teams located?

Among the 22 cybersecurity startups we track, US accounts for the highest concentration with 8 teams. Startups protecting systems, networks, and data from digital attacks. Geographic distribution matters for investors because engineering talent clusters correlate with sector-specific domain expertise and proximity to early adopter customers.

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