Accel portfolio Cybersecurity companies

Global venture firm with a strong record in enterprise SaaS, security, and infra. Filtered to companies in Cybersecurity.

Edit the query above, or pick a refinement. 500 free credits on sign-up, no card needed.

Built from a search like: “Accel-backed Cybersecurity companies”

Ranked by current headcount across Accel-backed Cybersecurity companies. Refreshed monthly.

1
CrowdStrike· Remote, Oregon, United States
CrowdStrike (Nasdaq: CRWD), a global cybersecurity leader, has redefined modern security with the world’s most advanced cloud-native platform for protecting critical areas of enterprise risk — endpoints and cloud workloads, identity and data.Powered by the CrowdStrike Security Cloud and world-class AI, the CrowdStrike Falcon® platform leverages real-time indicators of attack, threat intelligence, evolving adversary tradecraft and enriched telemetry from across the enterprise to deliver hyper-accurate detections, automated protection and remediation, elite threat hunting and prioritized observability of vulnerabilities.Purpose-built in the cloud with a single lightweight-agent architecture, the Falcon platform delivers rapid and scalable deployment, superior protection and performance, reduced complexity and immediate time-to-value.CrowdStrike: We stop breaches.
- Post-IPO equity
- 16.3k employees
- Founded 2011
2
SentinelOne· Mountain View, California, United States
SentinelOne is the world's leading AI-powered cybersecurity platform. The SentinelOne Singularity platform, built on the first unified Data Lake, is revolutionizing security operations, with AI, solving use cases across Endpoint Protection, SIEM, Cloud Security, Identity Threat Detection and 24x7 Managed Threat Services.SentinelOne empowers the world to run securely by creating intelligent, data-driven systems that think for themselves, stay ahead of complexity and risk, and evolve on their own. Leading organizations—including Fortune 10, Fortune 500, and Global 2000 companies, as well as prominent governments – trust SentinelOne to Secure TomorrowTM. Learn more at sentinelone.com.-----------------------------------------------------------------------------We are recognized in leading 3rd party forums such as; - Gartner Endpoint Protection Magic Quadrant as a Leader 2021, 2022, 2023, 2024, 2025- Gartner Peer Insights Customer Choice for Endpoint Protection- Gartner Peer Insights Customer Choice Managed Detection & Response - Gartner Peer Insights Customer Choice Cloud-Native Application Protection Platform (CNAPP)- G2 #1 Ranked Cloud Workload Protection Platform- Mitre ATT&CK 100% Detections, No Delays 2020, 2021, 2022, 2023, 2024- Mitre Managed Services 100% Major Step Detections- Fortune Fifty 2024- Deloitte Fast 500; 2019, 2020, 2021, 2022, 2023, 2024- CRN Cloud & Security 100- CRN Most Influential CEO's- CRN Top 10 Coolest GenAI Products, PurpleAITo learn more about our products and services, please visit our website at sentinelone.com to schedule a demo
- Post-IPO equity
- 6.9k employees
- Founded 2013
3
Netskope· Santa Clara, California, United States
Netskope (NASDAQ: NTSK), a leader in modern security and networking for the cloud and AI era, addresses the needs of both security and networking teams by providing optimized access and real-time, context-based security for the AI ecosystem inclusive of agents, applications, tools, LLMs, people, devices, and data. Thousands of customers, including more than 30 of the Fortune 100, trust the Netskope One platform, its Zero Trust Engine, and its powerful NewEdge network to reduce risk and gain full visibility and control over cloud, AI, SaaS, web, and private applications – providing security and accelerating performance without trade-offs.
- Series unknown
- 3.4k employees
- Founded 2012
Live search
This list is a starting point
I can run a natural-language search across LinkedIn, GitHub, and the open web. Fire one of these, or edit the box up top to match exactly who you're after.
- Accel Cybersecurity companies hiringRun
- Accel Cybersecurity foundersRun
500 free credits on sign-up, no card needed.
4
1Password· North York, Ontario, Canada
Trusted by more than 180,000 businesses to protect their data, 1Password gives you complete control over passwords and other sensitive business information. As an integral layer of the Identity and Access Management (IAM) stack, 1Password protects all employee accounts – even those you aren’t aware of. Give employees secure access to any app or service and safely share everything you need to work together – including logins, documents, credit cards, and more – while keeping everything else private.1Password is easy to deploy and integrates with Azure AD, Okta, OneLogin, and Slack, so you can automatically provision employees using the systems you already trust. It’s simple to manage and fits seamlessly into your team’s workflow, so you can secure your business without compromising productivity.
- Secondary
- 3.2k employees
- Founded 2005
5
Tenable· Columbia, Maryland, United States
Tenable is the exposure management company, exposing and closing the cybersecurity gaps that erode business value, reputation and trust. The company’s AI-powered exposure management platform radically unifies security visibility, insight and action across the attack surface, equipping modern organizations to protect against attacks from IT infrastructure to cloud environments to critical infrastructure and everywhere in between. By protecting enterprises from security exposure, Tenable reduces business risk for more than 44,000 customers around the globe. Learn more at tenable.com.
- Post-IPO debt
- 2.4k employees
- Founded 2002

6
Snyk· Boston, Massachusetts, United States
Snyk, the leader in secure AI software development, empowers organizations to build fast and stay secure by unleashing developer productivity and reducing business risk. The company’s AI Trust Platform seamlessly integrates into developer and security workflows to accelerate secure software delivery in the AI Era. Snyk delivers trusted, actionable insights and automated remediation, enabling modern organizations to innovate without limits. Snyk is redefining secure AI-driven software delivery for over 4,500 customers worldwide today.Snyk was named a Leader in the 2023 Gartner Magic QuadrantTM for Application Security Testing (AST) and in The Forrester WaveTM: Software Composition Analysis (SCA) 2023, and has been recognized on the Forbes Cloud 100 2022 along with the 2023 CNBC Disruptor 50. For more information, visit https://snyk.io.
- Corporate
- 1.8k employees
- Founded 2015
7
Cyera· New York, New York, United States
Cyera is the industry-leading AI Security Platform. As AI transforms how data is created, accessed, and used, Cyera's mission is to enable global enterprises to adopt AI at scale by securing the data that fuels it. The platform provides organizations with precise visibility, and intelligent controls to secure data everywhere - at rest, in motion, and in use, whether used by humans or agents. Valued at $9 billion and backed by more than $1.7 billion in funding from top-tier investors including Accel, Blackstone, Cyberstarts, Georgian, Lightspeed, and Sequoia, Cyera is trusted by a growing number of Fortune 1000 companies adopting AI across their enterprise at scale.
- Series G
- 1.6k employees
- Founded 2021
8
Forescout Technologies Inc.· San Jose, California, United States
As AI-driven vulnerability and exploitation accelerate attack velocity to machine speed, Forescout is a foundational cyber defense layer that allows organizations to segment and isolate compromised systems, block lateral movement, and automate response across IT, OT, IoT, and IoMT environments. The Forescout VistaroTM platform, powered by agentic AI and enhanced with Vedere Labs threat intelligence, delivers a Universal Zero Trust Network Access (UZTNA) architecture that integrates seamlessly with 180+ security and IT products. With Forescout Vistaro, organizations get comprehensive inventory and classification of both managed and unmanaged assets, continuous exposure management, and real-time protection including dynamic network segmentation and automated threat response.
- Post-IPO equity
- 1.3k employees
- Founded 2000
9
Imperva· Austin, Texas, United States
On Dec. 4, 2023, Thales Group completed the acquisition of Imperva. Thales is a global leader in cybersecurity, helping the most trusted organizations protect critical applications, data, identities, and software anywhere, at scale. Through Thales’ integrated platforms, customers achieve better visibility of risks, defend against cyber threats, close compliance gaps, and deliver trusted digital experiences for billions of consumers every day.
- Series unknown
- 1.2k employees
- Founded 2002
10
Illumio· Sunnyvale, California, United States
Illumio is the leader in ransomware and breach containment, redefining how organizations contain cyberattacks and enable operational resilience. Powered by an AI security graph, our breach containment platform identifies and contains threats across hybrid multi-cloud environments – stopping the spread of attacks before they become disasters. Recognized as a Leader in the Forrester WaveTM for Microsegmentation, Illumio enables Zero Trust, strengthening cyber resilience for the infrastructure, systems, and organizations that keep the world running.
- Series F
- 944 employees
- Founded 2013

Reveal 43 more·500 free credits, no card

Accel’s Cybersecurity portfolio

The list above ranks Accel-backed Cybersecurity companies by current headcount, drawn from public LinkedIn and Crunchbase records. 48 matching companies in Refolk’s index give you a quick read on where Accel has gone deepest in the Cybersecurity space.

Accel’s Cybersecurity bets tend to share a thesis. The engineers, ML researchers, and founders inside these companies are often building the same primitives - and they show up in Cybersecurity talent pools across the next decade.

Refolk converts this list into a live search. Ask for “Accel Cybersecurity companies hiring senior engineers” or “founders of Accel-backed Cybersecurity companies” and Refolk returns a fresh ranked shortlist.

How this list is built

Refolk pulled Cybersecurity companies whose disclosed Crunchbase investor list includes Accel, ranked them by current employee count, and kept those with at least 5 employees. The list refreshes monthly.

Last refreshed: Wed, 16 Sep 2026 17:10:28 GMT

Search this list

Need a more specific search?

Refolk runs natural-language searches across LinkedIn, GitHub, and the open web. Try one of these:

500 free credits on sign-up, no card needed.

Related lists

See all company lists.

Or zoom out

Common questions

How is this ranking built?

The list draws on the public company graph - headcount and growth signals, funding history, and recency. The criteria chips at the top show exactly which filters produced it, and the methodology section explains the ranking.

How fresh is the data?

The underlying index updates continuously and this ranking is rebuilt monthly. Last refreshed: Wed, 16 Sep 2026 17:10:28 GMT. For a list built against the index as it stands today, sign up and run the search live.

Can I get the full list of 48 companies?

Yes. This page shows the top of the ranking; sign up and I'll run the search live for the complete, current list. You start with 500 free credits, no card required.

Can I find the people inside these companies?

Yes. Ask in plain English - for example "engineering leaders at these companies who joined in the last year" - and I return the specific people, with context on each.

Try it on the search you came here for

Stop building boolean strings. Just describe the person.

Type one sentence. I plan the search, read GitHub, public LinkedIn and Crunchbase records, and the open web as it is right now, and hand back a ranked list with the reason next to every name.

01Describe them
One plain sentence. Role, city, stack, stage, whatever matters to you.
02I read the web live
GitHub, public LinkedIn and Crunchbase records, the open web. Not a database that went stale last quarter.
03You read the shortlist
Ranked, with the reasoning under every name. Open a profile, ask a follow-up, narrow it down.

No boolean, no filters, no seat to buy. One box.
Read at search time, so a profile updated yesterday counts today.
Every step visible as it runs, every name with its reason.

500 free credits on sign-up. No card, no demo call. See real searches.

This list is a starting point