Company lists · Data refreshed September 2026

Top 20 Funded cybersecurity startups based in Atlanta, United States

Name: Funded cybersecurity startups based in Atlanta, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 58 companies tracked

RevenueBase identified 58 company matches for funded cybersecurity startups associated with Atlanta, United States as of September 2026 and tracks 524 professional contacts across them, including 230 with verified work emails. Across the United States, New York is the largest hub for this category (125 companies); Atlanta has 58.

This list covers company matches for funded cybersecurity startups associated with Atlanta, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built

58Companies

524Contacts tracked

230Verified emails

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The 20 largest funded cybersecurity startups based in Atlanta, United States

Ranked by team size

Top 20 of 58 company matches for funded cybersecurity startups based in Atlanta, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	OSC Edge	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	51-200	150 contacts →
	Exact match “From CND in the Cloud to CSfC with Enterprise Remote Capabilities, OSC Edge empowers organizations with solutions that prepare them for today and tomorrow.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Scybers	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	51-200	89 contacts →
	Exact match “Scybers is a pure-play global cybersecurity firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Apptega	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	51-200	63 contacts →
	Exact match “As cyber-threats and regulatory mandates continue to expand, organizations are challenged by the difficulties of implementing effective cybersecurity and compliance programs.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Fortuna Cysec	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	51-200	32 contacts →
	Exact match “Fortuna Cysec delivers a comprehensive security ecosystem that seamlessly integrates with your existing infrastructure, offering end-to-end protection with the flexibility to…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Rapidfire Tools	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	11-50	14 contacts →
	Exact match “RapidFire Tools was acquired in 2018 by Kaseya.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Techoperators	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	1-10	9 contacts →
	Exact match “TechOperators is an early-stage VC firm focused on Cybersecurity.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Adversarial Risk Management	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	1-10	8 contacts →
	Exact match “Adversarial Risk Management provides advisory services to cybersecurity startups and advisory work for fast-growing companies needing to establish an effective cyber program.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Black Breach Security Division ITS	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	51-200	8 contacts →
	Exact match “Since 2015, Black Breach has established itself as an experienced-based, client-driven cybersecurity consulting and special services firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Cittadella LLC	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	1-10	7 contacts →
	Exact match “At Cittadella, we're not just providing security solutions but revolutionizing security for the modern world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Efortresses, INC	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	1-10	7 contacts →
	Exact match “eFortresses, Inc.(a Gartner 2013 Cool Vendor) is a AI powered Cybersecurity SaaS company that allows our customers to self-assess, get validated, get trained, get certified, and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Hacwatch	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	11-50	4 contacts →
	Exact match “Delivers high quality innovative cyber security solutions that help protect clients from malicious activity.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Intellinetic Cyber Consultants	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	11-50	4 contacts →
	Exact match “We combine pre-breach due diligence with on-site security engineering and triage services to provide our clients with the expertise, tools, and workforce they need to better…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	stealthnet.ai	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	1-10	4 contacts →
	Exact match “StealthNet AI is a technology driven cybersecurity company founded by offensive security professionals with real world testing backgrounds.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Gotime Digital	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “GoTime Digital \| The Apex Circuit Collective At GoTime Digital, we don’t just provide IT solutions-we engineer high-performance business acceleration through Cybersecurity…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	LOKX	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “Trusted advisors and systems integrators in cybersecurity, cyber advisory services, advanced networking, and full-stack observability” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Opus Business Technologies	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	11-50	2 contacts →
	Exact match “Opus is a cyber security firm headquartered out of Atlanta Georgia.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Firebrand Security Consulting	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match “Firebrand Security Consulting is a professional services firm, specializing in cyber security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	BVH LLC	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Targetproof	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match “With 10 years serving business needs for cybersecurity technologies and services, TargetProof has built its reputation on breadth of capabilities and speed to deliver exceptional…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	D&o Security Solutions	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match “D&O Security Solutions is an employee focused, Information Security and Management company founded to address the cyber security challenges facing the federal government.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “funded cybersecurity startups”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 20 of 58 funded cybersecurity startups based in Atlanta, United States

See the full list, filter by size, metro and specialty, and access 230 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Funded cybersecurity startups based in Atlanta, United States at a glance

As of Sep 28, 2026

43.9%Verified-email coverage

9.0Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

Email recency for this list is measured across the whole United States list rather than for Atlanta, so it is reported there. Company counts and contact totals on this page are exact for Atlanta, over 58 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Atlanta, United States whose business descriptions match “funded cybersecurity startups” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 230 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Funded cybersecurity startups by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “funded cybersecurity startups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many funded cybersecurity startups are there based in Atlanta, United States?

RevenueBase identified 58 company matches for funded cybersecurity startups associated with Atlanta, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

OSC Edge tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most funded cybersecurity startups?

New York leads the United States with 125 company records, followed by San Francisco (76) and Washington (73). Atlanta has 58.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 230 professional contacts with verified work emails tracked across these 58 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.