Company lists · Data refreshed September 2026

Top 19 Nonprofit cybersecurity service providers based in Atlanta, United States

RevenueBase identified 53 nonprofit cybersecurity service providers headquartered in Atlanta, United States as of September 2026 and tracks 175 professional contacts across them, including 48 with verified work emails. Across the United States, New York is the largest hub for this category (62 companies); Atlanta follows with 53.

This list covers nonprofit cybersecurity service providers headquartered in Atlanta, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review
53Companies
175Contacts tracked
48Verified emails
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The 19 largest nonprofit cybersecurity service providers based in Atlanta, United States

Ranked by team size
Top 19 of 53 nonprofit cybersecurity service providers based in Atlanta, United States, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to nonprofit cybersecurity service providers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 29, 20261-1022 contacts →

Indirect evidence

“The National Technology Security Coalition (NTSC) is a non-profit, non-partisan organization that serves as the preeminent advocacy voice for Chief Information Security Officers…”

Source: RevenueBase Database · checked Sep 29, 2026
2Partial evidenceAtlanta, GA, United StatesHQ checked Sep 29, 202611-5015 contacts →

Partial evidence

“HanaByte is a cybersecurity consultancy offering comprehensive services such as cloud security, security engineering, and compliance advisory services.”

Source: RevenueBase Database · checked Sep 29, 2026
3Partial evidenceAtlanta, GA, United StatesHQ checked Sep 29, 202611-5014 contacts →

Partial evidence

“Founded in part by former Arthur Andersen and BDO professionals, the NDNB Alliance of Firms is a nationally recognized group of entities specializing in cybersecurity, data…”

Source: RevenueBase Database · checked Sep 29, 2026
4Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 29, 202611-5013 contacts →

Indirect evidence

“Keeping up with the changing data security and compliance requirements is a full-time job.”

Source: RevenueBase Database · checked Sep 29, 2026
5Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 29, 202611-5011 contacts →

Indirect evidence

“Serket-Tech Security helps organizations transform compliance requirements into security advantages.”

Source: RevenueBase Database · checked Sep 29, 2026
6Partial evidenceAtlanta, GA, United StatesHQ checked Sep 29, 20261-108 contacts →

Partial evidence

“Adversarial Risk Management provides advisory services to cybersecurity startups and advisory work for fast-growing companies needing to establish an effective cyber program.”

Source: RevenueBase Database · checked Sep 29, 2026
7Partial evidenceAtlanta, GA, United StatesHQ checked Sep 29, 202651-2008 contacts →

Partial evidence

“Since 2015, Black Breach has established itself as an experienced-based, client-driven cybersecurity consulting and special services firm.”

Source: RevenueBase Database · checked Sep 29, 2026
8Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 29, 2026501-1,0006 contacts →

Indirect evidence

“This program is a partnership of businesses, the FBI, educational entities and the National Infrastructure Protection Center.”

Source: RevenueBase Database · checked Sep 29, 2026
9Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 29, 202611-504 contacts →

Indirect evidence

“Delivers high quality innovative cyber security solutions that help protect clients from malicious activity.”

Source: RevenueBase Database · checked Sep 29, 2026
10Partial evidenceAtlanta, GA, United StatesHQ checked Sep 29, 202611-502 contacts →

Partial evidence

“Founded in 2020, Kailash is a specialized consultancy firm focused on cybersecurity, risk, and compliance services.”

Source: RevenueBase Database · checked Sep 29, 2026
11Indirect evidenceAtlanta, United StatesHQ checked Sep 29, 202611-502 contacts →

Indirect evidence

“Founded in 2012, Stratigos Security provides consulting services on information security programs, strategy, and policy for businesses of every size.”

Source: RevenueBase Database · checked Sep 29, 2026
12Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 29, 20261-102 contacts →

Indirect evidence

“Mirability helps organizations keep IT and OT systems secure and compliant through its assess–guide–execute methodology.”

Source: RevenueBase Database · checked Sep 29, 2026
13Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 29, 202611-501 contacts →

Indirect evidence

“We provide our clients with consistent, process-driven outcomes that will be infused into your organization.”

Source: RevenueBase Database · checked Sep 29, 2026
14Partial evidenceAtlanta, GA, United StatesHQ checked Sep 29, 20261-101 contacts →

Partial evidence

“We're a healthcare cybersecurity and privacy team whose mission is to improve the state of healthcare by providing deep expertise, guidance, and execution for our clients.”

Source: RevenueBase Database · checked Sep 29, 2026
15Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 29, 20261-101 contacts →

Indirect evidence

“At TechCompass, we specialize in guiding businesses through the complexities of technology use, ensuring your digital operations are secure, effective, and perfectly aligned with…”

Source: RevenueBase Database · checked Sep 29, 2026
16Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 29, 20261-101 contacts →

Indirect evidence

“At Minerva Consulting, we specialize in helping small to midsize businesses protect their operations and unlock growth opportunities through.”

Source: RevenueBase Database · checked Sep 29, 2026
17Partial evidenceAtlanta, GA, United StatesHQ checked Sep 29, 20261-101 contacts →

Partial evidence

“Secure Technology Consultants (STC) is a cybersecurity and IT advisory firm focused on helping organizations strengthen security, manage risk, and improve operational resilience.”

Source: RevenueBase Database · checked Sep 29, 2026
18Partial evidenceAtlanta, GA, United StatesHQ checked Sep 29, 20261-101 contacts →

Partial evidence

“Asteros provides professional Cybersecurity services and consulting to small and medium business, education, enterprise, and non-profit organizations.”

Source: RevenueBase Database · checked Sep 29, 2026
19Partial evidenceAtlanta, United StatesHQ checked Sep 29, 20261-101 contacts →

Partial evidence

“Welcome to Arthur Allen Technology, your dedicated cybersecurity and IT partner for small businesses.”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 19 of 53 nonprofit cybersecurity service providers based in Atlanta, United States

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Nonprofit cybersecurity service providers based in Atlanta, United States at a glance

As of Sep 29, 2026
27.4%Verified-email coverage
3.3Average contacts per company
1-10Median size (employees)
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
39
11-50
11
51-200
2
501-1,000
1

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 53 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among nonprofit cybersecurity service providers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Atlanta, United States whose own description of what they do matches “nonprofit cybersecurity service providers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names nonprofit cybersecurity service providers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among nonprofit cybersecurity service providers, and records with no verified work email. Companies headquartered outside Atlanta are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 48 across the full list. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names nonprofit cybersecurity service providers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many nonprofit cybersecurity service providers are there based in Atlanta, United States?

RevenueBase identified 53 nonprofit cybersecurity service providers headquartered in Atlanta, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

National Technology Security Coalition, headquartered in Atlanta, tops this list with the largest team on record.

Which city in the United States has the most nonprofit cybersecurity service providers?

New York leads the United States with 62 headquartered companies, followed by Atlanta (53) and Houston (48).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 48 verified decision-maker contacts tracked across these 53 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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 Smart Search, 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.