Company lists · Data refreshed September 2026
Top 25 Application security service providers based in Atlanta, United States
RevenueBase identified 86 application security service providers headquartered in Atlanta, United States as of September 2026 and tracks 601 professional contacts across them, including 230 with verified work emails. New York is the largest hub.
This list covers application security 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 14, 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.
The 25 largest application security service providers based in Atlanta, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 150 contacts → | ||||
Indirect evidence “From CND in the Cloud to CSfC with Enterprise Remote Capabilities, OSC Edge empowers organizations with solutions that prepare them for today and tomorrow.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 2 | 89 contacts → | ||||
Indirect evidence “Scybers is a pure-play global cybersecurity firm.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 3 | 32 contacts → | ||||
Partial evidence “Fortuna Cysec delivers a comprehensive security ecosystem that seamlessly integrates with your existing infrastructure, offering end-to-end protection with the flexibility to…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 4 | 28 contacts → | ||||
Partial evidence “Red Sentry delivers expert-led penetration testing to help businesses identify and fix security vulnerabilities before attackers can exploit them.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 5 | 26 contacts → | ||||
Indirect evidence “Genix Cyber - Empowering Cybersecurity Excellence Welcome to Genix Cyber, a distinguished US-based advisory firm founded by former CISOs and Auditors.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 6 | 24 contacts → | ||||
Partial evidence “vPenTest from Vonahi Security, a Kaseya company, is the leading SaaS platform that's revolutionizing network penetration testing through automation.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 7 | 15 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 14, 2026Thanks. The Data Team will review it. | |||||
| 8 | 11 contacts → | ||||
Partial evidence “Serket-Tech Security helps organizations transform compliance requirements into security advantages.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 9 | 8 contacts → | ||||
Indirect 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 14, 2026Thanks. The Data Team will review it. | |||||
| 10 | 7 contacts → | ||||
Indirect evidence “Pillar Technology Partners helps mid-sized organizations protect the data that matters most.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 11 | 7 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 12 | 5 contacts → | ||||
Indirect evidence “ImagineX is a leading digital services firm whose mission is to help our clients and technologists to #BeBetter.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 13 | 4 contacts → | ||||
Partial evidence “MaxDefense LLC is a Managed Security Services Provider (MSSP) headquartered in Duluth, GA.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 14 | 4 contacts → | ||||
Partial evidence “Satine Technologies is a cybersecurity and software engineering firm specializing in delivering comprehensive security solutions, DevSecOps implementation, and advanced software…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 15 | 4 contacts → | ||||
Partial evidence “Delivers high quality innovative cyber security solutions that help protect clients from malicious activity.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 16 | 4 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 17 | 4 contacts → | ||||
Partial evidence “StealthNet AI is a technology driven cybersecurity company founded by offensive security professionals with real world testing backgrounds.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 18 | 3 contacts → | ||||
Indirect evidence “Trusted advisors and systems integrators in cybersecurity, cyber advisory services, advanced networking, and full-stack observability” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 19 | 2 contacts → | ||||
Indirect evidence “Founded in 2020, Kailash is a specialized consultancy firm focused on cybersecurity, risk, and compliance services.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 20 | 2 contacts → | ||||
Partial evidence “Opus is a cyber security firm headquartered out of Atlanta Georgia.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2 contacts → | ||||
Partial 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 14, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 contacts → | ||||
Partial evidence “Firebrand Security Consulting is a professional services firm, specializing in cyber security.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 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 14, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: application security service providers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names application security service providers.
- Partial evidence
- Its own public description names part of application security service providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name application security service providers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 86 application security service providers based in Atlanta, United States
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 230 reachable decision-makers.
Free signup · no credit card
Application security service providers based in Atlanta, United States at a glance
As of Sep 14, 2026Companies by employee count
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 86 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 application security 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 “application security 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 application security 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 application security 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, 230 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 14, 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.
Application security service providers by metro in the United States
- Application security service providers in New York128
- Application security service providers in Austin90
- Application security service providers in Atlanta86
- Application security service providers in San Francisco86
- Application security service providers in Dallas77
- Application security service providers in Houston74
- Application security service providers in Miami71
- Application security service providers in Chicago70
- Application security service providers in Washington70
- Application security service providers in Tampa62
- Application security service providers in Los Angeles48
- Application security service providers in Columbia47
- Application security service providers in San Diego45
- Application security service providers in Arlington43
- Application security service providers in Boston43
- Application security service providers in Denver40
- Application security service providers in Charlotte37
- Application security service providers in Orlando36
- Application security service providers in Las Vegas35
- Application security service providers in Baltimore32
- Application security service providers in Seattle31
- Application security service providers in Reston30
- Application security service providers in San Antonio30
- Application security service providers in Wilmington30
- Application security service providers in Dover29
- Application security service providers in Huntsville29
- Application security service providers in Phoenix29
- Application security service providers in Sheridan29
- Application security service providers in Alexandria28
- Application security service providers in Fairfax27
- Application security service providers in Mclean27
- Application security service providers in Raleigh27
- Application security service providers in San Jose26
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 application security 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 application security service providers are there based in Atlanta, United States?
RevenueBase identified 86 application security 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?
OSC Edge, headquartered in Atlanta, tops this list with the largest team on record.
Which city has the most application security service providers?
New York leads with 128 headquartered companies, followed by Austin (90) and Atlanta (86).
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 230 verified decision-maker contacts tracked across these 86 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 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 86 application security service providers based in Atlanta, United States. Start with a free account, no credit card.
Download this list →Related lists
Application security service providers by geography
- Application security service providers based in Brisbane, Australia
- Application security service providers based in Canberra, Australia
- Application security service providers based in Melbourne, Australia
- Application security service providers based in Sydney, Australia
- Application security service providers based in Brasilia, Brazil
- Application security service providers based in Rio De Janeiro, Brazil
- Application security service providers based in Sao Paulo, Brazil
- Application security service providers based in Calgary, Canada
- Application security service providers based in Montreal, Canada
- Application security service providers based in Ottawa, Canada
- Application security service providers based in Toronto, Canada
- Application security service providers based in Vancouver, Canada
Browse the directory
Browse: Companies home · Application security service providers in United States · All United States lists · All Application security service providers lists · New lists
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Application security service providers based in Brisbane, Australia
- Application security service providers based in Canberra, Australia
- Application security service providers based in Melbourne, Australia
- Application security service providers based in Sydney, Australia
- Application security service providers based in Brasilia, Brazil
- Application security service providers based in Rio De Janeiro, Brazil