CISO Tribune

Vendor comparison · 2 companies

Armadin vs Assail

Armadin is a cybersecurity company providing an agentic AI, continuous offensive security platform that identifies and proves exploitable risk across the entire attack surface. Assail sells Ares, an autonomous offensive security platform that tests applications, APIs, mobile apps and AI systems and shows what an attacker could actually reach. CISO Tribune files both under Breach simulation and automated pen-testing. This page sets the two records side by side: what each sells, where it is based, who owns and funds it, the customers it names and its recent news, each fact numbered to its source.

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  • Armadin
  • Assail
Armadin vs Assail: Products, Customers and Funding Compared
ArmadinArmadin is a cybersecurity company providing an agentic AI, continuous offensive security platform that identifies and proves exploitable risk across the entire attack surface.armadin.comAssailAssail sells Ares, an autonomous offensive security platform that tests applications, APIs, mobile apps and AI systems and shows what an attacker could actually reach.assailai.com
What it sells
  • The Ultimate Attacker[1][5]Armadin built the Ultimate Attacker to expose hidden risk before it becomes an adversarial opportunity.
  • Armadin Red[3]AI inference workloads are delivered through Armadin Red.
  • Ares[1][3][4][5][6][7][9][10][11][12]Continuous autonomous red teaming across web applications, APIs, and mobile apps.
  • Reaper[3]Autonomous offensive cyber operations built for military, federal, and intelligence missions.
  • Assail Anywhere[3]Deployment option for the entire platform, including the AI model.
Categories
Headquarters
Not stated on its pagesNot stated on its pages
Founded
Not stated on its pagesNot stated on its pages
Ownership and funding
Not stated on its pagesPrivately held
Named customers
Not stated on its pagesNot stated on its pages
Recent news
  • October 1, 2026Armadin raised an additional $255.5 million in Series B funding, bringing its total funding to $445 million.[7]
  • March 10, 2026Armadin announced that it raised $189.9 million in Seed and Series A funding.[6]
  • November 4, 2026Assail, Inc. announced Cassandra, a proactive AI agent integrated into its Ares platform, along with expanded threat modeling capabilities tied to autonomous security testing.[11]
  • July 7, 2026Assail Inc. launched Sidewinder, a rebuilt second-generation version of its Ares offensive security platform running on a new 31 billion-parameter model.[12]
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Armadin describes its platform as architected to operate across global environments. Its data agreements include jurisdiction-specific terms for customers in regions such as the EEA, UK, Switzerland, Canada and Australia. Armadin's engineering team builds enterprise security products.From its own pages, Assail sells mainly to security teams in manufacturing, financial services, federal and state government, automotive, retail, and defense. Its industry pages address manufacturers, banks and fintech firms, government agencies, vehicle makers, retailers, and defense programs. Assail also says it supports on-premises, air-gapped, own-cloud, and SaaS deployment for organizations that need to keep data under their control.
Last verified
November 9, 2026October 21, 2026

Where they overlap

  • Breach simulation and automated pen-testing is the primary category of both Armadin and Assail.

Where they differ, field by field

  • Assail is also filed under API security and Mobile security.
  • Armadin lists The Ultimate Attacker and Armadin Red. Assail lists Ares, Reaper and Assail Anywhere.
  • Assail is privately held.

How they differ

CISO Tribune files both Armadin and Assail under Breach simulation and automated pen-testing as the primary category, and both describe autonomous, AI-driven offensive security platforms. Armadin sells The Ultimate Attacker and Armadin Red, and describes a platform that charts the attack surface, enumerates hosts, profiles people and analyzes defenses. Armadin says it combines red team expertise with autonomous AI-driven attacker swarms, and that each validated kill chain comes with prioritized guidance. Assail sells Ares, which tests web applications, APIs, mobile apps and AI systems, and Reaper, which is built for military, federal, and intelligence missions. CISO Tribune also files Assail under API security and Mobile security. Assail also sells Assail Anywhere, a deployment option for the entire platform, including the AI model.

Armadin's records show data agreements with jurisdiction-specific terms for customers in regions such as the EEA, UK, Switzerland, Canada and Australia. Assail says its platform can deploy on-premises, in air-gapped networks, in the customer's own cloud, or through its SaaS. Assail names customers or sectors including manufacturing, financial services, federal and state government, automotive, retail, and defense, and one customer, Branch, says Ares helps it validate remediations faster. Armadin's board additions in 2026 include representatives from Accel and Ballistic Ventures, the latter of which led its seed round. Assail is privately held.

On October 1, 2026, Armadin raised an additional $255.5 million in Series B funding, bringing its total funding to $445 million. On March 10, 2026, Armadin announced $189.9 million in Seed and Series A funding. On November 4, 2026, Assail announced Cassandra, an AI agent integrated into Ares. On July 7, 2026, Assail launched Sidewinder, a second-generation version of Ares running on a new 31 billion-parameter model.

What it sells: Assail

What Ares does[1][3][4][5][6][7][9][10][11][12]
Ares uses coordinated AI agents to discover weaknesses and validate what an attacker could actually reach. It tests authenticated applications through the existing identity provider and tracks changes across known and shadow APIs. Ares delivers the evidence behind each confirmed risk.
What Reaper does[3]
Assail describes Reaper as built for military, federal, and intelligence missions. Assail has expanded Reaper's sovereign deployment architecture to AWS GovCloud and Google Cloud Assured Workloads.

Questions about Armadin and Assail

What do Armadin and Assail sell?
Armadin sells The Ultimate Attacker and Armadin Red. Assail sells Ares, Reaper and Assail Anywhere.
Are Armadin and Assail in the same category?
Yes. Breach simulation and automated pen-testing is the primary category of both on CISO Tribune.
Who owns Armadin and Assail?
Assail is privately held.
Who are Armadin and Assail sold to?
Armadin describes its platform as architected to operate across global environments. From its own pages, Assail sells mainly to security teams in manufacturing, financial services, federal and state government, automotive, retail, and defense.
What have Armadin and Assail announced recently?
October 1, 2026: Armadin raised an additional $255.5 million in Series B funding, bringing its total funding to $445 million. November 4, 2026: Assail, Inc. announced Cassandra, a proactive AI agent integrated into its Ares platform, along with expanded threat modeling capabilities tied to autonomous security testing.

About Armadin

Armadin is a cybersecurity company providing an agentic AI, continuous offensive security platform that identifies and proves exploitable risk across the entire attack surface. Armadin combines red team expertise with autonomous AI-driven attacker swarms to uncover real paths to compromise and to prioritize remediation.[4][5]

Armadin's platform charts the attack surface, enumerates hosts, profiles people and analyzes defenses. Armadin's attacker probes in parallel, swarming weak points and learning from each attempt.[4]

Armadin builds seasoned red team methodology into autonomous agents that model real attacker behavior. Armadin's platform has guardrails for controlled execution and scoped impact. Every validated kill chain in Armadin's platform comes with prioritized guidance. Armadin's platform is architected to operate across global environments.[4]

Armadin's team includes red teamers, AI builders and cybersecurity pioneers.

Travis is a founder and Chief Technology Officer at Armadin and leads the company's product and engineering efforts. David is responsible for defining Armadin's AI-driven architecture. Vasu leads Armadin's strategy, strategic partnerships, marketing, communications, customer success and corporate development initiatives. Frank serves as Chief Financial Officer of Armadin. Chinmaya leads Armadin's engineering team, and Greg is responsible for Armadin's product portfolio.

George Kurtz, the CEO and founder of CrowdStrike, joined the Armadin Board in 2026. Retired General Paul M. Nakasone, the former Director of the NSA, joined the Armadin Board in 2026. Ping Li, a partner at venture capital firm Accel, joined the Armadin Board in 2026. Jake Seid, co-founder of Ballistic Ventures, led Armadin's seed round and joined the Armadin Board in 2026.

Armadin has a Data Processing Agreement that governs how Armadin processes personal information on behalf of its customers. Armadin has a July 2026 cross-border data transfer framework for customer personal data. Armadin, Inc. has an End User License Agreement for its services. Armadin had an independent third-party penetration test conducted in 2026.[1][4][5]

Armadin on the record

Sources

Armadin full record

  1. [1]armadin.comArmadin · armadin.com · undated page, accessed October 7, 2026 · Tier A
  2. [2]Expert AI Cybersecurity & Cyber Defense Company | ArmadinArmadin · undated page, accessed October 7, 2026 · Tier A
  3. [3]Trust Center - ArmadinArmadin · undated page, accessed October 31, 2026 · Tier A
  4. [4]AI Cybersecurity Platform | Armadin Enterprise Grade TechnologyArmadin · undated page, accessed October 31, 2026 · Tier A
  5. [5]Armadin: AI-native cybersecurity platformArmadin · undated page, accessed October 31, 2026 · Tier A
  6. [6]Armadin Secures Record-Breaking $189.9M in Seed and Series A Funding to Combat the Era of AI-Driven HyperattacksArmadin · published March 10, 2026 · Tier A
  7. [7]Investors Back Armadin Platform Strategy with New Round of FundingArmadin · published October 1, 2026 · Tier A

Assail full record

  1. [1]assailai.comAssail · assailai.com · undated page, accessed October 21, 2026 · Tier A
  2. [2]Press releasesAssail · assailai.com · undated page, accessed October 21, 2026 · Tier A
  3. [3]Assail | Autonomous Offensive AI for the modern application stackAssail · undated page, accessed November 4, 2026 · Tier A
  4. [4]Assail | Autonomous Offensive AI for the modern application stackAssail · undated page, accessed November 4, 2026 · Tier A
  5. [5]Assail | Autonomous Offensive AI for the modern application stackAssail · undated page, accessed November 4, 2026 · Tier A
  6. [6]Assail | Autonomous Offensive AI for the modern application stackAssail · undated page, accessed November 4, 2026 · Tier A
  7. [7]Automotive | AssailAssail · undated page, accessed November 4, 2026 · Tier A
  8. [8]Assail | Autonomous Offensive AI for the modern application stackAssail · undated page, accessed November 4, 2026 · Tier A
  9. [9]Assail | Autonomous Offensive AI for the modern application stackAssail · undated page, accessed November 4, 2026 · Tier A
  10. [10]Assail | Autonomous Offensive AI for the modern application stackAssail · undated page, accessed November 4, 2026 · Tier A
  11. [11]Assail Introduces Cassandra, a Proactive AI Agent Connecting Threat Modeling with Autonomous Security TestingPR Newswire · published November 4, 2026 · Tier A
  12. [12]Assail launches Sidewinder, an offensive security AI that fixes its own mistakesSiliconANGLE · published July 7, 2026 · Tier B

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