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Startup · United States

Armadin

HQ Palo AltoFounded 202551-200 employees

Armadin is an AI-powered red teaming platform that continuously finds and eliminates exploitable risk across an organization's attack surface, matching the speed of modern AI-driven threats before adversaries can strike.

Startup
Website
Total raised
$445M
3 rounds
Last round
$256M
Series B · Oct 1, 2026

Funding3 rounds · $445M

Equity raised
$445M
Latest
$256MSeries B · Oct 1, 2026
Last valuation
$2.50B?Basis not stated · Series B · Oct 1, 2026
Cumulative raised$445M
Oct 10, 2025Oct 1, 2026

Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.

People4

All 4 people →

Hiring Observations10 observed listings

View all 23 listings →

A sample of observed listings, not a total vacancy count. Availability may have changed since collection. Categories are inferred from job titles.

Sources8

Profile2

  1. 1
    DatabaseArmadin - PitchBook company profile

    PitchBook · Supports Organization · employee range, Organization · x url

    “employee_range: 51-200 (profile: 154)”
  2. 2
    DatabaseArmadin - LinkedIn company profile

    LinkedIn · Supports Organization · employee range

    “employee_range: 51-200 (profile: 51-200 employees)”

Funding4

  1. 3
    CompanyArmadin Raises $255.5 Million Series B to Scale Effective Autonomous Security

    PR Newswire · Oct 1, 2026 · Supports Funding round · amount, Funding round · post money valuation usd

    “today announced it has raised $255.5 million in Series B funding co-led by Andreessen Horowitz (a16z) and Accel”
  2. 4
    CompanyArmadin Secures Record-Breaking $189.9M in Seed and Series A Funding

    Armadin · Mar 10, 2026 · Supports Funding round

    “Led by Accel, with participation from Google Ventures, Kleiner Perkins, Menlo Ventures, In-Q-Tel, and follow-on investment from 8VC and Ballistic Ventures”
  3. 5
    Regulatory filingArmadin, Inc. - SEC Form D (0002094470-26-000001)

    U.S. Securities and Exchange Commission · Jan 14, 2026 · Supports Funding round · amount

    “Total Amount Sold $165,199,989 USD”
  4. 6
    Regulatory filingArmadin, Inc. - SEC Form D (0002094470-25-000001)

    U.S. Securities and Exchange Commission · Nov 3, 2025 · Supports Funding round · amount

    “Total Amount Sold $23,999,997 USD”

People1

  1. 7
    OtherBlack Flag 100.2

    Black Flag · Supports Organization, Role

    “Armadin is an AI-powered red teaming platform that continuously finds and eliminates exploitable risk across an organization's attack surface, matching the”

Other1

  1. 8
    CompanyArmadin public job board

    Supports Job posting

    “Inside Sales Representative - Washington, DC”

Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.