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Research-Driven Offensive Security Consulting and

AttackIUM is an offensive security consultancy focused on high-impact, research-driven security assessments.

We specialize in penetration testing, red teaming, application and API security, cloud security assessments, and advanced code review for modern systems. Our work is performed manually by senior offensive security engineers with real-world experience securing large-scale, production environments.

  • Min project size
    $1,000+
  • Hourly rate
    $25 - $49 / hr
  • Employees
    2 - 9
  • Locations
    London, England
  • Year founded
    Founded 2025

1 Locations

  • London , England

Service Lines

No Focus Areas have been added yet…

Industries
Telecommunications
15%
eCommerce
15%
Advertising & marketing
10%
Financial services
10%
Information technology
10%
Arts, entertainment & music
5%
Automotive
5%
Business services
5%
Consumer products & services
5%
Education
5%
Media
5%
Medical
5%
Utilities
5%
Clients
Small Business (<$10M)
60%
Midmarket ($10M - $1B)
30%
Enterprise (>$1B)
10%

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Our Story

AttackIUM was founded to deliver offensive security the way it should be done: manually, thoughtfully, and with real-world impact. We are a senior-led offensive security consultancy focused on penetration testing, red teaming, application and API security, cloud security, and advanced code review.

Our work is research-driven and tailored to modern production environments, not checklist-based testing. AttackIUM partners closely with engineering and security teams to identify real attack paths, 

Locations (1)

71–75 Shelton Street, Covent Garden LondonEngland WC2H 9JQ

2 - 5

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