Capability statement

Offset Security L.L.C.

Cybersecurity services for federal and commercial clients. Practitioner-led offensive security testing, secure code review, and reverse engineering, delivered with audit-ready documentation.

Company overview

Offset Security L.L.C. is a cybersecurity firm providing offensive security and application security services to federal and commercial clients. Work is led by a hands-on practitioner with a public research track record: 300+ accepted vulnerabilities, multiple P1 criticals rewarded on hardened programs, and OSCP+ and CRTO certifications.

We focus on the flaws that automated tooling misses, access control, authentication, and business-logic vulnerabilities, and back every engagement with clear evidence, framework-aligned reporting, and independent validation that fixes actually hold.

Core competencies

  • Web, API & GraphQL penetration testing
  • iOS & Android mobile application security
  • Red team support & adversary simulation
  • Internal & external vulnerability assessment
  • Secure code review (Java, Python, JS)
  • DevSecOps — SAST / DAST / SCA in CI/CD
  • Reverse engineering & binary analysis
  • Cloud security assessment (AWS / Azure / GCP)
  • Phishing & social engineering
  • Threat modeling & architecture review
  • Remediation validation & retest
  • Compliance mapping — NIST 800-53 / FISMA

Differentiators

  • Practitioner-led testing, not junior-staffed after the sale.
  • Proven on hard targets — P1s on Square, Cash App, FIS.
  • Framework-aligned reporting: OWASP, ATT&CK, CWE, NIST.
  • Fix-focused — remediation validation on every engagement.
  • Deep mobile & reverse-engineering capability in-house.
  • Audit-ready evidence for FISMA and NIST-driven programs.

Relevant experience

The firm's principal has delivered offensive security across government and commercial contexts, including application security management, offensive cyber operations supporting FISMA and NIST 800-series compliance, and red team penetration testing. Public bug-bounty work spans 300+ accepted vulnerabilities on some of the most hardened programs in the industry, with consistent top-10 monthly researcher rankings.