Halborn

Halborn - Full-Stack Blockchain Security

Company Overview

Halborn is a blockchain security firm founded in 2019 by serial entrepreneur Rob Behnke and Steven Walbroehl, a renowned ethical hacker with 25 years of cybersecurity experience. Based in Miami, Florida, Halborn has grown to over 100 employees including 80 best-in-class security engineers. The company raised a $90 million Series A to accelerate growth and development of blockchain security SaaS products.

Core Services

Smart Contract Audits

Comprehensive security audits for smart contracts across multiple chains.

Penetration Testing

Offensive security testing for blockchain applications and infrastructure.

Code Reviews

Detailed code review services for blockchain projects.

Incident Response

Rapid response for security incidents in the crypto ecosystem.

Technical Expertise

• Smart contract security
• Penetration testing
• Red team operations
• Offensive security
• DeFi security
• Blockchain development

Notable Clients

• Coinbase
• Polygon
• Solana
• t3rn

Company Growth

• Self-funded growth to 100+ employees before Series A
• 80+ security engineers worldwide
• $90M Series A funding

Funding

$90 million Series A to accelerate security team growth and SaaS product development.

Why Choose Halborn

Industry Leaders as Clients

Coinbase, Polygon, Solana trust Halborn for security.

Experienced Leadership

25+ years cybersecurity experience in founding team.

Full-Stack Security

Audits, pentesting, red team, and incident response.

$90M Backing

Massive Series A validates approach and capabilities.