Halborn

# Halborn


> Halborn is the industry-leading blockchain security firm, trusted by the top enterprises and financial institutions. World-class, end-to-end security, from smart contract auditing, to advanced penetration testing, on-chain and off-chain advisory services and beyond.


Why Halborn
- Halborn is trusted by more than 10 of the largest banks and financial institutions in the world and more than 600 clients overall.
- Halborn has uncovered several publicised zero-days, which, in addition to the 2,500+ engagements completed, amount to $1 trillion in value protected.
- Halborn provides assurance for code, architecture, and processes. We also offer advisory services to design or review any aspect of DLT initiatives, covering technology, processes, and people.
- Halborn’s unique approach combines proprietary tools with elite talent to deliver world-class services and tailored solutions for any size of DLT initiative or financial service institution.


## Services Overview

### Assurance Services
- [Smart Contract Assessment](https://www.halborn.com/solutions/smart-contract-assessment): In-depth analysis of smart contract code to identify vulnerabilities, ensure functional integrity, and strengthen on-chain resilience before deployment.
- [Blockchain Layer 1 Assessment](https://www.halborn.com/solutions/blockchain-layer-1-assessment): Comprehensive security assessment of Layer 1 blockchain protocols, consensus mechanisms, and core infrastructure to ensure protocol-level security.
- [Code Security Audit](https://www.halborn.com/solutions/code-security-audit): Thorough code review and security analysis of application code across multiple languages and frameworks to identify vulnerabilities and ensure software integrity.
- [Web Application Penetration Testing](https://www.halborn.com/solutions/web-application-penetration-testing): Systematic security testing of web applications to identify and exploit vulnerabilities before malicious actors can.
- [Cloud Infrastructure Penetration Testing](https://www.halborn.com/solutions/cloud-infrastructure-penetration-testing): Security assessment of cloud environments, configurations, and services to ensure proper security controls and prevent unauthorized access.
- [Red Team Exercises](https://www.halborn.com/solutions/red-team-exercises): Tailored red team exercises that simulate real-world adversaries. From phishing and social engineering to internal intrusion, Halborn tests your full defensive posture across web, mobile, API, cloud, and blockchain infrastructure.
- [Custody and Key Management Assessment](https://www.halborn.com/solutions/custody-key-management-assessment): Specialized security evaluation of cryptocurrency custody solutions and key management systems to ensure asset protection.

### Advisory Services
- [AI Advisory](https://www.halborn.com/solutions/ai-advisory): Strategic and technical advisory services to evaluate AI systems and integrations – identifying risks, validating designs, and guiding secure adoption of LLMs, agents, vector databases, and other AI components.
- [AI Red Teaming](https://www.halborn.com/solutions/ai-red-teaming): Simulated adversarial attacks against AI systems to uncover model and operational vulnerabilities – testing resilience to prompt injections, malicious LLMs, deepfakes, and AI-driven social engineering.
- [AI Security Assessment](https://www.halborn.com/solutions/ai-security-assessment): Comprehensive AI security assessments evaluating models, data pipelines, and deployment environments to identify vulnerabilities, adversarial risks, and weaknesses unique to AI systems.
- [Blockchain Architecture Assessment](https://www.halborn.com/solutions/blockchain-architecture-assessment): Architectural review and security analysis of blockchain system design, evaluating scalability, security, and best practice adherence.
- [Compliance Readiness](https://www.halborn.com/solutions/compliance-readiness): Preparation and assessment services to ensure alignment with regulatory requirements and industry standards for blockchain and financial technology.
- [Risk Assessment](https://www.halborn.com/solutions/risk-assessment): Comprehensive evaluation of security risks across technology, processes, and organizational practices to prioritize mitigation efforts.
- [Technical Due Diligence](https://www.halborn.com/solutions/technical-due-diligence): In-depth technical evaluation for investors and acquirers, assessing code quality, security posture, and technical debt of blockchain projects.
- [Technical Training](https://www.halborn.com/solutions/technical-training): Customized security training programs for development teams on secure coding practices, blockchain security, and vulnerability prevention.


## Public Research & Reports


- [Research Reports](https://www.halborn.com/reports): A collection of Halborn’s research reports including Top 100 DeFi hack of all time, ChatGPT vulnerability detection and more.
- [Security Case Studies](https://www.halborn.com/case-studies): Real-world assessments of financial institutions, DeFi protocols, L1 chains, and infrastructure providers.
- [Audit Reports](https://www.halborn.com/audits): A public repository of Halborn’s engagements.
- [Zero-Day Vulnerability Disclosures](https://www.halborn.com/disclosures): Public disclosures of vulnerabilities discovered by Halborn’s research team, including Metamask, CosmWasm, and Rab13s, which placed over $25B in jeopardy.


## Proprietary Tools


- [BVSS](https://www.halborn.com/bvss): A blockchain-specific vulnerability scoring framework that measures smart contract risks by combining exploitability, potential impact, and DLT-specific threat metrics for an accurate security posture.


## Learning Resources


- [Halborn Blog](https://www.halborn.com/blog): Educational content on blockchain vulnerabilities, best practices, incident retrospectives, and other DLT fundamentals.


## RSS Feeds

Subscribe to Halborn updates via RSS:

- [All Updates](https://www.halborn.com/feed.xml): Combined feed with all Halborn content - blog posts, videos, reports, audits, case studies, and disclosures.
- [Blog Feed](https://www.halborn.com/blog/feed.xml): Blockchain security news, insights, and analysis.
- [Videos Feed](https://www.halborn.com/blog/videos/feed.xml): Educational video content on blockchain security and cybersecurity.
- [Reports Feed](https://www.halborn.com/reports/feed.xml): Security research, whitepapers, and advisories.
- [Audits Feed](https://www.halborn.com/audits/feed.xml): Public security audit reports.
- [Case Studies Feed](https://www.halborn.com/case-studies/feed.xml): Client case studies and testimonials.
- [Disclosures Feed](https://www.halborn.com/disclosures/feed.xml): Security advisories and vulnerability disclosures.
- [OPML File](https://www.halborn.com/feeds.opml): Import all feeds at once into your RSS reader.


## Optional


- [Company Overview](https://www.halborn.com/about/who-we-are): Mission, leadership, and history of Halborn.
- [Careers](https://www.halborn.com/careers): Current openings and role descriptions.
- [Contact Us](https://www.halborn.com/contact): Business inquiries and partnership opportunities.