Sub7 Security (SecHub)

Sub7 Security is a Luxembourg-based Web3 cybersecurity firm founded in 2022, operating as the #1 trusted partner for smart contract audits and blockchain security solutions. The company operates SecHub™, a self-service, real-time audit management platform that democratises access to professional-grade security services for the Web3 community.

Sub7 Security is anchored in making security services straightforward and accessible — enabling Web3 projects to onboard, request audits, and track findings in real time through the SecHub platform. With over 45 completed audits, 500M+ assets protected, and 812K+ lines of code audited, the firm has established a strong track record across DeFi, NFT, and blockchain infrastructure projects.

Core Products & Services

Sub7 Security's service portfolio covers the full spectrum of Web3 security needs:

• Smart Contract Audit (via SecHub™) — Line-by-line code analysis of Solidity and EVM-compatible smart contracts, with findings categorised by severity and accompanied by remediation guidance. Delivered through the self-service SecHub platform.
• Penetration Testing — Security assessments of decentralised applications (DApps), web interfaces, and associated APIs to identify vulnerabilities and security flaws using state-of-the-art tools.
• DAO Security Suite — Cybersecurity-as-a-Service tailored for decentralised autonomous organisations, covering identity and access management, application security, endpoint security, blockchain security, and cloud security.
• Technical Due Diligence — Institutional-grade due diligence for investing firms deploying capital in digital assets, covering business model, architecture, scalability, tokenomics, team, governance, code, security, risk, and regulatory compliance.
• Node Operator Services (Nodus) — Blockchain infrastructure services including non-custodial staking, restaking, node operation, zero-knowledge proof infrastructure, data availability nodes, rollups, and RPC nodes, delivered through Nodus (the infrastructure arm of Sub7 Security).

Key Strengths

Sub7's team consists of certified security engineers holding OSWE, OSCE, CISSP, and Blockchain Council certifications. The firm uses industry-standard tools including Slither, MythX, and custom-built bots for automated assessments, complemented by manual expert review. All audit progress is tracked in real-time via the SecHub platform, ensuring full transparency for clients.

Recognitions include: official member of the Polygon Service Provider Network, member of Switzerland's Crypto Valley blockchain ecosystem, Top 3 Startup at Cybersecurity Week Luxembourg 2022, and named a "Company Influencing the Web3 Paradigm" by The Metaverse Insider.

Notable Clients & Projects

Published audit reports include work for Wirex Pay, Humanity Protocol, Gnosis, Holoride (MultiverseX Bridge), AELIN Protocol, Blockinvest, Unvest, Uncharted, Twin Finance, PowrAI by Tokeny, and Uniswap (Technical Due Diligence, April 2022). The firm is also a partner in the Avalanche Ecosystem.

Why Choose Sub7 Security

Sub7 combines the accessibility of a self-service platform (SecHub™) with the depth of certified, Web3-native security professionals. Clients benefit from transparent real-time audit tracking, tailored service selection, and ongoing support after remediation. The company's EU-based operations and GDPR/MiCA compliance (via Nodus) make it particularly suited for European Web3 projects seeking institutional-grade security under regulatory frameworks.