Blockchain penetration testing covers live systems, wallets, APIs, and front ends. A smart contract audit reviews code. Here is when you need each, or both.
Read moreA practical guide to the best smart contract audit firms for blockchain projects in 2026, covering specialisations, notable work, and how to choose the right firm for your protocol.
Read moreShadow AI is the fastest-growing data security gap in enterprise organisations. Here's why it's happening, what's at risk, and how to get ahead of it.
Read moreThe 2026 OWASP Smart Contract Top 10 is built from $905M in real losses. Here's what moved, what got cut, and what it means for protocols shipping this year.
Read moreAI audit tools are impressive, but they catch coding mistakes, not design-level flaws. Here's what the hot takes get wrong.
Read moreThe Moltbook breach exposed 1.5M API keys through vibe coding flaws. Learn why AI-generated code needs expert security review and how to protect your applications.
Read moreLazarus Group stole $2B+ in crypto in 2025 alone. Learn how North Korea's elite hackers target DeFi protocols, and the defensive measures that actually work.
Read moreBybit suffered a record-breaking $1.5B crypto heist, attributed to North Korea’s Lazarus Group. Our post-mortem breaks down the attack, the supply chain compromise, and key security lessons for Web3 and financial institutions. Learn how adversarial simulation and red teaming can help prevent similar breaches
Read moreExplore the latest exploits of the Lazarus Group in the cryptocurrency space. From the Atomic Wallet breach to high-profile attacks on CoinsPaid, Alphapo, Stake.com, and CoinEx, this article delves into their sophisticated methods, confirmed attributions by the FBI, and the urgent need for enhanced cybersecurity measures. Stay informed on the resurgence of this notorious North Korean cybercrime syndicate
Read moreAdversarial simulation, red teaming, and penetration testing answer different questions. Use this buyer guide to pick the right offensive security engagement.
Read moreExplore why Web3 penetration testing is critical for blockchain projects, beyond traditional smart contract audits. Learn from recent front-end crypto attacks and discover how HYDN's comprehensive security solutions protect against emerging threats in the blockchain industry.
Read moreExplore how smart contracts and blockchain technology are transforming supply chain management. Learn about blockchain security and the crucial role of smart contract audits with insights from HYDN, experts in cybersecurity and blockchain solutions.
Read moreUncover essential findings from the 2023 Cost of a Data Breach Report. Learn how HYDN's extensive cybersecurity experience helps businesses navigate increasing breach costs, emerging trends, and effective defense strategies in today's digital landscape
Read moreHYDN Partners with Telos Foundation to Provide Blockchain Security Services
Read moreComparing HYDN Seal and ERC-7512: Dive into the pioneering efforts of HYDN in on-chain audit representations and discover how their early adoption and user-focused design set them apart in the blockchain security landscape
Read moreExplore the importance of Web3 Penetration Testing in ensuring the security of blockchain applications. Learn about the unique challenges of Web3 security and how HYDN's specialized services, including Web3 Penetration Testing, Smart Contract Audits, and Real-Time Fraud Prevention, can help safeguard your blockchain projects
Read moreExplore recent blockchain security incidents and learn best practices for safeguarding your projects. This post covers auditing, real-time fraud prevention, user education, and lessons from past breaches to help create a secure blockchain ecosystem
Read moreOracle manipulation skews DeFi prices via flash loans, weak spot feeds, and bad checks. Learn attack patterns, TWAP and oracle defenses, and what to audit.
Read moreHYDN Prevent: A Real-Time Fraud Prevention Solution for the Blockchain
Read moreUncover the significance of smart contract audits in this comprehensive guide, exploring their role in bolstering blockchain security. From understanding their importance to identifying common issues they uncover, gain insights into how these audits fortify the decentralized universe and instill trust in stakeholders
Read moreDive into the transformative world of blockchain technology as we demystify the path to becoming a smart contract auditor. This comprehensive guide covers every step from understanding the basics of blockchain security, acquiring necessary skills, to continuous learning opportunities. Ready to audit your way into the future? Discover how to kickstart your career in smart contract audits today
Read moreProtect your DeFi platform from attacks with HYDN's real-time fraud prevention solution. Learn about the top 5 common attacks and how our smart contract audits, Web3 penetration testing, and HYDN Prevent can safeguard your platform. Sign up now for peace of mind.
Read moreIn the late hours of Saturday, April 8, 2023, HYDN's security team identified a critical vulnerability in SushiSwap's RouteProcessor2…
Read moreHYDN’s real-time fraud prevention technology is designed to address the limitations of traditional blockchain security measures. By identifying and stopping potential attacks before they happen, HYDN Prevent provides unparalleled protection for your Dapps.
Read morePenetration testing is an essential part of any security audit process and provides invaluable insights into how secure your blockchain project really is
Read moreWarren Mercer is the founder and CEO of HYDN. Having worked in cybersecurity for over 15 years, find out why he decided to make the move over to blockchain security.
Read moreIn July 2022, HYDN Seekers and Position Exchange worked together to remediate a re-entrancy vulnerability which we identified in their Marketplace contract.
Read moreSmart contracts are only as smart as the code (or coder) behind them. Here we'll take you through 5 common vulnerabilities.
Read moreToday we’re going to take a look at one of the most common attacks in blockchain, and that is reentrancy attacks.
Read morePrepare for a smart contract audit: freeze the commit hash, lock scope, document trust and roles, clean code, and plan remediation. A practical day-0 checklist.
Read moreSmart contract audits provide a detailed analysis of a project’s smart contracts to ensure that any vulnerabilities or bugs are found before the smart contract is deployed.
Read moreHYDN recently participated in the second EthernautDAO CTF challenge and won it by hacking the smart contract. Find out how we did it.
Read moreWe’re delighted to announce a strategic partnership with Oracle Finance.
Read moreHYDN is an industry-leading team of blockchain security and tokenomics experts. HYDN provides comprehensive smart contract security audits.
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