Web3sec News
Chirag Agrawal, Web3Sec News, Recon, Web3 Security NewsStay ahead with Web3Sec for web3 security, blockchain, DeFi, and exchange threat intel on hacks, vulnerabilities, security tools, and events.
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 49 | Subscribers | Read | web3secnews.substack.com |
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Latest Issues
Recent posts by this newsletter. Browse the email archive.
DNS Security in Web3: Attacks & Monitoring Setup Explained
When we talk about Web3 security, we obsess over smart contract audits, key management, and bridge exploits. Meanwhile, there's a gaping hole in our security posture that costs pennies to exploit and can destroy years of work in minutes.
💰$2,800 Bribe Unlocks $148M Brazil Banking Heist
A tiny $2,800 bribe just unleashed Brazil's biggest-ever cyberattack worth $148 million, while crypto losses hit a staggering $2.47 billion in H1 2025. Git repos worldwide are under attack via CVE-2025-48384, CoinDCX just lost $44M to a ser...
Crypto Hacks Soar: May’s $647M Meltdown, Cork Protocol Drama & June’s Biggest Breaches
While you were busy trying to get those Taylor Swift tickets, crypto hacks hit a scorching $647 million in May alone. Smart contracts and hot wallet hacks led the damage parade, with Cetus AMM becoming the month’s biggest loser at a stunnin...
The Need for Robust Web3 Pentesting and Supply Chain Security
As Web3 continues to revolutionize the digital landscape, offering decentralized solutions and unprecedented user control, it simultaneously exposes new and complex security challenges. The rapid evolution of decentralized applications (dAp...
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All things web3 security news
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