Cybersecurity
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April 2026 Sets All-Time Record for Number of Crypto Hacks
April 2026 saw a record-breaking 24 crypto hacks resulting in approximately $651 million in total losses. Kelp and Drift Protocol suffered the largest exploits.
ZetaChain Publishes Post-Mortem of $334K Cross-Chain Exploit; Syndicate and Aftermath Also Hacked
ZetaChain detailed a $333,868 exploit targeting its GatewayEVM contract on April 27. Meanwhile, Syndicate lost $330K through a bridge compromise, and Aftermath Finance on Sui was drained of $900K.
DeFi Protocol Scallop on Sui Hacked: 150,000 SUI Drained from Rewards Pool
Lending platform Scallop lost approximately 150,000 SUI after hackers exploited a deprecated rewards smart contract. The team pledged to cover 100% of losses from its own funds.
Bitwarden CLI Compromised, North Korean Hackers Steal $12M via AI, and Crypto Extortionists Busted in Kyiv
A weekly roundup of major cybersecurity events: North Korean hackers leverage AI to steal cryptocurrency, the Bitwarden CLI npm package is compromised with an infostealer, and Ukrainian police bust a crypto extortion ring.
Wave of DeFi Exploits Puts Wall Street's Crypto Ambitions at Risk
Attacks on Drift and Kelp triggered over $15 billion in DeFi outflows. A Jefferies analyst warns that major financial firms may slow their blockchain adoption efforts.
Lazarus Group Targets macOS Users with New Mach-O Man Malware Arsenal
North Korean hacking group Lazarus Group is deploying modular macOS malware through fake video call invitations on Zoom, Teams, and Google Meet, targeting crypto and fintech companies.
Unauthorized Users Gained Access to Anthropic's Restricted Mythos AI Model
A group of forum members breached Anthropic's Mythos — an AI model designed to find vulnerabilities in operating systems and browsers. The company is investigating the incident.
NSA Reportedly Using Anthropic's Mythos Model Despite Pentagon Conflict
The U.S. National Security Agency has gained access to Anthropic's Claude Mythos AI model, even as a White House directive orders federal agencies to cease using the startup's technologies.
Eth.limo Recovers Domain After easyDNS Hijack as Vercel Confirms Data Breach
ENS gateway eth.limo regained control of its domain after a social engineering attack on registrar easyDNS, while cloud platform Vercel disclosed a security breach through a compromised AI tool.
Over $8.6B Drained From Aave as Kelp DAO Hack Triggers Massive DeFi Exodus
Aave's TVL plunged from $26.3B to $17.7B in two days after hackers exploited Kelp DAO's cross-chain bridge, stealing $293M in rsETH and creating $195M in bad debt across lending protocols.
Ketman Project Backed by Ethereum Foundation Uncovers 100 North Korean Agents in Crypto Companies
The Ketman research project, funded through the ETH Rangers program, identified over 100 DPRK IT operatives embedded in Web3 organizations under fabricated identities over six months.
Kraken Extortion, FBI Recovers Deleted Signal Messages, and Other Cybersecurity Headlines
Weekly cybersecurity roundup: Kraken faces extortion after employee compromise, FBI recovers deleted Signal chats via iOS push notifications, $8.3M in hacker crypto assets seized in Ukraine, and new trojans target crypto users.
Binance and Coinbase Seek Access to Anthropic's Claude Mythos AI Model Capable of Hacking Smart Contracts
Binance and Coinbase are negotiating with Anthropic for access to Claude Mythos Preview, an AI model that can autonomously find vulnerabilities and attack smart contracts in seconds, causing simulated damages worth millions of dollars.
OpenAI Launches GPT-5.4-Cyber, a Specialized AI Model for Vulnerability Research
OpenAI has granted verified cybersecurity professionals access to GPT-5.4-Cyber, a fine-tuned AI model designed for software vulnerability analysis and advanced defensive workflows.
UK, US and Canadian Regulators Sound Alarm Over Anthropic's Claude Mythos AI Model
Financial regulators across the UK, US, and Canada are holding emergency meetings to assess cybersecurity risks posed by Anthropic's new AI model Claude Mythos, which discovered thousands of zero-day vulnerabilities in major operating systems and browsers.
GPU Memory Attacks, $21B in Cybercrime Losses, and Chrome's Chip-Level Protection: Cybersecurity Roundup
The FBI reported record $21 billion in cybercrime losses for 2025, Google introduced hardware-bound session protection in Chrome, and researchers demonstrated three new attack methods targeting Nvidia GPU memory.
Bitcoin Depot Reports $3.7M Hack as Regulatory Pressure Mounts
The largest Bitcoin ATM operator, Bitcoin Depot, disclosed the theft of 50.9 BTC from its corporate wallets. The breach comes amid heightened regulatory scrutiny and declining financial performance.
OpenAI Unveils Comprehensive Child Safety Plan for the AI Era
OpenAI has announced a three-pronged strategy to protect children from AI-related exploitation, covering legislative reform, improved industry coordination, and safety-by-design principles.
Solana DEX Stabble Urges Emergency Liquidity Withdrawal After Former CTO Linked to North Korea
Solana-based DEX Stabble issued an emergency call for users to withdraw liquidity after its former CTO was identified as a DPRK-linked individual by ZachXBT. The platform's TVL dropped from $2 million to $600,000 within 24 hours.
Anthropic Blocks Public Access to Claude Mythos After AI Model Escapes Sandbox
Anthropic developed its most powerful AI model, Claude Mythos, capable of discovering zero-day vulnerabilities at scale, but deemed it too dangerous for public release after it escaped a secure sandbox during testing.
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