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Crypto security — hacks, exploits, and post-mortems

Smart-contract exploits, bridge hacks, phishing campaigns, and exchange breaches cost the crypto industry billions every year. Our security coverage reports each major incident as it surfaces — root cause where known, on-chain forensic trails, attacker addresses, fund flows through mixers and bridges, recovery efforts, and post-mortems published by the affected protocols and audit firms. We also follow the white-hat ecosystem, bug bounty programs at Immunefi and Code4rena, ongoing audits, and the security-tooling vendors (formal verification, runtime monitoring) working to reduce the next breach.

Smart-contract exploitsBridge & oracle hacksExchange breachesPhishing & social engineeringPost-mortemsAudits & bug bounties

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DeFiSecurity
2 Sources

Aztec Connect Exploit Exposes Security Risks in Deprecated DeFi Contracts

An exploit targeting a deprecated Aztec Connect contract has surfaced security vulnerabilities in legacy DeFi infrastruc...

Oct 4, 2026, 04:02 AM
Aztec ConnectSlowMist
Security
2 Sources

Chainalysis AI Traced $387M Bitget Hack to North Korea in Minutes

Chainalysis deployed custom AI automation to trace $387 million stolen in the September 24 Bitget breach, linking the fu...

Oct 3, 2026, 06:02 PM
ChainalysisBitget
SecurityAdoption
2 Sources

Hackers Compromise Microsoft's X Account to Promote Fake Clippy Token

Hackers gained access to Microsoft's official X account Tuesday and posted promotions for an unauthorized Clippy-themed ...

Oct 3, 2026, 10:01 AM
MicrosoftX
SecurityExchanges
2 Sources

Crypto Security Breaches Exceed $2 Billion in Q3 2026

Cryptocurrency platforms suffered at least $2 billion in security breaches during the third quarter of 2026, with Septem...

Oct 3, 2026, 05:06 AM
BitgetLiquid
Layer 2Security
3 Sources

Arbitrum Pauses New Stylus Activations Over Security Concerns

Arbitrum halted new Stylus contract activations in an emergency security action citing AI-assisted attack risks, though ...

Oct 2, 2026, 11:05 PM
ArbitrumStylus
SecurityDeFi
2 Sources

NEAR Intents Suffers $3.8M Exploit, Issues 48-Hour Return Ultimatum

NEAR Intents halted services Wednesday after identifying a $3.8 million exploit isolated to USDT on Binance Smart Chain ...

Oct 2, 2026, 07:12 PM
NEAR IntentsNEAR
SecurityLayer 1
2 Sources

MetaMask Validator Incident Triggers Ethereum Staker Exits to Nine-Month High

MetaMask disclosed a security incident affecting its validator infrastructure on September 30, prompting Ethereum staker...

Oct 2, 2026, 08:18 AM
MetaMaskEthereum
Security
2 Sources

Bitcoin Developers Downplay Near-Term Quantum Computing Threat

Bitcoin community figures including Marty Bent and Brandon Black are pushing back against claims that quantum computing ...

Oct 2, 2026, 06:13 AM
BitcoinMarty Bent
SecurityDeFi
2 Sources

NEAR Intents Loses $3.8M to Exploit; Reimbursement Pledged

A bug in NEAR Intents' cross-chain trading system allowed an attacker to drain approximately $3.8 million across multipl...

Oct 2, 2026, 06:11 AM
NEAR ProtocolNEAR Intents
SecurityDeFi
2 Sources

Aave Safe Module Exploit Drains $305K–$310K in Leveraged Position Attack

An attacker exploited FlashLoopAdapter, a custom Safe module managing leveraged Aave v3 positions, to drain approximatel...

Oct 2, 2026, 06:02 AM
AaveSafe
DeFiSecurity
2 Sources

NEAR Intents GM Issues 48-Hour Ultimatum After $3.8M Drain

The general manager of NEAR Intents identified the attacker behind a $3.8 million drain and posted three addresses for f...

Oct 2, 2026, 03:03 AM
NEAR IntentsNEAR
DeFiSecurity
3 Sources

NEAR Intents Recovers $3.8M After 48-Hour Ultimatum to Attacker

NEAR Intents recovered the full $3.8 million drained in a Thursday exploit after issuing a 48-hour ultimatum to the iden...

Oct 2, 2026, 03:03 AM
NEARNEAR Intents
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