Related Threat Clusters
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Malware Spread via Fake Polymarket Trading Bot Targets DeFi Developers
On July 1, 2026, security firm SlowMist identified a fake trading bot on GitHub designed to spread malware targeting Polymarket users and DeFi developers. The bot, named 'polymarket-arbitrage-bot', was promoted as a…
2 articles · Updated July 1, 2026 -
ZachXBT Warns of Polyarb's Active Wallet Drainer Scam
On May 4, 2026, onchain investigator ZachXBT reported that Polyarb, a site posing as a prediction market platform, is operating an active wallet drainer. This malicious tool disguises a harmful smart contract approval…
2 articles · Updated May 4, 2026 -
Web3 Security Breach: SecondFi Wallet Exposes Private Keys via Signature Flaw
In June 2026, the crypto sector faced 40 major hacking incidents, leading to losses of $75.87 million. The SecondFi wallet, part of the Cardano ecosystem, was notably compromised, with attackers transferring…
2 articles · Updated July 9, 2026 -
GitHub Breach: 3,800 Internal Repositories Compromised via Malicious VS Code Extension
On May 20, 2026, GitHub confirmed a significant security breach involving a poisoned Visual Studio Code (VS Code) extension that compromised an employee's device. The attack, attributed to the TeamPCP hacking group,…
149 articles · Updated May 20, 2026 -
StablR Stablecoins EURR and USDR Depeg After $10 Million Exploit
On May 24, 2026, StablR's stablecoins, EURR and USDR, lost their pegs following an exploit that allowed an attacker to mint approximately $10.4 million in unbacked tokens. The breach was attributed to a compromised…
21 articles · Updated May 24, 2026 -
Summer.fi Suffers $6M Loss in Flash Loan Exploit
On July 6, 2026, the DeFi platform Summer.fi was exploited, resulting in the theft of approximately $6 million in DAI. The attack was detected by Blockaid, which identified an exploit involving a flash loan of $64.8…
6 articles · Updated July 6, 2026 -
AI-Driven Market Manipulation Causes $19 Billion Crypto Crash
On October 10, 2025, a significant crypto market crash occurred, resulting in $19 billion in liquidations. The collapse was triggered by a structural vulnerability known as the 'Oracle Loop' during a transition period…
2 articles · Updated June 12, 2026 -
Polymarket Suffers $3M Theft from Supply-Chain Attack via Third-Party Vendor
On June 25, 2026, Polymarket confirmed a security breach that led to the theft of approximately $3 million from fewer than 15 user accounts. The attack was executed through a compromised third-party vendor, which…
49 articles · Updated June 25, 2026 -
Polymarket Denies Data Breach Claims Amid Dark Web Allegations
Polymarket, a decentralized prediction market platform, faced allegations of a data breach after a hacker known as xorcat claimed to have extracted over 300,000 records, including personal user data and exploit code,…
11 articles · Updated April 29, 2026 -
Polymarket Suffers $520K Loss from Private Key Compromise
On May 22, 2026, Polymarket experienced a security incident resulting in over $520,000 drained from its UMA Conditional Token Framework (CTF) Adapter on the Polygon network. Blockchain investigator ZachXBT flagged…
15 articles · Updated May 22, 2026
Recent Intelligence Reports
- Megalodon Mass Github Repo Backdooring Ci Workflows — safedep.io · July 19, 2026
- Web3 Security Risks Expand: Wallets, L2s, and Supply Chains Under Threat in June — Kucoin · July 9, 2026
- Beyond Private Keys: From Wallets and L2 to the Supply Chain – How to Safeguard Web3's ... — Odaily.News · July 9, 2026
- Summer.fi Exploit News: $6M Drained, Is Your Fund Safe? — Coingabbar · July 6, 2026
- Attackers deliver infostealer to Polymarket trading bot users, DeFi devs through npm packages — Mexc · July 1, 2026
- DeFi devs, Polymarket trading bot users targeted in fresh info — Cryptopolitan · July 1, 2026
- Polymarket Security Breach — Kucoin · June 26, 2026
- Polymarket Loses $3 Million in Frontend Exploit After Third-Party Vendor Compromise — Mexc.Co · June 26, 2026