List of Flash News about operational security
| Time | Details | 
|---|---|
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                                        2025-10-18 21:12  | 
                            
                                 
                                    
                                        Crypto Wallet Security for Traders 2025: Critical Warning—Never Import Your Cold Seed into a Hot Wallet
                                    
                                     
                            According to Phil Kwok, new wallet setup prompts to import an existing seed can mislead traders, because importing a cold seed into a hot wallet removes the protection of cold storage, so a new and separate seed should always be generated for any hot wallet used for daily transactions, source: Phil Kwok on X, Oct 18, 2025. According to Phil Kwok, mixing a cold seed with a hot wallet means that simply also keeping the seed in a cold wallet does nothing to protect funds from hot wallet attack surfaces, source: Phil Kwok on X, Oct 18, 2025. According to Phil Kwok, the actionable best practice for trading operations is strict key segregation: maintain long-term holdings on a cold wallet with its own seed and create a distinct seed for hot wallets that interact with exchanges and DeFi, source: Phil Kwok on X, Oct 18, 2025.  | 
                        
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                                        2025-08-29 14:21  | 
                            
                                 
                                    
                                        Crypto Seed Phrase Security Alert: @TO Warns Against Digital Storage After Wallet Drain — Protect Your Trading Capital
                                    
                                     
                            According to @TO, traders should never keep a seed phrase on any computer and should only record it on paper, metal, or as a brain wallet after reporting that another friend’s wallet was drained today, source: @TO on X, Aug 29, 2025. He stated that if a seed phrase has ever been copied on any computer, even if password-encrypted, it remains at risk, source: @TO on X, Aug 29, 2025. For active crypto traders, this highlights immediate operational risk to trading capital and the need to audit seed storage practices to prevent total loss from compromised wallets, source: @TO on X, Aug 29, 2025.  | 
                        
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                                        2025-07-08 17:15  | 
                            
                                 
                                    
                                        DeFi Security Alert: North Korean Hackers Exploit Human Weakness as Polygon (MATIC) Revamps Strategy & Retires zkEVM
                                    
                                     
                            According to dydxfoundation, decentralized finance (DeFi) protocols are increasingly soft targets for North Korean hackers who exploit operational security (OPSEC) failures rather than complex smart contract vulnerabilities. The source, citing insights from over 600 audits by Oak Security, warns that many projects suffer from poor key management, unvetted contributors, and insecure governance processes conducted on platforms like Discord, creating systemic risks for traders and the potential for sudden, preventable losses. This operational negligence in teams managing hundreds of millions of dollars poses a significant threat to token stability and investor assets. In related market-moving news, Polygon (MATIC) is undergoing a major strategic overhaul as co-founder Sandeep Nailwal takes over as CEO of the Polygon Foundation. The organization will now focus on its AggLayer cross-chain liquidity protocol and is retiring its zkEVM network, a significant pivot for the project. Separately, the Ethereum Foundation has implemented a new treasury policy, capping annual operational expenses at 15% to ensure long-term sustainability for the Ethereum (ETH) ecosystem. These developments occur as market data shows ETH, trading around $2,611, is outperforming Bitcoin (BTC), indicating shifting dynamics for major cryptocurrencies.  | 
                        
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                                        2025-07-05 21:54  | 
                            
                                 
                                    
                                        DeFi's Critical Security Flaw: Why North Korean Hackers Target Human Error Over Smart Contracts, Threatening BTC and ETH Ecosystems
                                    
                                     
                            According to @karpathy, decentralized finance (DeFi) protocols are facing a critical threat not from smart contract vulnerabilities, but from poor operational security (OPSEC), making them soft targets for nation-state attackers like those from North Korea. The author highlights that attackers are exploiting human weaknesses such as inadequate key management, unvetted contributors, and governance via unsecured platforms like Discord, which have led to major incidents like the $625 million Ronin bridge exploit and campaigns against Bybit. This operational negligence poses a significant risk to project treasuries and token stability, a concern for traders as Bitcoin (BTC) trades around $108,009.02 and Ethereum (ETH) at $2,512.17. The analysis further warns that as the crypto industry, including major players like Coinbase, moves closer to traditional power structures, it risks diluting its core cypherpunk values of decentralization, which could undermine long-term investor confidence and the fundamental value proposition of digital assets.  | 
                        
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                                        2025-07-02 12:35  | 
                            
                                 
                                    
                                        North Korean Hackers Exploit DeFi's Human Layer, Causing Record $2.1B in Crypto Thefts
                                    
                                     
                            According to @zachxbt, decentralized protocols are increasingly soft targets for North Korean hackers due to severe operational security (OPSEC) failures, not just smart contract vulnerabilities. A TRM Labs report indicates a record $2.1 billion was stolen in the first half of 2025, with attackers exploiting human weaknesses like poor key management and unvetted contributors. Over 80% of these losses originated from infrastructure-level breaches such as private key theft, proving far more lucrative than code exploits. For traders, this highlights a systemic risk to assets like Ethereum (ETH), currently trading around $2,599, and Solana (SOL) at $155.55, as many DeFi teams lack the robust, layered security common in traditional finance, making them vulnerable to governance takeovers and treasury drains.  | 
                        
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                                        2025-05-28 07:38  | 
                            
                                 
                                    
                                        Crypto Security Alert: Phishing Attack Warning from Ryan Kim Highlights Risks for Crypto Traders
                                    
                                     
                            According to Ryan Kim (@0xryankim), a suspicious meeting invitation process was encountered where a reputable contact approached him for a catch-up, but the Calendly invite lacked a Google Meet link and organizer details, followed by a Zoom link sent via Telegram (source: Twitter, May 28, 2025). This sequence strongly suggests a potential phishing attempt targeting crypto professionals. Traders are advised to scrutinize unsolicited meeting links and verify organizer identity to avoid credential theft or malware attacks, which can lead to significant crypto asset loss. Increased phishing attempts in the crypto sector underscore the necessity for robust operational security.  | 
                        
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                                        2025-05-04 21:27  | 
                            
                                 
                                    
                                        Top OpSec Tip for Crypto Traders: Keep Cash and Valuables at Home, Store Cold Wallets Offsite for Maximum Security
                                    
                                     
                            According to @0xfoobar on Twitter, crypto traders are advised to keep some cash and valuables at their residence but never store cold wallets at home. This operational security measure is designed to deter home invaders from resorting to violence if they cannot access digital assets, while providing a decoy that satisfies immediate criminal intent. Proper cold wallet storage offsite minimizes the risk of forced compromise and potential loss of cryptocurrency holdings. Traders should regularly review their physical and digital security protocols to safeguard assets, as recommended by @0xfoobar (Source: Twitter/@0xfoobar).  | 
                        
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                                        2024-07-20 19:18  | 
                            
                                 
                                    
                                        Worst Crypto Breach in Over 6 Years
                                    
                                     
                            According to ZachXBT, the recent crypto breach is the worst in over 6 years. The breach occurred due to an employee's failure to follow basic operational security (opsec) protocols, including not changing passwords for two years and using weak passwords. Both the employee and the company are held responsible for this significant security lapse. The breach has affected tens of individuals in the crypto space.  |