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## Overview Nearly 14,000 holders of Trezor hardware wallets face security risk after hackers stole personal details in a data breach, marking the second 'cold' storage attack in two weeks (FT, undated). ## Background Trezor is a maker of hardware ('cold storage') cryptocurrency wallets, marketed as a more secure alternative to software-based ('hot') wallets. This breach reportedly compromised personal details of nearly 14,000 holders and is notable as the second such cold-storage attack within a two-week span (FT, undated). ## Strategic Significance Cold storage has traditionally been considered the gold standard for cryptocurrency security, since private keys are kept offline. A pattern of successful attacks against cold storage providers undermines a core security assumption of the crypto industry and could have broad implications for custody practices, insurance, and regulatory scrutiny of hardware wallet manufacturers. This is a developing security story likely to recur as attackers target crypto infrastructure. ## What to Watch - Identification of the attackers and attack vector - Whether other hardware wallet makers report similar breaches - Regulatory or industry response to cold storage vulnerabilities - Any resulting theft of cryptocurrency funds tied to compromised accounts