Definition ∞ Seed Phrase Exfiltration is the unauthorized removal or theft of a cryptocurrency wallet’s recovery phrase. This security incident involves the illicit acquisition of a user’s mnemonic seed phrase, which serves as the master key for recovering and controlling a cryptocurrency wallet. Attackers achieve exfiltration through various means, including malware, phishing attacks, physical theft of storage devices, or vulnerabilities in software or hardware wallets. A successful exfiltration grants the perpetrator complete access to all digital assets associated with that seed phrase, leading to irreversible loss of funds for the victim.
Context ∞ Seed Phrase Exfiltration remains a primary threat vector for digital asset holders, frequently featured in security warnings and news reports detailing significant cryptocurrency losses. The ongoing discussion emphasizes the paramount importance of safeguarding seed phrases offline, using hardware wallets, and exercising extreme caution against social engineering tactics. User education on secure storage practices is a continuous and critical effort within the digital asset community.
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