Definition ∞ Secret Exfiltration is the unauthorized removal or transfer of confidential data from a system or network. This typically involves malicious actors gaining access to sensitive information, such as private keys, user credentials, or proprietary algorithms, and transferring it to an external location. Preventing secret exfiltration is a core objective of cybersecurity defenses, especially within the digital asset domain.
Context ∞ The phenomenon of Secret Exfiltration is a persistent threat in the cryptocurrency space, often linked to phishing attacks, malware infections, or compromised infrastructure that allows adversaries to abscond with critical data. News cycles frequently report on incidents where private keys or seed phrases have been exfiltrated, resulting in substantial losses of digital assets. Cybersecurity professionals are continuously developing more sophisticated detection and containment strategies to thwart these clandestine data transfers.
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