Definition ∞ An insider attack is a security threat originating from within an organization, where a trusted individual exploits their authorized access for malicious purposes. This type of attack can be carried out by current or former employees, contractors, or business partners who possess legitimate access to systems, data, or digital assets. Motivations can range from financial gain and revenge to espionage or sabotage. In the context of cryptocurrency, an insider attack might involve stealing private keys, manipulating exchange data, or facilitating unauthorized transactions.
Context ∞ News reports sometimes reveal insider attacks contributing to security incidents at crypto exchanges or blockchain companies, highlighting the internal threat landscape. The ongoing challenge involves implementing stringent access controls, robust monitoring systems, and comprehensive background checks for all personnel with access to critical infrastructure. Emphasizing a strong security culture and whistle-blower protections helps deter such internal threats.
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