Definition ∞ Reconnaissance, in cybersecurity, is the initial phase of an attack where an adversary gathers information about a target system or network before launching an actual exploit. This information gathering can involve passive methods, like searching public databases, or active methods, like scanning network ports. The objective is to identify vulnerabilities, system architectures, and potential entry points. This preparatory step is crucial for planning effective and targeted attacks.
Context ∞ Reconnaissance is a fundamental first step in many cyberattacks targeting digital assets, including cryptocurrency exchanges, DeFi protocols, and individual wallets. News reports sometimes describe how attackers conduct extensive research on their targets to identify weak points or gather information about key personnel. Understanding this phase is vital for organizations and individuals to implement proactive security measures and monitor for suspicious information-gathering activities.
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