What is the difference between active and passive reconnaissance in cybersecurity?

Cybersecurity Fundamentals Medium

Cybersecurity Fundamentals — Medium

What is the difference between active and passive reconnaissance in cybersecurity?

Key points

  • Active reconnaissance interacts directly with the target system
  • Passive reconnaissance gathers information without touching the target
  • Active reconnaissance can potentially leave traces
  • Passive reconnaissance uses public sources like WHOIS and search engines

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