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DataStructures / Cyber Security Interview Questions

What is a Man-in-the-Middle (MITM) Attack?

A Man-in-the-Middle attack happens when an attacker secretly positions themselves between two communicating parties, intercepting, and potentially altering, the data exchanged without either side realizing it.

  • Wi-Fi eavesdropping on unsecured public networks
  • ARP spoofing to redirect local network traffic through the attacker's machine
  • DNS spoofing to send victims to a fake version of a website
  • SSL stripping to downgrade an HTTPS connection to plain HTTP

Strong encryption via TLS, certificate validation, and avoiding untrusted public Wi-Fi are the main defenses against MITM attacks.

What is the attacker's position in a MITM attack?
What does SSL stripping attempt to do?

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