Network attacks · Question 11 of 12

Employees in a branch office report that their browser suddenly shows certificate warnings on well-known websites. A second reply to ARP requests for the gateway appears on the network. What is the most likely cause?

1 answer is correct. Hard

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Answer

  • C An attack via ARP spoofing

Explanation

Duplicate ARP replies for the gateway indicate that a device is posing as the gateway. The attacker routes traffic through himself and can only break TLS connections with false certificates, hence the warnings. Users should never click such warnings away but report them.

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