What is an Attack Surface?

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Question 1

What is an attack surface in cybersecurity?

  • The set of all authorized users

  • The total possible points where attackers can enter or exploit a system

  • The UI layout of a web app

  • Firewall rules

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Question 2

Which of the following is a component of the digital attack surface?

  • Server rooms

  • Employees clicking phishing emails

  • Websites, APIs, and cloud servers

  • Physical locks on doors

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Question 3

How does Network Traffic Analysis support attack surface management?

  • By blocking all IP addresses

  • By discovering assets, monitoring traffic for anomalies, and detecting threats early

  • By deleting old network devices

  • By encrypting all network packets

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Question 4

What are common practices to reduce physical attack surfaces?

  • Lock devices, disable unused USB ports, restrict and monitor access

  • Use only open Wi-Fi

  • Share admin passwords widely

  • Disable firewalls

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Question 5

What is the difference between attack surface and attack vector?

  • Surface is how it is attacked; vector is what is attacked

  • Surface is all vulnerabilities; vector is the specific method or path used in an attack

  • Both are the same

  • Vector is physical; surface is digital only

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