Cybersecurity

Attack Surface

/əˈtæk ˈsɜːfɪs/

Definition

The total number of points where an attacker could try to enter or extract data from a system.

Example in context

"Moving to zero-trust reduced our attack surface — services no longer trust network location alone."

Related terms

Practice this term

Master Attack Surface in context by working through exercises in the Cybersecurity module. You'll see the term used in real engineering scenarios with multiple-choice, fill-in-the-blank, and matching drills.

Frequently Asked Questions

What does "Attack Surface" mean?

The total number of points where an attacker could try to enter or extract data from a system.

How do you pronounce "Attack Surface"?

"Attack Surface" is pronounced /əˈtæk ˈsɜːfɪs/.

Can you use "Attack Surface" in a sentence?

"Moving to zero-trust reduced our attack surface — services no longer trust network location alone."