Intercepting Data

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Q: Alice wants to prove her identity to Robert. Robert asks Alice to provide him with her password, which Alice dutifully provides (possibly after some transformation with a hash function). During this time, woman named Eve observes the conversation between Robert and Alice and records the password. Later, Eve connects to Robert posing as Alice, providing the password read from the previous session. Bob accepts it, unaware that Eve is not Alice. What kind of attack does this describe?

a. Replay

b. Session fixation

c. Cross-site scripting

d. Firewalking

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