Intellectual Olympiad in Information Security Systems - 2026 ongoing

Subject: Information Security Systems
Level: XI (I is easiest, XII is hardest)
Category: student
Question language: English
Questions: 15
Example question: A web service accepts a signed JSON Web Token but does not verify that the algorithm declared in its header is permitted by policy. Which vulnerability can this design enable? Algorithm-confusion attacks, DNS cache poisoning, Heap spraying, Race-condition deadlocks