All challenges
Multiple ChoiceIntermediate 30s

Zero-Day

A zero-day vulnerability is unknown to:
Options
  1. 1The attackers
  2. 2The software vendor
  3. 3The public
  4. 4Security researchers

Think you can answer under pressure?

Get matched and answer live questions in 3-minute 1v1 battles. Elo ranking, badge tiers and bragging rights on the line.

Play this in a 3-minute battle