Example

123456
Across
  1. 3. A type of loop that repeats while a condition is true (5 letters)
  2. 5. Protects a network from unauthorized access (8 letters)
Down
  1. 1. A small piece of data stored on a user's device by a website (6 letters)
  2. 2. An input device used for typing (8 letters)
  3. 4. Language used for building websites (4 letters)
  4. 6. A unique identifier for devices on a network (2 letters)