Question 3 (a) Attack patterns describ e the techniques that attackers may use to find bugs or errors in software system. The attack patterns can be broadly grouped into four categories namely dependency attacks, user input attacks, design attacks and implementation attacks. Explain each of the categories and provide two (2) examples for each category [10 Marks (b) Discuss how technologies and information systems have evolved since your first encounter with computers. List three (3) shifts in technologies and their use that brought about concerns for software security. 15 Marks)