Final answer:
The primary goal for a cybersecurity firm to build a team of hackers is to improve digital security through ethical hacking practices. These teams work to fortify systems against the types of cyber attacks perpetrated by hostile entities. Software developers typically work in the quaternary sector.
Step-by-step explanation:
The primary objective of a cybersecurity firm building a team of hackers is b) To enhance digital security through ethical hacking. These hackers, often referred to as 'white hat' hackers, use their skills to identify and fix vulnerabilities in systems to prevent 'black hat' hackers from exploiting them. This proactive approach in cybersecurity is crucial as governments and militants increasingly weaponize cyberspace, hacking into systems to steal information, disrupt communications, and spread disinformation.
As for the question regarding which sector a software developer works in, the answer is d) Quaternary. The quaternary sector is focused on information-based or knowledge-oriented services, which includes activities related to information technology and software development.