Engineering homework help

Write atleast three to four  points :a)Threats that can exploit the Vulnerabilities/Weaknesses that were posted below?b) Risks that can generate loss to an Asset (Hardware, Software, Data, Service, etc) if the Threat exploit the Weakness?c)  Countermeasures that can mitigate the Risks. There is often more than one Countermeasure for each Weakness/Threat/Risk?Vulnerabilities/Weaknesses :1. Regular Firewall maintenance not conducted2. Computer always left logged-in3. Client personal data shared with everyone via email4. Databases/systems not backed-up