project objectives, scope, schedule, cost, quality, resources, or risks. The project manager should also seek their support and guidance on how to resolve the issue. In this case, the project manager should communicate with the project sponsor, the customer, the functional managers, and any other stakeholders who may be affected by the supplier’s decision. The project manager should also explore alternative options for obtaining the information security services, such as negotiating with the supplier, finding another supplier, or performing the service internally. However, these options may have implications for the project budget, schedule, quality, and risk, and should be evaluated carefully before making a decision. References: (Professional in Business Analysis Reference Materials source and documents)

PMBOK Guide, 6th edition, Chapter 13, Section 13.3.2.4, page 513

PMBOK Guide, 6th edition, Chapter 10, Section 10.2.2.4, page 385

PMBOK Guide, 6th edition, Chapter 12, Section 12.2.2.4, page 471

PMBOK Guide, 6th edition, Chapter 11, Section 11.5.2.4, page 443