If you work in professional services, or any industry that depends on external partners to operate, you have likely encountered at least one of these acronyms. Probably KYC. Maybe KYB. And for many organizations, still not KYP. That gap matters, because the one least formalized is often where the most overlooked risk sits. Here’s what each one means, when it applies, and why treating them as separate checklists misses how risk actually works in practice. KYC: Know Your Custom