A Top 10 priority use case list is a ranked set of identity problems the programme is designed to solve first. It converts stakeholder input into an actionable roadmap, helps sequence delivery, and gives leaders a practical way to judge whether IAM efforts are focused on the highest-value outcomes.
Expanded Definition
A Top 10 priority use case list is a ranked delivery backlog for identity work, not a generic inventory of everything an IAM team could do. It translates stakeholder pain points into a sequence that reflects risk, operational effort, and business value, so leaders can decide what gets solved first and what must wait. In NHI programmes, this matters because service accounts, API keys, machine credentials, and agent access often span multiple systems and ownership boundaries, making it easy for teams to chase local fixes instead of the highest-impact issues.
Definitions vary across vendors and consultancies on how many items belong on the list, but the practical purpose is consistent: force prioritisation and create a decision record. Good lists distinguish between strategic themes, such as secrets governance or lifecycle control, and tactical tasks, such as rotation automation or entitlement review. The phrase is often used alongside NIST Cybersecurity Framework 2.0, because both emphasise structured risk treatment rather than ad hoc remediation. The most common misapplication is treating the list as a static slide deck, which occurs when teams stop updating it after the first steering committee approval.
Examples and Use Cases
Implementing a priority use case list rigorously often introduces sequencing constraints, requiring organisations to weigh rapid visible progress against the time needed to address foundational identity weaknesses.
- A security programme ranks “discover all service accounts” above “fine-tune MFA policies” because visibility is the prerequisite for every later control decision.
- An engineering organisation places “rotate long-lived API keys in CI/CD” near the top after repeated secrets exposure, using the list to align platform teams and security owners.
- A cloud migration team prioritises “map non-human identities to business services” so that ownership, offboarding, and incident response can be assigned before cutover.
- A governance board uses the list to separate urgent NHI issues from broader IAM improvements, and then validates the shortlist against Top 10 NHI Issues to ensure the programme is not ignoring known high-risk patterns.
- A risk team focuses first on the use cases that reduce exposed secrets, excessive privilege, and unmanaged third-party access, because those are the areas most likely to drive incident response work.
For teams formalising the ranking criteria, the list is strongest when each item has a clear owner, an expected outcome, and an estimate of implementation effort. That prevents “priority” from becoming a synonym for whatever is loudest that week.
Why It Matters in NHI Security
Priority use case lists matter in NHI security because the attack surface is usually larger than leaders expect and the remediation path is rarely linear. NHI Mgmt Group reports that NHIs outnumber human identities by 25x to 50x in modern enterprises, which means even small gaps in prioritisation can leave large volumes of machine credentials unaddressed. The same research shows that 97% of NHIs carry excessive privileges and 80% of identity breaches involved compromised non-human identities, making sequencing decisions directly relevant to breach reduction.
A disciplined list helps teams avoid spending months on low-impact workflow polish while leaving secrets sprawl, stale credentials, and third-party exposure untouched. It also gives executives a way to judge whether the programme is delivering measurable risk reduction, not just activity. The list should be reviewed alongside NIST Cybersecurity Framework 2.0 so that priorities map back to governance, protection, detection, and response outcomes. Organisations typically encounter the cost of poor prioritisation only after a secrets leak, privilege abuse, or service account compromise, at which point the top 10 list becomes operationally unavoidable to address.
Standards & Framework Alignment
This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.
OWASP Non-Human Identity Top 10 and CSA MAESTRO address the attack and risk surface, while NIST CSF 2.0 and NIST Zero Trust (SP 800-207) set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| OWASP Non-Human Identity Top 10 | NHI-01 | Prioritisation of NHI risks starts with the most exposed and overprivileged identities. |
| NIST CSF 2.0 | GV.RM-01 | The CSF expects risk management priorities to be defined and used to guide action. |
| NIST Zero Trust (SP 800-207) | PR.AC-1 | Zero Trust prioritisation depends on identifying which identities need the strongest controls first. |
| CSA MAESTRO | IAM-01 | Agentic and machine identity governance depends on a clear roadmap of highest-value control gaps. |
Use the list to stage identity controls where agent access and execution authority create the greatest risk.
Related resources from NHI Mgmt Group
- What breaks when teams use the OWASP Top 10 as if it were a testable security standard?
- How do organisations decide whether to use OWASP Top 10 2025, SAMM, DSOMM, or ASVS in an application security program?
- How should security teams use the OWASP NHI Top 10 to prioritise risk reduction across service accounts, API keys, and OAuth apps?
- What are the core risks identified by the OWASP Agentic Top 10?