Plan of Action and Milestones (POA&M)

A Plan of Action and Milestones is the formal document that federal agencies and their contractors use to track cybersecurity vulnerabilities from discovery through remediation. Every weakness identified during a security assessment, penetration test, or continuous monitoring scan that cannot be fixed immediately must be recorded in the POA&M with a scheduled completion date, the responsible party, and the interim risk mitigation steps in place while the weakness remains open. The POA&M is not optional: the Federal Information Security Modernization Act (FISMA) of 2014 requires it, and OMB Memorandum M-02-01 originally codified the format that agencies still follow today.

What is a POA&M?

A POA&M is a structured tracking document, typically maintained in a spreadsheet or security management platform, that lists every unresolved security finding against a system. Each entry contains the weakness description, the control family from NIST Special Publication 800-53 that was not met, the scheduled completion date for remediation, the resources required, the office responsible, and any compensating controls in place during the remediation period. Agencies submit POA&M data to the Cybersecurity and Infrastructure Security Agency (CISA) and OMB as part of the annual FISMA reporting cycle.

For government contractors operating federal information systems or holding federal data, the POA&M becomes a contractual obligation. The system security plan and authorization to operate (ATO) package both reference the POA&M as evidence that the system owner is actively managing risk rather than ignoring known vulnerabilities. CMMC 2.0 Level 2 and Level 3 requirements, which apply to defense contractors handling Controlled Unclassified Information, incorporate POA&M-style tracking as part of continuous compliance demonstration.

Why it matters for contractors

Contractors who manage, operate, or develop federal information systems must maintain current POA&Ms as a condition of continued authorization to operate. An outdated or incomplete POA&M is itself a compliance finding that assessors will note in the next security authorization cycle. This can delay contract performance, trigger additional oversight, or become grounds for a cure notice if the agency determines the contractor is not managing cybersecurity risk responsibly.

For contractors pursuing new business, demonstrating a mature POA&M management process is a competitive differentiator. Solicitations for IT modernization, cloud migration, and cybersecurity support explicitly request evidence of past performance managing system security authorizations, and auditors look at how consistently a contractor closed out prior POA&M items on schedule as a proxy for organizational discipline.

Example

A software development contractor is awarded a contract to maintain a federal financial reporting system at a mid-size civilian agency. During the annual security assessment, assessors identify three medium-severity findings related to patch management and two high-severity findings related to access control configuration. The contractor's information system security officer opens five new POA&M items the same week. Each entry specifies the finding, maps it to NIST 800-53 controls SI-2 and AC-6, assigns a system administrator as the owner, and schedules remediation within 30 days for the high findings and 90 days for the medium findings, in line with agency policy. The contracting officer reviews POA&M status at the monthly program review. All five items are closed on schedule, which the program manager notes in the next CPARS assessment.