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SESK: Stuff Everyone Should Know · sesk.info/secplus-bia-prioritize-systems

What does a business impact analysis (BIA) help an organization identify and prioritize?

The systems and components critical to its mission and business processes.

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  1. Which employees to promote
  2. Systems critical to supporting mission and business processes ✔
  3. Which firewall vendor is cheapest

Why: A BIA asks what the business cannot live without, and for how long. Its results drive recovery priorities and objectives like RTO. It is a key step before writing contingency plans.

Huh, didn't know that: NIST says recovery time objectives are determined by the system-based BIA.

The dad joke
The BIA asked what happens if the coffee machine goes down. The answer was 'the entire company'.
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References

Answer: Systems critical to supporting mission and business processes. A BIA asks what the business cannot live without, and for how long. Its results drive recovery priorities and objectives like RTO. It is a key step before writing contingency plans.

  1. NIST SP 800-34 Rev. 1, Contingency Planning Guide for Federal Information Systems nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-34r1.pdf
    The BIA helps identify and prioritize information systems and components critical to supporting the organization’s mission/business processes
    Checked 2026-10-10.
  2. NIST SP 800-34 Rev. 1, Contingency Planning Guide for Federal Information Systems nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-34r1.pdf
    ISCP recovery time objectives are determined by the system-based BIA
    Checked 2026-10-10.

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