Assuming that an organization’s operational landscape and threat vectors remain unchanged, frequently revisiting and amending the incident response plan has limited utility.
Even if an organization’s operational landscape and threat vectors appear to remain unchanged, it is a best practice to frequently review and update the incident response plan. Threats constantly evolve, and what may seem like an unchanged threat landscape could still have subtle new risks that necessitate plan adjustments. Additionally, an incident response plan may have unrecognized flaws that only become apparent over time or through periodic testing. Therefore, it's a misconception to deem that revisions have limited utility without continuous, proactive evaluation.
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Why should the incident response plan be updated regularly even if threat vectors seem unchanged?
What are 'threat vectors', and how do they impact an incident response plan?
What are some common methods to evaluate and test the effectiveness of an incident response plan?