Cyber Resilience vs Business Continuity: Where SIEM, SOAR and Backups Meet ISO 22301

Business continuity keeps critical activities running through disruption. Cyber resilience emphasises anticipating, withstanding, recovering from, and adapting to cyber adversity. Under ISO 22301 they converge when the disruptor is malware, ransomware, insider abuse, or cloud outage with a security root cause.

Integration point: Detection and containment (SIEM/SOAR) shorten disruption; BCP/DR define how the business continues while IT recovers. Neither replaces the other.

Side-by-Side

BCMS focus — activities, suppliers, people, sites, plans, exercises (ISO 22301)
Cyber resilience focus — identity, endpoints, telemetry, response playbooks, secure rebuild
Shared outcomes — availability of critical services within BIA-derived objectives

Where SIEM and SOAR Fit

Early detection of ransomware staging and destructive behaviour
Orchestrated containment that protects recovery environments
Evidence for post-incident review and BCMS improvement
Monitoring during failover when logging paths change

Backups Are Necessary, Not Sufficient

Immutable / offline backups support RPO goals, but restore procedures, malware-free rebuild, and business workarounds belong in DR and BCP — exercised under clause 8.5.

How CyberSilo Helps

BCMS programme artefacts — BIA, plans, exercise records — organised in Compliance Standards Automation
ThreatHawk SIEM / SOAR for detection, response evidence, and ICT continuity telemetry during disruption
Advisory scoping for certification readiness — contact CyberSilo

Connect SOC and BCMS

Pair ThreatHawk detection/response with CSA-managed continuity artefacts.

Talk to CyberSilo ThreatHawk SIEM + SOAR

Frequently Asked Questions

Is cyber resilience a separate ISO standard?

Cyber resilience is a capability concept. ISO 22301 certifies the BCMS; ISO 27001 certifies the ISMS. Use both where security and continuity obligations overlap.

Does SIEM satisfy ISO 22301 alone?

No. SIEM supports detection and evidence. You still need BIA, plans, exercises, and leadership of the BCMS.

What about ISO 27001 A.5.29 / A.5.30?

Those Annex A controls cover information security during disruption and ICT readiness for business continuity — natural bridges to ISO 22301.

Ransomware playbook · 22301 vs 27001 · EU resilience guide

Cyber Resilience vs Business Continuity: Where SIEM, SOAR and Backups Meet ISO 22301

Side-by-Side

Where SIEM and SOAR Fit

Backups Are Necessary, Not Sufficient