ISO 22301 at a glance
- Full name
- ISO 22301: Security and resilience. Business continuity management systems. Requirements
- Type
- Certifiable standard (voluntary. An accredited certification body issues a certificate)
- Is it mandatory?
- No. Voluntary; often expected by banks, governments and enterprise customers
- Where it applies
- Global
- Published or enforced by
- ISO (technical committee ISO/TC 292, Security and resilience)
- Current version
- ISO 22301:2019 with Amendment 1:2024 (climate action changes)
- Who needs it
- IT service providers, data centres, SaaS with uptime SLAs
- Last reviewed
- Oct 30, 2026 · next review due Apr 30, 2027
ISO 22301 is the international standard for business continuity management. It helps an organisation prepare for, respond to and recover from disruptions such as cloud outages, ransomware, data centre failures, pandemics or the loss of a key supplier. The current version is ISO 22301:2019, amended in 2024 to add climate change considerations. It is voluntary and certifiable.
What is ISO 22301?
ISO 22301 specifies requirements for a business continuity management system (BCMS). It follows the Harmonized Structure used by other ISO management system standards, so its clauses line up with ISO 27001 and ISO 9001.
Key terms:
| Term | Meaning |
|---|---|
| Business impact analysis (BIA) | Analysis of the impact over time of a disruption to activities |
| Maximum tolerable period of disruption (MTPD) | Time after which the impact of not resuming an activity becomes unacceptable |
| Recovery time objective (RTO) | Target time to resume an activity or recover resources, set within the MTPD |
| Recovery point objective (RPO) | The point to which data must be restored, defining acceptable data loss |
| Minimum business continuity objective (MBCO) | The minimum level of service acceptable during a disruption |
Supporting standards include ISO 22313 (guidance on using ISO 22301), ISO/TS 22317 (business impact analysis) and ISO/IEC 27031 (ICT readiness for business continuity).
History and why it was introduced
| Year | Milestone |
|---|---|
| 2006 to 2007 | British Standard BS 25999 parts 1 and 2 published |
| 2012 | ISO 22301 published as the international standard, replacing BS 25999-2 |
| 2019 | Second edition simplifies requirements and aligns with the common management system structure |
| 2024 | Amendment 1 adds climate change considerations to clauses 4.1 and 4.2 |
ISO 22301 was introduced because organisations needed an internationally recognised way to prove they could keep operating through disruptions, after events such as the September 2001 attacks and regional disasters showed how unprepared many were.
Main objectives:
- Protect the organisation’s most important activities.
- Reduce the impact and duration of disruptions.
- Meet obligations to customers, regulators and stakeholders.
- Build resilience through regular testing and improvement.
Who needs ISO 22301?
| Company type | Need it? | Why |
|---|---|---|
| SaaS and cloud providers with uptime commitments | Often valuable | Customers rely on you for their own continuity |
| IT outsourcing, BPO and managed service providers | Often requested | Banking and enterprise clients require tested continuity |
| Suppliers to banks and financial institutions | Increasingly | Regulations such as DORA and RBI outsourcing rules push continuity requirements down to ICT providers |
| Data centres and hosting providers | Usually | Continuity is core to the service |
| Essential and important entities under NIS2 | Useful | NIS2 requires business continuity and crisis management |
| Small agencies and startups | Optional | A documented, tested plan may be enough |
Is ISO 22301 mandatory?
No. It is voluntary. Business continuity itself is required by many laws and regulators, for example NIS2 Article 21(2)(c), DORA’s ICT business continuity requirements for financial entities, and Indian financial regulators’ outsourcing and IT governance directions. ISO 22301 is a recognised way to meet and demonstrate those expectations.
Key requirements (clauses 4 to 10)
| Clause | What you need |
|---|---|
| 4 Context | Internal and external issues, interested parties, legal and regulatory requirements, BCMS scope |
| 5 Leadership | Top management commitment, business continuity policy, roles and authorities |
| 6 Planning | Actions to address risks and opportunities, business continuity objectives, planning changes |
| 7 Support | Resources, competence, awareness, communication, documented information |
| 8 Operation | BIA and risk assessment (8.2); continuity strategies and solutions (8.3); plans and procedures (8.4); exercise programme (8.5); evaluation of documentation and capabilities (8.6) |
| 9 Performance evaluation | Monitoring, internal audit, management review |
| 10 Improvement | Nonconformity, corrective action, continual improvement |
Clause 8 in practice
| Step | What it involves for an IT company |
|---|---|
| Business impact analysis | Identify products and activities (for example production SaaS, customer support, billing), impact over time of disruption, MTPD, RTO, RPO and dependencies (people, cloud regions, third parties) |
| Risk assessment | Risks of disruption: cloud region failure, ransomware, key supplier failure, loss of office or key staff |
| Strategies and solutions | Multi-region or multi-zone architecture, backups, alternate suppliers, remote work, cross-training |
| Plans and procedures | Incident response structure, communication and warning, recovery procedures, return to normal |
| Exercising | Tabletop exercises, failover tests, backup restore tests, communication drills |
How to implement ISO 22301
- Define scope: which products, locations and activities.
- Get leadership commitment and approve a business continuity policy.
- Run the BIA with business and engineering owners. Agree RTOs and RPOs per service.
- Assess risks of disruption.
- Choose strategies that meet the RTOs and RPOs at acceptable cost.
- Write plans: a crisis management plan, incident response and communication plans, and technical recovery runbooks.
- Train people in their roles.
- Exercise the plans with tabletop and technical tests; record lessons.
- Internal audit and management review.
- Certify with an accredited certification body if customers need a certificate.
Documentation and policies
- BCMS scope and business continuity policy
- Legal and regulatory requirements register
- Business continuity objectives
- BIA and risk assessment
- Continuity strategies and solutions
- Business continuity plans, crisis management plan, communication plan
- Technical recovery and disaster recovery runbooks
- Contact lists and call trees
- Exercise programme, exercise reports and improvement actions
- Supplier continuity assessments
- Training records, internal audit reports, management review minutes
Audits and certification
- Stage 1: review of documentation and readiness.
- Stage 2: assessment of the BCMS in operation, including evidence of exercises.
- Certificate: three years, with annual surveillance audits.
Use an accredited certification body and check certificates on IAF CertSearch. A certificate without evidence of real exercises is a red flag for customers.
Cost
| Cost area | What drives it |
|---|---|
| Certification body fees | Audit days, based on scope and staff |
| Resilience architecture | Multi-zone or multi-region hosting, backup, redundant suppliers |
| Staff time | BIA, plans, exercises |
| Tools | BCM software, emergency notification, backup and DR tooling |
| External support | Facilitated exercises and gap assessments |
Benefits
- Faster recovery and lower impact from outages.
- Evidence for customers and regulators.
- Clear decision-making during crises.
- Better architecture decisions based on agreed RTOs and RPOs.
- Supports NIS2, DORA and contractual SLAs.
Risks of not having it
- Long, chaotic outages and data loss.
- SLA breaches and service credits.
- Regulatory findings for regulated customers.
- Lost tenders that require continuity evidence.
Common mistakes
- Plans that are never tested.
- RTOs set by IT alone, without business input.
- Ignoring dependencies such as identity providers, DNS, payment providers and key staff.
- Single cloud region assumptions.
- Out-of-date contact lists and runbooks.
Challenges for IT companies
- Dependence on a few cloud and SaaS providers.
- Testing failover without affecting customers.
- Ransomware scenarios that compromise backups.
- Coordinating customer communication during multi-tenant incidents.
Best practices
- Set RTO and RPO per customer-facing service and publish them internally.
- Keep immutable or offline backups and test restores regularly.
- Run at least one cross-team tabletop exercise a year, including leadership.
- Keep runbooks next to the code and test them in game days.
- Combine with ISO 27001 for one integrated management system.
Tools that help
| Category | Supports |
|---|---|
| BCM software | BIA, plans, exercises |
| Backup and disaster recovery platforms | Recovery strategies, restore testing |
| Multi-region infrastructure as code | Failover |
| Incident management and on-call tools | Response coordination |
| Status page and emergency notification | Communication |
How ISO 22301 relates to other frameworks
| Framework | Relationship |
|---|---|
| ISO/IEC 27031 | Guidance on ICT readiness for business continuity. See ISO 22301 vs ISO 27031 |
| NIST SP 800-34 | US contingency planning guide for information systems |
| ISO 27001 | Includes continuity controls (5.29, 5.30); same structure |
| NIS2 and DORA | Laws that require business continuity |
| ITIL | Service continuity management practice |
| ISO/IEC 27035 | Information security incident management |
Real-world examples
- CrowdStrike outage (July 2024). A faulty security software update crashed millions of Windows machines worldwide, disrupting airlines, banks and hospitals and testing many organisations’ continuity plans.
- Cloud region outages. Major cloud providers have had multi-hour regional outages, a reminder that single-region architectures carry continuity risk.
- Illustrative scenario, not a real company: a payroll SaaS company sets an RTO of four hours and an RPO of 15 minutes for payroll runs. It moves to multi-zone databases, tests restores monthly, runs a ransomware tabletop with leadership, and certifies to ISO 22301 to satisfy banking clients.
Frequently asked questions
Is ISO 22301 mandatory? No, but business continuity is required by laws such as NIS2 and DORA and by many customer contracts.
What is the difference between RTO and RPO? RTO is how quickly a service must be restored. RPO is how much data loss, measured in time, is acceptable.
What is a business impact analysis? An analysis of how disruption to each activity affects the organisation over time, used to set recovery priorities.
How often should we test our plans? ISO 22301 requires a programme of exercises at planned intervals and after significant changes. Most organisations test at least yearly.
Is ISO 22301 the same as disaster recovery? No. Disaster recovery focuses on IT systems. ISO 22301 covers the whole organisation, including people, suppliers and communications.
Can we combine ISO 22301 with ISO 27001? Yes. They share a structure, and integrated audits are common.
Next steps
- Run a business impact analysis for your customer-facing services.
- Agree RTOs and RPOs with the business.
- Test a full restore from backup.
- Schedule a tabletop exercise with leadership.
Official sources
How this guide is kept accurate. It is written from the official text (ISO 22301:2019 with Amendment 1:2024 (climate action changes)) and the sources above, last reviewed on Oct 30, 2026. Standards and frameworks are reviewed every 6 months, and straight away when a new version, amendment or ruling is published. Spotted something out of date? Tell us.
This guide is general information, not legal advice. For decisions about your own obligations, speak to a qualified adviser.
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I’m Vishavjeet Choubey, an Enterprise LMS Architect with 10+ years of experience helping businesses, coaches, universities, and online academies build and scale powerful digital learning platforms. I specialize in enterprise LMS architecture, WordPress, WooCommerce, LifterLMS, LearnDash, Moodle, custom plugin development, and AI-driven automation. I build scalable LMS platforms, high-converting eCommerce solutions, and custom WordPress applications designed to improve user experiences, streamline operations, and drive measurable business growth. My approach combines deep WordPress and LMS engineering expertise with modern AI automation to reduce manual work, improve efficiency, and help organizations launch, scale, and grow faster.