15.04.2025
Blog
Resilience
Cyber Security

Why business impact analysis is crucial for successful business continuity management

A key, yet often underestimated, component of business continuity management is the Business Impact Analysis (BIA). It helps organisations to analyse critical business processes and thereby ensure their business continuity. A well-founded BIA is indispensable, particularly in the face of everyday threats such as cyber-attacks, supply chain disruptions and natural disasters.

Lea Calmano
Head of Cyber Security Consulting

What is a Business Impact Analysis and why is it essential?

A Business Impact Analysis (BIA) identifies an organisation’s critical business processes and analyses their interdependencies, as well as the potential impact of business process failures on the organisation. This helps organisations to set priorities in the event of an emergency and ensure that business-critical processes are restored first.

It is important for organisations not only to keep track of their own operations but also to monitor the entire supply chain. This also includes interfaces with, for example, IT service providers. A BIA also highlights the point at which a process failure becomes critical and when the so-called ‘unacceptability level’ is reached – that is, the point at which the organisation is seriously at risk. Various time horizons are considered, for example, after one hour, eight hours or several days. Potential damage, such as financial losses, reputational damage or even harm to personal safety, is also assessed.

The difference between a Business Impact Analysis and risk management

Although BIA is often confused with risk management, there are important differences:

  • Risk management assesses risks in general and thus potential causes of failures, with a view to implementing preventive measures.
  • BIA focuses on the failure of critical business processes and examines when this leads to intolerable consequences for the organisation. Dependencies on other business processes and resources are analysed, and protective measures are derived.

From analysis to strategic planning: Business Continuity Management

The results of the BIA are incorporated into the Business Continuity Plan (BC Plan), which, amongst other things, defines emergency strategies and the emergency organisation within the framework of the special organisational structure (BAO). These include, for example, emergency roles, decision-making processes and recovery plans for affected systems. Highly regulated sectors such as the financial and healthcare sectors or public administrations have stricter BCM requirements. Every organisation should regularly review and adapt its own BC strategies and BC Plan.

Small and medium-sized enterprises (SMEs) often face the challenge of organising this area efficiently. A pragmatic solution involves regular emergency drills and clearly documented procedures that can be implemented immediately in the event of an emergency.

BCM in practice: practice makes perfect

A common problem is that organisations underestimate the time required for recovery following an outage. The best strategy is to build up and test BCM step by step:

  • Tabletop exercises as a first step to run through processes in theory.
  • Practical emergency drills to simulate real-life scenarios.
  • Unannounced crisis scenarios to test responsiveness and identify weaknesses.

Crises such as the COVID-19 pandemic have shown that unforeseen events can have a massive impact on organisations. Similarly, cyberattacks pose a growing threat. Organisations should be aware of their vulnerabilities, implement technical and organisational safeguards, and establish a security culture in which staff can report anomalies without fear of negative personal consequences.

Conclusion

A thorough BIA is essential for organisations to understand their own critical business processes and to become more resilient. It is akin to a medical check-up that identifies vulnerabilities at an early stage. BCM is not a one-off task, but an ongoing process that must be regularly updated and tested. Those who are well prepared can react more quickly in an emergency, minimise damage and safeguard business continuity.

Find out more in our podcast episode – have a listen now!

Lea Calmano
Head of Cyber Security Consulting

Lea Calmano has been working as a cyber security consultant for over five years, with a particular focus on compliance and governance. At Materna, she is the team lead for Cyber Security Consulting. With in-depth knowledge and extensive experience in the fields of Information Security Management Systems (ISMS) and Business Continuity Management (BCM), she helps companies to optimise their security strategies and meet regulatory requirements.

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