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Protecting The Crown Jewels: How to Secure Your Mission-Critical Information Assets

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Six recommended actions for senior leadership
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Your organisation runs on a foundation of vital systems, data, and people, but how confident are you that your most valuable mission-critical assets are receiving the protection they deserve?

Many organisations assume their security measures are comprehensive, until an incident reveals critical oversights. In over 60% of breaches, attackers exploit systems that were incorrectly excluded from the organisation’s list of mission-critical assets.

Only senior leaders have the authority and insight to define what truly matters to the organisation. Without strategic prioritisation, even well-intentioned security teams risk defending everything equally and protecting nothing effectively.

The risks are constant and evolving

Malicious actors

Ransomware attacks now account for nearly 25% of all data breaches, and 60% of organisations report at least one attempted intrusion by a nation-state or state-sponsored group in the past year.

Accidental threats

Roughly 82% of breaches involve a human element, including error, misuse, or misconfiguration.

Environmental disruptions

Over 40% of global business disruptions in the past two years have been linked to environmental or infrastructure events.

From Awareness to Action

Our approach empowers leadership teams to make strategic security decisions that count:

  • Identify your crown jewels, the assets that truly define your organisation’s success.

  • Justify protection and investment, align security resources with business priorities for maximum impact.

  • Drive a culture of security, embed resilience into the DNA of your organisation.

With our structured framework, you’ll gain six actionable recommendations designed to strengthen resilience and ensure your most critical assets are secured against today’s dynamic threats.

Standard of Good Practice

Covers a broad range of security topics across emerging threats, technologies, and risks and helps organisations integrate up-to-date good practice into their business processes, security programmes, and compliance efforts.

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Cyber Simulation Exercise

ISF Cyber Simulation Exercises put your team to the test with realistic, customised scenarios, strengthening their ability to respond effectively to cyber incidents.

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Benchmark

The ISF Benchmark assesses security performance across environments, helping organisations identify key areas for improvement and optimise their security investment.

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As we look to the future, one truth remains unchanged: information is one of the most valuable assets every organisation possesses. Protect it at all costs.
Mark Chaplin,
Principal Analyst, ISF

Empower Your Security Strategy

Not a member? Discover ISF Membership and access the full report to help CISOs and security teams identify, assess, and protect their most valuable assets.

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Six recommended actions for senior leadership
Download the Executive View