What is CyXS?
CyXS is a global excess cyber insurance solution, built around client feedback to deliver flexibility, efficiency, and tangible value. It provides adaptable coverage options via Lloyd's and open market capacity to meet evolving cyber risks and ensures seamless excess layer protection.
Key features and benefits

Flexible excess layer capacity
- CyXS can sit over cyber, technology errors and omissions (E&O), and cyber property damage coverage. It can attach at any point in excess of a primary layer, with no minimum attachment point, providing the coverage you need, exactly when you need it.
- Access up to £75 million in excess cyber insurance capacity via two lead insurers offering varied limits and attachment options.

Broad industry availability
- Widely adopted by WTW clients globally.
- Suitable for businesses across multiple industries and regions.

Efficient underwriting process
- Streamlined underwriting with two lead insurers handling decisions.
- Delegated authority model, ensuring faster quotes and claims resolutions.

Restore: Optional limit reinstatement
All CyXS products include the restore option, allowing you to reinstate your limits before or after a loss at a pre-determined price, ensuring you have the coverage you need to recover quickly and effectively.
Why Choose CyXS?
Simplicity, efficiency, and adaptability
CyXS is designed for organisations that need reliable, scalable excess cyber insurance. Whether structuring a multi-layered cyber program or addressing emerging risk gaps, CyXS delivers:
- Customised excess solutions with tailored limit and attachment options.
- Simplified placement via delegated underwriting to lead insurers.
- Seamless claims experience, with underwriting and claims decisions controlled by a single leader.
With leading underwriting and claims decisions, CyXS ensures clarity and certainty; empowering businesses to manage cyber risk confidently.
Excess cyber insurance contacts
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CyXS Plus
We are excited to introduce our expanded Willis Cyber offering, CyXS Plus. With growing client demand for scalable, flexible excess cyber insurance, Willis continues to evolve CyXS to stay ahead of market needs. Recent cyber events highlight the increasing importance of comprehensive cyber capacity solutions, and CyXS Plus remains at the forefront, offering flexibility, efficiency, and coverage innovation.


