The global cyber insurance market is growing fast, and insurers are now searching for better ways to manage extreme cyber risks. According to Gallagher Re, combining cyber reinsurance with property catastrophe coverage could significantly reduce the cost of protecting against major cyber events.
The company explained this strategy in a recent white paper titled “Cyber and Property Combined Covers: Buying the Tail More Efficiently.”
Cyber Insurance Market Has Doubled
Over the past few years, cyber insurance has expanded rapidly. Global premiums have increased from about $8 billion in 2020 to roughly $16 billion today, reflecting the rising demand for protection against cyberattacks.
As companies become more dependent on digital systems, insurers are facing growing exposure to large-scale cyber incidents. This has increased demand for cyber excess-of-loss (XL) reinsurance, particularly for extreme or “tail” risk events.
According to Gallagher Re, cyber risk has long been considered a major potential source of volatility for insurance and reinsurance companies.
A large cyber catastrophe could affect the balance sheets of insurers in a way similar to a severe natural disaster, although the total losses would likely be smaller.
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Cyber Tail Risk Is Still Expensive
Despite strong market capacity, cyber tail risk protection remains costly.
Reinsurers continue to charge high multiples of expected losses for tail layers because of three main challenges:
- High capital requirements
- Uncertainty in cyber catastrophe models
- The possibility of systemic cyber events affecting multiple industries at once
Because of these risks, minimum rates-on-line for standalone cyber reinsurance remain relatively high, even as other areas of the cyber market become more competitive.
A New Strategy: Combine Cyber and Property Cat Risk
Gallagher Re believes insurers can reduce these costs by combining cyber tail risk with property catastrophe exposures in a shared-limit reinsurance structure.
Property catastrophe risks—such as hurricanes or earthquakes are generally uncorrelated with cyber incidents. This means the two risks are unlikely to trigger losses at the same time.
By blending the exposures into a single reinsurance layer, insurers can achieve:
- Lower capital requirements for reinsurers
- Better diversification of risk
- Reduced pricing for coverage
According to Gallagher Re’s analysis, this shared-limit structure can secure capacity at a significantly lower rate than purchasing cyber tail protection alone.
Growing Demand for Cyber Tail Protection
Demand for cyber reinsurance continues to grow as insurers increase their cyber portfolios.
Gallagher Re pointed to a recent milestone in the market: at the January 1, 2026 renewal season, insurers purchased a $1 billion cyber excess-of-loss tower for the first time.
This highlights the increasing scale of cyber risk and the need for stronger protection against catastrophic cyber events.
Role of Insurance-Linked Securities
Another trend shaping the market is the growing use of insurance-linked securities (ILS) and cyber catastrophe bonds.
These financial instruments allow investors to provide capital for insurance risks, helping insurance companies diversify their sources of protection beyond traditional reinsurance markets.
The expansion of the cyber catastrophe bond market could help meet rising demand for large-scale cyber tail coverage.
Expert Insight from Gallagher Re
Ian Newman, Global Head of Cyber at Gallagher Re, emphasized the importance of new solutions as the market evolves.
He noted that as the cyber insurance sector expands, insurers face increasing challenges in managing exposure to extreme events.
By taking advantage of diversification and exploring opportunities in the ILS market, insurers can build stronger protection against cyber catastrophes while keeping costs under control.
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What This Means for the Cyber Insurance Market
The cyber insurance sector is entering a new phase of maturity. Rapid growth in premiums and rising cyber threats are forcing insurers to rethink how they manage large losses.
Combining cyber risk with property catastrophe coverage may become one of the most efficient ways to purchase tail protection.
If widely adopted, this approach could help insurers lower costs, access more reinsurance capacity, and improve financial resilience against future cyber disasters.
