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🔐 '''Zero trust architecture''' is a cybersecurity framework increasingly adopted by [[Definition:Insurance carrier | insurance carriers]], [[Definition:Managing general agent (MGA) | MGAs]], and [[Definition:Insurtech | insurtech]] firms that eliminates the assumption of implicit trust within a network and instead requires continuous verification of every user, device, and application attempting to access resources. In an industry that handles vast quantities of sensitive [[Definition:Policyholder | policyholder]] data — from health records in [[Definition:Life insurance | life]] and [[Definition:Health insurance | health insurance]] to financial details in [[Definition:Commercial insurance | commercial lines]] — the traditional perimeter-based security model has proven inadequate against modern threats. Zero trust replaces the old "trust but verify" mindset with "never trust, always verify," treating every access request as potentially hostile regardless of whether it originates inside or outside the corporate network.

🛡️ Implementation typically involves layering several controls: micro-segmentation of networks so that a breach in one area cannot easily spread to [[Definition:Claims management | claims systems]] or [[Definition:Policy administration system | policy administration platforms]]; strict identity and access management (IAM) ensuring that an [[Definition:Underwriter | underwriter]] in one business unit cannot reach data belonging to another; real-time device posture checks; and encrypted communications between every service. For insurers migrating workloads to the cloud — a trend accelerated by [[Definition:Digital transformation | digital transformation]] programs — zero trust provides a consistent security posture across on-premises [[Definition:Legacy system | legacy systems]], [[Definition:Application programming interface (API) | APIs]] connecting [[Definition:Broker | broker]] portals, and third-party [[Definition:Vendor management | vendor]] integrations. Continuous monitoring and [[Definition:Data analytics | analytics]] evaluate context — such as login location, time of day, and behavioral patterns — to flag anomalies before they escalate into [[Definition:Data breach | data breaches]] that could trigger [[Definition:Cyber insurance | cyber insurance]] claims on an insurer's own books.

💡 Beyond protecting an insurer's internal operations, zero trust architecture has growing relevance to [[Definition:Cyber insurance | cyber]] [[Definition:Underwriting | underwriting]] itself. Carriers increasingly evaluate whether applicants have adopted zero trust principles as part of the [[Definition:Risk assessment | risk assessment]] process, sometimes offering more favorable [[Definition:Premium | premiums]] or broader [[Definition:Coverage | coverage]] to organizations that demonstrate mature implementations. Regulators and frameworks such as the NAIC's [[Definition:Insurance data security model law | Insurance Data Security Model Law]] are pushing the industry toward stronger access controls that align naturally with zero trust tenets. For insurers and insurtechs alike, embracing this architecture is both a defensive necessity — protecting the trust that [[Definition:Policyholder | policyholders]] place in them — and a competitive differentiator in an era where [[Definition:Cyber risk | cyber risk]] sits at the top of enterprise agendas.

'''Related concepts'''
{{Div col|colwidth=20em}}
* [[Definition:Cyber insurance]]
* [[Definition:Data breach]]
* [[Definition:Insurtech]]
* [[Definition:Policy administration system]]
* [[Definition:Cyber risk]]
* [[Definition:Digital transformation]]
{{Div col end}}

Definition:Zero trust architecture - Revision history

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