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☁️ '''Virtual private cloud (VPC)''' is a logically isolated section of a public cloud provider's infrastructure that gives an organization the network-level privacy and control of a private data center while retaining the scalability and cost efficiencies of cloud computing — an architecture increasingly adopted by [[Definition:Insurance carrier | insurers]], [[Definition:Reinsurance | reinsurers]], and [[Definition:Insurtech | insurtech]] companies that must balance the agility of cloud-native development with the strict data security and [[Definition:Regulatory compliance | regulatory]] obligations inherent to handling [[Definition:Policyholder | policyholder]] information. Within a VPC, an insurance organization defines its own IP address ranges, subnets, routing tables, and network gateways, creating an environment where sensitive workloads — such as [[Definition:Underwriting | underwriting]] engines, [[Definition:Claims management system | claims processing systems]], and [[Definition:Actuarial | actuarial]] modeling platforms — run in isolation from other tenants on the same physical infrastructure.

⚙️ Operationally, a VPC allows an insurer to architect its cloud environment with granular security controls that mirror or exceed what was achievable in traditional on-premises data centers. Subnets can be designated as public-facing (hosting, for example, a [[Definition:Customer | customer]] self-service portal or [[Definition:Insurance broker | broker]] quoting interface) or strictly private (containing databases with claims history, medical records, or financial [[Definition:Reserves | reserving]] data). Security groups and network access control lists govern traffic flow between these zones, ensuring that a web application tier can communicate with the application logic tier but that neither is directly reachable from the open internet without passing through load balancers and firewalls. For [[Definition:Managing general agent (MGA) | MGAs]] and [[Definition:Third-party administrator (TPA) | TPAs]] exchanging [[Definition:Bordereaux | bordereaux]] data with carriers, VPC peering or private link connections enable secure data transfer between organizations' respective cloud environments without routing traffic over the public internet.

🛡️ Regulatory expectations around data residency and sovereignty make VPC architecture particularly significant for insurers operating across multiple jurisdictions. Under the European Union's GDPR, China's data localization requirements, and similar frameworks in markets like India and Indonesia, insurers may need to ensure that certain data categories remain within specific geographic boundaries. VPCs deployed in region-specific availability zones allow a global insurer to maintain separate, compliant environments for each market while still managing them through a unified governance framework. The UK's Prudential Regulation Authority and the Monetary Authority of Singapore, among others, have issued guidance on outsourcing and cloud usage that effectively requires insurers to demonstrate they retain meaningful control over their data environments — precisely the kind of control a well-configured VPC provides compared to shared or unpartitioned cloud deployments. As core insurance platforms from vendors and insurtech providers increasingly default to cloud delivery, the VPC has become foundational infrastructure rather than an optional enhancement.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Cloud computing]]
* [[Definition:Information security]]
* [[Definition:Data governance]]
* [[Definition:Cyber insurance]]
* [[Definition:Regulatory compliance]]
* [[Definition:Application programming interface (API)]]
{{Div col end}}

Definition:Virtual private cloud (VPC) - Revision history

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