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🔐 '''Data encryption''' is the practice of converting sensitive information into an unreadable format using cryptographic algorithms, ensuring that only authorized parties with the correct decryption key can access the original data. Within the insurance industry, encryption serves as a frontline defense for protecting [[Definition:Policyholder | policyholder]] records, [[Definition:Claims management | claims]] data, medical information in [[Definition:Health insurance | health]] and [[Definition:Life insurance | life insurance]] portfolios, and financial details exchanged between [[Definition:Insurance carrier | carriers]], [[Definition:Reinsurance | reinsurers]], [[Definition:Insurance broker | brokers]], and [[Definition:Third-party administrator (TPA) | third-party administrators]]. It is also a key underwriting consideration for [[Definition:Cyber insurance | cyber insurance]], where an applicant's use of encryption directly influences risk assessment and [[Definition:Premium | premium]] calculations.

🛡️ Encryption operates at multiple layers across insurance operations. Data at rest — stored in policy administration systems, [[Definition:Data warehouse | data warehouses]], or cloud platforms — is typically protected with standards like AES-256, while data in transit between parties is secured via TLS protocols. When [[Definition:Underwriting | underwriters]] evaluate a [[Definition:Cyber liability insurance | cyber liability]] submission, they examine whether the applicant encrypts sensitive databases, laptop hard drives, email communications, and backup media. Organizations that maintain robust encryption practices often qualify for lower [[Definition:Deductible | deductibles]] or broader [[Definition:Coverage | coverage]] terms, because encrypted data that is exposed in a breach may not trigger [[Definition:Data breach notification law | data breach notification laws]] in many jurisdictions — a so-called "safe harbor" provision that significantly reduces the financial impact of an incident.

📊 From an industry perspective, encryption standards have become a baseline expectation rather than a differentiator. [[Definition:State insurance regulation | State regulators]] and frameworks like the [[Definition:National Association of Insurance Commissioners (NAIC) | NAIC]] Insurance Data Security Model Law explicitly call for encryption as part of the information security programs that licensed entities must maintain. Insurers that fall short expose themselves to regulatory penalties, [[Definition:Errors and omissions insurance (E&O) | errors and omissions]] liability, and reputational harm. On the product side, the presence or absence of encryption in an insured's environment is one of the strongest predictors of claim severity in cyber portfolios, making it a data point that [[Definition:Actuarial science | actuaries]] and [[Definition:Data science | data scientists]] weight heavily when modeling [[Definition:Loss ratio (L/R) | loss ratios]] and setting rate adequacy.

'''Related concepts'''
{{Div col|colwidth=20em}}
* [[Definition:Data security]]
* [[Definition:Cyber insurance]]
* [[Definition:Data breach notification law]]
* [[Definition:Data privacy]]
* [[Definition:Information security program]]
* [[Definition:Underwriting]]
{{Div col end}}

Definition:Data encryption - Revision history

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