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Security

Articles in the "Security" category.

Security

Data-at-Rest Security for Builders: Encryption, Key Management, and Backups

Protecting data at rest is not a single switch. Choose the encryption layer (app / DB-TDE / disk), keep keys out of code (env vars → KMS → envelope encryption), encrypt and test-restore backups, and tighten access control — mapped by "which threat, defended by what," with US (breach laws, HIPAA, PCI DSS) and EU (GDPR Art. 32) drivers.

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Security

Authentication and Authorization, Explained: One Map from Passwords to Passkeys, OAuth, and Zero Trust

Authentication (who you are) and authorization (what you may do), explained as one connected map — from passwords, MFA, and passkeys to SSO, OAuth, OIDC, and SAML, up to Zero Trust. A concept guide for US/EU builders, centered on NIST SP 800-63-4 and eIDAS 2.0.

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Security

ChatGPT & Claude Security Settings in Three Tiers (US/EU)

AI service safety splits into three tiers: enforced by settings, per-use discipline, and enterprise contracts. Training opt-outs and retention, the three mechanical layers for CLI and autonomous agents, a pre-input five-question checklist, and contract-only guarantees (ZDR, audit logs) — with the US/EU drivers (FTC, state laws, GDPR, AI Act).

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Security

Communication Security, Layer by Layer — TLS, Zero Trust & AuthN/AuthZ (US/EU)

Understand communication security through eight layers (OSI 7 plus an authentication / authorization layer): what to defend at each layer (TLS, IPsec, mTLS, zero trust, OAuth / OIDC), a layer-by-layer checklist, and the US/EU drivers (NIST, FedRAMP, NIS2, CRA, GDPR) — for practitioners who are not security specialists.

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Security

How Enterprise Networks Work — Zones, Firewalls & Zero Trust (US/EU)

Understand enterprise networks through three zones and two layers of gatekeepers (firewalls): a parts cheat-sheet, three traffic-flow scenarios, VPN vs ZTNA, cloud-connection choices, and a planning / pre-release checklist — for practitioners who are not infrastructure specialists.

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