Duck Cloud Blog

Practical guides for Duck Cloud tools, security, and workflows

Tutorials, SEO-friendly explainers, and step-by-step articles that link directly to the tools they describe.

Resilience and Recovery

Configuration Drift Detection with JSON, YAML, and Text Diffs

Detect unplanned configuration changes by normalizing data, separating secrets, comparing desired and actual state, and verifying remediation.

Sep 18, 2026

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Software Supply Chain

Dependency Confusion Attacks: How to Protect Private Packages

Prevent public packages from replacing internal dependencies with namespace controls, registry mapping, version policy, lockfiles, and build isolation.

Sep 18, 2026

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Software Supply Chain

Lockfile Integrity and Reproducible Dependency Installs

Use lockfiles safely with frozen installs, integrity hashes, reviewable diffs, trusted registries, clean builds, and controlled updates.

Sep 18, 2026

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Software Supply Chain

Software Bill of Materials Guide: Build and Use an SBOM

Create an actionable SBOM with component identity, versions, suppliers, relationships, hashes, licenses, provenance, and update workflows.

Sep 18, 2026

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Resilience and Recovery

Backup Restore Testing: Prove Your Data Can Recover

Design restore tests that verify integrity, keys, permissions, dependencies, performance, application behavior, and documented recovery steps.

Sep 18, 2026

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Resilience and Recovery

RTO vs RPO: Set Realistic Disaster-Recovery Targets

Define recovery time and recovery point objectives from business impact, dependencies, backup frequency, restoration capacity, and tested results.

Sep 18, 2026

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Web Performance

Web Cache Poisoning: Causes, Tests, and Prevention

Prevent attackers from storing harmful responses by aligning cache keys, host validation, forwarded headers, normalization, and cacheability rules.

Sep 18, 2026

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Web Performance

HTTP Cache-Control and ETag: A Practical Caching Guide

Choose Cache-Control directives, validators, freshness, revalidation, and variation rules for static assets, pages, and authenticated responses.

Sep 18, 2026

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Security Operations

Secure Preview Tunnels and Temporary Development URLs

Use development tunnels safely with authentication, short lifetimes, origin restrictions, secret isolation, logging, and explicit shutdown.

Sep 18, 2026

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Security Operations

Post-Quantum Cryptography Migration: Start with an Inventory

Prepare for post-quantum migration by inventorying cryptographic use, data lifetimes, vendors, protocols, certificates, libraries, and upgrade paths.

Sep 18, 2026

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Identity and Access

API Endpoint Authentication Checklist: Beyond a Hidden URL

Secure API routes with explicit authentication, authorization, token validation, resource checks, rate limits, and failure-safe defaults.

Sep 18, 2026

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Security Operations

Risk-Based Vulnerability Prioritization: What to Patch First

Prioritize vulnerabilities using exploitation evidence, exposure, asset importance, privileges, compensating controls, and recovery readiness.

Sep 18, 2026

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