Tag: #security
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 141 posts
The Complete DevSecOps Guide 2025: Shift-Left Security, SAST/DAST/SCA, Container Security
Everything about DevSecOps! Shift-Left security strategy, SAST (SonarQube/Semgrep), DAST (ZAP/Burp), SCA (Snyk/Dependabot), Container security (Trivy), Supply chain security (SBOM/SLSA), Secret detection, GitHub Actions
2026-03-24 · 20 min read #devsecops#security#shift-left#sast#dastWeb Security OWASP Top 10 Complete Guide 2025: 10 Vulnerabilities Every Developer Must Prevent
Master the OWASP Top 10 2021 with code! Broken Access Control, Injection (SQL/XSS/Command), Cryptographic Failures, SSRF, Security Misconfiguration — principles, attack scenarios, defense code, and production checklists
2026-03-23 · 20 min read #security#owasp#xss#sql-injection#csrfOAuth2 & JWT Complete Guide: Everything About Authentication and Authorization for Developers
Everything about OAuth2 and JWT with practical code! Authorization Code/PKCE/Client Credentials flows, JWT structure and signature verification, Access/Refresh Token strategies, Session vs Token comparison, OIDC, securit
2026-03-23 · 23 min read #oauth2#jwt#authentication#authorization#securityCI/CD Best Practices 2025: Pipeline Design, Automation, and Security for Teams
Everything about CI/CD pipelines! GitHub Actions vs Jenkins vs GitLab CI comparison, pipeline design principles, test automation, Docker build optimization, GitOps (ArgoCD), secret management, DORA metrics, and rollback
2026-03-23 · 23 min read #ci-cd#devops#github-actions#jenkins#argocdKyverno Production Operations: HA, Monitoring, Troubleshooting
Production operations guide for Kyverno. Covers HA deployment (replicas, failurePolicy), PolicyReport/ClusterPolicyReport CRDs, Prometheus metrics and Grafana dashboards, background scanning, PolicyException mechanism, a
2026-03-20 · 2 min read #kyverno#policy#security#open-source-internalsKyverno Architecture Internals: Kubernetes-Native Policy Engine
Deep dive into Kyverno architecture internals. Covers its design as a Kubernetes-native policy engine, Admission Controller/Background Controller/Reports Controller architecture, webhook configuration, ClusterPolicy vs P
2026-03-20 · 2 min read #kyverno#policy#security#open-source-internalsKyverno vs OPA/Gatekeeper: Policy Engine Comparison
Compare Kyverno and OPA/Gatekeeper from architecture, policy language, features, performance, and ecosystem perspectives. Covers YAML/CEL vs Rego, mutation/generation support, image verification, webhook latency, memory
2026-03-20 · 2 min read #kyverno#policy#security#open-source-internalsKyverno Image Verification: Sigstore and Supply Chain Security
Deep dive into Kyverno image verification capabilities. Covers verifyImages rules for cosign signature verification, Notary v2 support, in-toto attestation verification, SLSA provenance checking, Keyless/KMS key manageme
2026-03-20 · 15 min read #kyverno#policy#security#open-source-internalsKyverno Policy Engine Analysis: Validate, Mutate, Generate Rules Deep Dive
Deep dive into Kyverno policy engine internals. Covers match/exclude resource filters, validate rules (pattern matching, deny, CEL, foreach), mutate rules (patchStrategicMerge, patchesJson6902), generate rules (clone, sy
2026-03-20 · 14 min read #kyverno#policy#security#open-source-internals[Golden Kubestronaut] KCSA Extra 30 Practice Questions - Advanced Cloud Native Security
30 additional practice questions for the KCSA (Kubernetes and Cloud Native Security Associate) exam. Covers supply chain security (SLSA, Sigstore), runtime security (Falco, Tetragon), zero trust, SPIFFE/SPIRE, image sign
2026-03-20 · 14 min read #kubernetes#golden-kubestronaut#kcsa#certification#security[Golden Kubestronaut] CKS Extra 30 Practice Questions - Advanced Security Scenarios
30 additional advanced security scenario questions for CKS exam preparation. Covers Falco rules, Trivy/Grype image scanning, OPA/Gatekeeper advanced policies, AppArmor/Seccomp profiles, Pod Security Standards, RuntimeCla
2026-03-20 · 14 min read #kubernetes#golden-kubestronaut#cks#certification#securitySELinux, seccomp, Device Access: How KubeVirt Maintains Security Boundaries
Analyzes how KubeVirt combines SELinux, seccomp, cgroup device rules, and privileged helpers to simultaneously maintain VM execution and security boundaries, based on internal code.
2026-03-20 · 6 min read #architecture#kubevirt#security#selinux#seccomp[DevOps] Let's Encrypt and Certbot Complete Guide: Free TLS Certificates
A comprehensive guide covering Let's Encrypt ACME protocol mechanics, Certbot installation and certificate issuance, DNS/HTTP challenges, automatic renewal setup, and wildcard certificates.
2026-03-20 · 9 min read #devops#tls#ssl#letsencrypt#certbot[DevOps] Nginx TLS Configuration Complete Guide: PEM/Key Setup and Security Optimization
A comprehensive guide to applying PEM/Key files in Nginx, configuring TLS versions and cipher suites, HSTS, OCSP Stapling, HTTP/2 optimization, and mTLS setup.
2026-03-20 · 11 min read #devops#nginx#tls#ssl#securityKorean Peninsula Security Crisis: Geopolitical Transformation in 2026
Analysis of North Korea military cooperation with Russia, South Korea political transition, US-ROK alliance dynamics, nuclear program, China role, and prospects for the Korean peninsula.
2026-03-17 · 6 min read #korea#security#north-korea#geopolitics#peninsulaPost-Quantum Cryptography Migration: The USD 7B Race Against Q-Day
US federal agencies are investing over USD 7 billion to migrate cryptographic infrastructure to quantum-resistant technologies. The EU mandated migration completion by 2030, while Q-Day—when quantum computers break curre
2026-03-17 · 6 min read #post-quantum-cryptography#pqc#quantum-computing#security#2026-03Cybersecurity Threats March 2026: Zero-Day Exploits and Supply Chain Attacks
Critical analysis of March 2026 cybersecurity threats: Microsoft patched 84 flaws, Google released 129 Android security fixes, Cisco SD-WAN authentication bypass (CVSS 10.0), and GlassWorm supply chain attacks through VS
2026-03-16 · 7 min read #security#cybersecurity#zero-day#supply-chain#devopsGlassWorm Supply Chain Attack Analysis: Invisible Threats in VS Code Extensions and Development Environment Security Strategy
Technical analysis of the March 2026 GlassWorm malware that infected over 72 VS Code extensions. Dissects Unicode variation selector-based concealment, Solana blockchain C2 channels, and self-propagation mechanisms at th
2026-03-15 · 26 min read #devops#security#supply-chain#vscode#glasswormNIST AI Agent Security Framework: Threat Models and Security Architecture for the Agentic AI Era
Built on the NIST CAISI AI Agent Standards Initiative, this practitioner-focused guide covers the 3 pillars of agentic AI security (identity, isolation, monitoring), a threat taxonomy, the OWASP LLM Agent Top 10, zero tr
2026-03-14 · 28 min read #networking#security#ai-agent#nist#threat-modelGitHub Actions Advanced CI/CD: Matrix Builds, Cache Strategies, and Security Hardening
Covers production-level CI/CD pipeline construction including GitHub Actions matrix build optimization, cache strategies, self-hosted runner configuration, reusable workflows, and security hardening.
2026-03-14 · 18 min read #github-actions#ci-cd#devops#automation#security