SPIFFE and SPIRE workload identity explained: SPIFFE IDs, X.509 and JWT SVIDs, node and workload attestation, trust domains and mTLS - the reference architecture for zero-trust service identity in 2026.
SLSA and Sigstore explained: build provenance, keyless signing with Fulcio and Rekor, in-toto attestations and cosign verification - a 2026 reference architecture for securing your software supply chain.
Post-quantum cryptography migration for platform teams: ML-KEM and ML-DSA rollout, hybrid TLS key exchange, cryptographic inventory, PKI and firmware signing, and a crypto-agility decision record for 2026.
How card tokenization shrinks PCI DSS scope: vault design, format-preserving vs random tokens, network tokens, detokenization flows, and key management for payment systems.
MCP server security architecture: tool poisoning, indirect prompt injection, OAuth 2.1, sandboxing, least privilege, and a defense-in-depth model for Model Context Protocol.
A 2026 production tutorial for OpenBao secrets management: sealing, auth methods, dynamic secrets, Kubernetes injection, and high-availability deployment.
DMZ and port forwarding done safely — network segmentation, NAT and firewall rules, port forwarding vs VPN vs reverse proxy, and a hardened reference setup.