Security - IoT Digital Twin PLM

OAuth 2.1, PKCE, OIDC and JWT Validation Pitfalls: A Token Security Guide (2026)

By MPRAUTO MPRAUTO October 16, 2026Security1 Comment

OAuth 2.1, PKCE, OIDC and JWT Validation Pitfalls: A Token Security Guide (2026) Most token breaches are not cryptographic breaks. They are a library that accepted alg: none, a resource…

TLS 1.3 for Constrained IoT Devices: Handshake, 0-RTT, mTLS and Performance Costs (2026)

By MPRAUTO MPRAUTO October 14, 2026SecurityNo Comments

TLS 1.3 IoT: Handshake, 0-RTT, mTLS and Performance Costs on Constrained Devices (2026) A battery-powered sensor that reports once an hour has a surprisingly lopsided budget. The payload is perhaps…

SBOM and VEX: CycloneDX vs SPDX for Software Supply Chain Vulnerability Triage (2026)

By MPRAUTO MPRAUTO October 14, 2026Security3 Comments

SBOM and VEX: CycloneDX vs SPDX for Software Supply Chain Vulnerability Triage (2026) A scanner reports 412 vulnerabilities in a container image. Your security team has two engineers and a…

Post-Quantum Cryptography for OT and IIoT: CNSA 2.0 and NIST IR 8547 Deadlines

By MPRAUTO MPRAUTO September 28, 2026SecurityNo Comments

ML-KEM and ML-DSA on 15-year-lifespan PLCs, gateways and sensors: what CNSA 2.0 and NIST IR 8547 deadlines mean for industrial firmware and PKI.

SPIFFE & SPIRE: Workload Identity Architecture for Zero Trust (2026)

By MPRAUTO MPRAUTO July 27, 2026Security4 Comments

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 + Sigstore: Software Supply Chain Security Architecture (2026)

By MPRAUTO MPRAUTO July 26, 2026Security2 Comments

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: A Crypto-Agility ADR (2026)

By MPRAUTO MPRAUTO July 21, 2026Security1 Comment

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.

Card Tokenization and the PCI DSS Vault: A Payment Security Architecture (2026)

By MPRAUTO MPRAUTO July 10, 2026SecurityNo Comments

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: Defending Model Context Protocol Tools (2026)

By MPRAUTO MPRAUTO July 10, 2026Security3 Comments

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.

DMZ and Port Forwarding: Secure Remote Access Architecture

By mprcba May 25, 2026SecurityNo Comments

DMZ and port forwarding done safely — network segmentation, NAT and firewall rules, port forwarding vs VPN vs reverse proxy, and a hardened reference setup.