Artigos do SimeonOnSecurity

Um guia prático para desativar o pagamento por aproximação em um cartão de crédito reserva, mantendo os pagamentos pelo chip e pela tarja magnética disponíveis, com limites de segurança e alternativas melhores.

Entregue uma alteração sintética de retenção por fluxos GitHub-first e Confluence/Jira, com evidências de falhas e revisão independente.

Defina funções do piloto, fontes autoritativas, modelos de política e testes de aceitação antes de conectar ferramentas de IA.

Use measured Raspberry Pi 4 and 5 results to choose local language models by memory, speed, and workload, from tiny LFM2.5 models to 3B and larger options.

Evaluate Docker inside Proxmox LXC with a documented AppArmor failure, a careful reading of a host-freeze report, diagnostic commands, and a VM migration plan.

A practical account of building a local AI assistant for Meshtastic, with private configuration, queued TCP access, retrieval tools, and a safer dashboard.

Understand the SenseCAP M1 shield, compare conflicting GPIO maps, inspect its ATECC608, and plan a LoRaWAN gateway with modern Raspberry Pi OS.

Flock Safety does not sell cameras. It sells a subscription to warrantless movement data. Here is how the sales pitch works, how it runs against the Fourth Amendment, and why the fight is about the pitch, not the company.

Learn what sandboxed Google Play changes on GrapheneOS, when a separate profile helps, and how accounts, notifications, and app compatibility fit together.

Build a Microsoft SOC home lab with Sentinel, Defender, Intune, and Entra. Practice incident investigation, validate passkey policies, and document portfolio evidence.