Short, first-person security notes covering newly disclosed vulnerabilities, patch targets and incident write-ups. Each issue gives the affected versions, who is exposed and a concise list of actions to take.

Chipstrat is an independent newsletter by a former Intel engineer covering semiconductors, optics, AI infrastructure and business strategy for tech leaders and investors. Recent issues explain technical topics like coherent optics for scale-across AI networks, and offer opinionated takes on companies such as Dell and Intel.

Stephane Thirion writes practical infrastructure notes for IT administrators, covering Citrix Native Entra SSO migration requirements, NetScaler security patching and options, and a redesigned homelab architecture built on Proxmox, Talos Kubernetes and HAProxy. Each issue focuses on concrete decisions, version baselines and the trade-offs behind them.

A sysadmin-focused newsletter by a hands-on practitioner covering firewall configuration, smart home automation and infrastructure tooling, with step-by-step write-ups of real home-lab problems. Readers get concrete technical solutions such as OPNsense wildcard aliases, migrating Eufy cameras to a new integration stack, and controlling a battery with Home Assistant.