A weekly security newsletter that analyses current threats such as firewall credential theft, SharePoint exploitation and ransomware intrusions, with a CISO-focused update on incident response. Readers get careful readings of advisories and vendor research that separate what the evidence establishes from what it does not.
Website: https://secpro.substack.com
404 Media is an independent tech journalism outlet whose newsletter covers investigative stories on surveillance, identity theft, fraud, and the physical impacts of technology such as data centers. Readers get long-form reporting that centers affected people and digs into how systems fail in practice.
Technical posts from Cloudflare engineers covering security product launches, vulnerability response, and web infrastructure for AI agents. Readers get detailed explanations of how new features work and why they were built, though from the vendor's own perspective.
A daily AI strategy newsletter aimed at practitioners and leaders who want practical guidance on running and building with AI agents, including hardware planning, agent security, and tools for investigating existing software. It mixes executive briefings, step-by-step prompt kits, and walkthroughs of open-source developer tools.
Gradient Flow is a practitioner-oriented newsletter by an author who interviews industry figures and writes analytical essays on applied AI, covering topics like deep model customization, local AI deployment, and AI agent security. Readers get concrete lessons from companies building with AI and a clear perspective on where the technology is headed.
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