Philip Walley writes about enterprise cybersecurity topics including SASE, Zero Trust, AI agents and authorization for leaders designing secure networks. The issues offer a clear point of view, such as treating AI agents like temporary contractors and enforcing limits architecturally rather than through prompts.
Website: https://philipwalley.com/
Essays and a serialized book on AI-era cybersecurity, trust and measurement, citing specific vendor and lab reports. Readers get an original framework, including the Learning Advantage Ratio and the work-factor idea for AI judgment, alongside analysis of how security metrics get gamed.
Cisco Talos publishes threat research, vulnerability disclosures and analysis of attacker campaigns, with detection and coverage guidance for Cisco customers. Recent posts cover critical PHP flaws, abuse of legitimate platforms for phishing delivery, and the surge in AI-discovered vulnerabilities.
Practical, KQL-heavy lessons on Microsoft Sentinel and Entra ID security, covering detection rule tuning, log cost reduction and exposure from anonymous sharing links. Each issue critiques a common default or assumption and shows a concrete fix.
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