CISOsCISO is a series-style newsletter covering the intersection of cybersecurity, AI and digital trust from a CISO's perspective. Recent issues cover cloud security priorities for 2027, the shift from least privilege to least agency, and AI systems as distinct security domains.
Website: https://www.cisosciso.com/
Stoïk's security team publishes detailed technical write-ups on real ransomware intrusions, scanner vulnerabilities and on-chain ransom tracing. Readers get incident timelines, root-cause analysis and concrete defensive checks drawn from the team's own investigations.
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.
Covers security news for people who run their own servers and care about privacy, including supply-chain attacks, runtime vulnerabilities and forensic tooling. It separates verified facts from rumour and explains what each issue means for readers and which fixes to apply.
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