Previdian's newsletter reports on vulnerabilities moving into active exploitation, using its honeypot network data. Recent issues cover a critical Cisco Catalyst SD-WAN Manager authentication bypass and two-stage SharePoint exploitation, with detailed indicators and defensive steps, plus its autonomous virtual patching product.
Website: https://blog.previdian.com/
A technical newsletter from an IT professor-style author that works through Microsoft security engineering problems with concrete KQL, showing why common detections and sharing settings fail in practice. Readers get practical guidance on Sentinel cost reduction, flawed analytic rules, and the security risks of anonymous sharing links.
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.
A researcher's blog publishing technical reverse-engineering reports on spyware, Android surveillance platforms and state-linked malware such as Kimsuky's EndClient RAT, with IOCs. It also offers essays on the power dynamics of threat intelligence and the role of civil society in spyware research.
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