A technical blog and newsletter with command-line tool cheatsheets (uv, ripgrep) and first-person write-ups from cybersecurity competitions such as CCDC. Readers get quick-reference command lists and some practical red team and blue team advice.
Website: https://www.sshell.co/
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.
A threat intelligence newsletter that turns recent public reporting on cyber operations, espionage and exploitation into prioritized judgments for defenders. Each issue separates what is known from what is plausible and ends with a concrete check or decision for security teams.
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