Tag

zero trust

Examines the zero trust security model, which eliminates implicit trust and continuously verifies every user, device, and connection. Articles cover zero trust architecture principles, micro-segmentation, identity verification, least-privilege access, and practical implementation roadmaps for organizations.

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CISA cybersecurity guidelines

CISA Cybersecurity Guidelines: What Actually Matters

In February 2024, CISA issued an emergency directive after a threat actor compromised Microsoft's corporate email systems and accessed correspondence from multiple federal agencies. The directive forced agencies to reset credentials, review logs, and report back within days. That single incident crystallized something I've been telling

Carl B. Johnson May 16, 2026 6 min read
insider threat indicators

Insider Threat Indicators: Spotting Danger Before Damage

In July 2020, a 17-year-old in Florida convinced a Twitter employee to hand over internal credentials. Within hours, the attacker hijacked accounts belonging to Barack Obama, Elon Musk, and Apple — tweeting a Bitcoin scam to millions. The breach didn't start with a sophisticated exploit or zero-day vulnerability. It

Carl B. Johnson Dec 12, 2020 7 min read
NIST Cybersecurity Framework

NIST Cybersecurity Framework: A Practical Guide for 2026

The Framework 87% of Organizations Reference — But Most Implement Poorly When Change Healthcare suffered its catastrophic ransomware attack in early 2024 — ultimately affecting an estimated 100 million individuals — the post-incident analysis pointed to failures that the NIST Cybersecurity Framework was specifically designed to prevent. Missing multi-factor authentication on a critical

Carl B. Johnson Sep 20, 2019 8 min read