Tag

Zero Trust Security

Zero trust security content examines the principle of never trusting and always verifying every user, device, and connection. Articles explore micro-segmentation, least-privilege access, continuous monitoring, and how organizations transition from perimeter-based defenses to zero trust models.

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Zero Trust Network Access

Zero Trust Network Access: A Practical Guide for 2026

In January 2024, Microsoft disclosed that a Russian-linked threat actor — Midnight Blizzard — breached corporate email accounts by exploiting a legacy test tenant that lacked multi-factor authentication. No zero-day. No sophisticated exploit chain. Just a password spray against an old account that trusted the network it sat on. That's

Carl B. Johnson Mar 30, 2026 5 min read
Password Manager Benefits

Password Manager Benefits That Stop 80% of Breaches

One Reused Password Cost This Company $4.6 Billion In 2017, a single set of reused credentials let threat actors walk into Equifax's systems and expose 147 million records. The total cost exceeded $4.6 billion when you factor in the FTC settlement, lawsuits, and remediation. One password.

Carl B. Johnson Mar 29, 2026 5 min read
Removed Legitimate Software

Removed Legitimate Software: How Attackers Exploit Trust

The Trojan Horse You Already Installed In March 2024, a lone developer named Andres Freund noticed something odd: SSH connections were taking 500 milliseconds too long. That curiosity uncovered the XZ Utils backdoor — a sophisticated supply chain attack where a threat actor had spent two years building trust as a

Carl B. Johnson Dec 13, 2025 6 min read
Computer Virus Prevention

Computer Virus Prevention: 9 Steps That Actually Work

The Virus That Cost a Hospital Chain $100 Million In 2017, the NotPetya wiper malware tore through networks worldwide in under 24 hours. Heritage Valley Health System lost access to its entire network — radiology, cardiology, even surgical systems went dark. Across the globe, Maersk lost nearly $300 million. Merck reported

Carl B. Johnson Nov 06, 2025 7 min read
Cybersecurity

Cybersecurity in 2025: What Actually Works Now

The Breach That Changed How I Think About Cybersecurity In February 2024, Change Healthcare — one of the largest health payment processors in the United States — was hit by a ransomware attack that disrupted pharmacy operations, delayed patient care, and exposed the protected health information of roughly 100 million individuals. UnitedHealth

Carl B. Johnson Nov 06, 2025 7 min read
Cyber Security

Cyber Security in 2025: What Actually Works Now

The Breach That Changed How I Think About Cyber Security In February 2024, Change Healthcare — one of the largest health payment processors in the United States — was hit by a ransomware attack that disrupted pharmacies, hospitals, and insurance claims across the country for weeks. UnitedHealth Group, its parent company, later

Carl B. Johnson Nov 06, 2025 7 min read
Security of Cyberspace

Security of Cyberspace: What Actually Works in 2025

A $3.1 Billion Problem Nobody Wants to Own In 2023, the FBI's Internet Crime Complaint Center (IC3) reported $12.5 billion in cybercrime losses — up from $10.3 billion the year before. Investment fraud alone accounted for $4.57 billion. These aren't abstract numbers. They

Carl B. Johnson Nov 06, 2025 6 min read
What Is Cybersecurity

What Is Cybersecurity? A Practitioner's Real-World Guide

A $4.88 Million Question Nobody Asks Until It's Too Late In May 2023, the city of Dallas, Texas got hit with Royal ransomware. Emergency services disrupted. Court systems offline. Weeks of recovery. The estimated cost ran into tens of millions. And the entry point? A service account

Carl B. Johnson Nov 06, 2025 7 min read
IT Security

IT Security in 2025: What Actually Works Now

In March 2025, the FBI's Internet Crime Complaint Center reported that cybercrime losses in the United States exceeded $16.6 billion in 2024 — a 33% increase over the prior year. That number didn't come from sophisticated nation-state attacks alone. It came from basic IT security failures:

Carl B. Johnson Oct 26, 2025 7 min read