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Cybersecurity Awareness

Articles on cybersecurity awareness cover the foundational knowledge individuals and organizations need to recognize and respond to digital threats. Topics include safe browsing habits, password hygiene, social engineering tactics, and building a security-first culture across teams.

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Spoofing

Spoofing Attacks: How They Work and How to Stop Them

A CFO Wired $25 Million Because of a Spoofed Video Call In early 2024, a finance worker at a multinational firm in Hong Kong transferred $25.6 million after joining a video conference call where every other participant — including the company's CFO — was a deepfake. The threat actors

Carl B. Johnson Jan 17, 2026 7 min read
Spoof

Spoof Attacks: How Threat Actors Trick Your Defenses

The CEO Email That Wasn't From the CEO In early 2025, a mid-sized logistics company wired $3.1 million to a bank account in Hong Kong. The CFO had received an email — apparently from the CEO — requesting an urgent wire transfer for a confidential acquisition. The email address

Carl B. Johnson Jan 17, 2026 7 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
Spoofing

What Is Spoofing? The Attack Behind 90% of Breaches

In March 2025, the FBI's Internet Crime Complaint Center reported that spoofing-related fraud accounted for billions in losses across American businesses and individuals. Every major data breach investigation I've worked on in the past five years started the same way — someone trusted something that wasn'

Carl B. Johnson Dec 09, 2025 7 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
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
Security for System

Security for System Environments: A 2025 Field Guide

The Breach That Started With a Single Unpatched System In February 2024, UnitedHealth Group's subsidiary Change Healthcare suffered a ransomware attack that disrupted healthcare payment processing across the United States for weeks. The attackers gained access through a Citrix remote access portal that lacked multi-factor authentication. One system.

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
Home Computer Security

How Can You Protect Your Home Computer in 2025

In March 2025, the FBI's Internet Crime Complaint Center reported that Americans lost over $16 billion to cybercrime in 2024 — a staggering 33% jump from the year before. A massive chunk of those losses started with compromised home computers. Not enterprise servers. Not government networks. Regular people'

Carl B. Johnson Oct 15, 2025 7 min read
Computer Virus Prevention

Computer Virus Prevention: 9 Steps That Actually Work

A Single Click Cost One Hospital Chain $100 Million In 2024, Change Healthcare — the largest health payment processor in the United States — was hit by the ALPHV/BlackCat ransomware group. The attack disrupted pharmacy operations, delayed insurance claims, and ultimately cost UnitedHealth Group an estimated $872 million in the first

Carl B. Johnson Oct 15, 2025 7 min read