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Phishing Prevention

Delivers actionable advice on recognizing and preventing phishing attacks, including email phishing, spear phishing, smishing, and vishing. Covers detection techniques, employee training approaches, email security tools, and real-world phishing examples to strengthen your defenses.

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Computer Virus Prevention

Computer Virus Prevention: 9 Steps That Actually Work

A Single Click Cost One Hospital $28 Million In 2024, Change Healthcare — a unit of UnitedHealth Group — suffered a ransomware attack that started with compromised credentials and insufficient access controls. The fallout disrupted healthcare claims across the United States for weeks. The company paid a $22 million ransom, and total

Carl B. Johnson Jun 04, 2026 5 min read
Shadow IT

What Is Shadow IT? The Hidden Risk You Can't Ignore

In 2023, a financial services employee signed up for an unsanctioned file-sharing app using their corporate email. Within weeks, a threat actor exploited a vulnerability in that app and exfiltrated 11,000 customer records. The security team didn't even know the app existed. That's shadow IT

Carl B. Johnson May 30, 2026 5 min read
Computer Virus Prevention

Computer Virus Prevention: 9 Defenses That Work in 2026

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 ultimately cost UnitedHealth Group an estimated $872 million in the first quarter alone. The attack vector? Stolen credentials and the

Carl B. Johnson May 28, 2026 5 min read
Home Computer Security

How Can You Protect Your Home Computer in 2026

In 2023, the FBI's IC3 received over 880,000 cybercrime complaints with losses exceeding $12.5 billion — and a massive chunk of those victims were everyday people sitting at home computers. Not Fortune 500 companies. Not government agencies. Regular people who thought their home setup was too small

Carl B. Johnson May 27, 2026 5 min read
Computer Security Advice

Computer Security Advice That Actually Works in 2026

In 2024, the FBI's Internet Crime Complaint Center received over 859,000 complaints with losses exceeding $16.6 billion — a 33% increase from the year before. That number isn't slowing down in 2026. I've spent years watching organizations and individuals make the same preventable

Carl B. Johnson May 27, 2026 5 min read
Computer Security Advice

Computer Security Advice That Actually Works in 2026

The Breach That Started With a Single Password In 2023, MGM Resorts lost an estimated $100 million after a threat actor social-engineered a help desk employee with a ten-minute phone call. The attackers didn't exploit some exotic zero-day vulnerability. They used basic social engineering — information scraped from LinkedIn

Carl B. Johnson May 19, 2026 5 min read
Ransomware Attack Prevention

Ransomware Attack Prevention: What Actually Works in 2026

A Single Click Cost Change Healthcare $22 Million in Ransom In February 2024, the BlackCat/ALPHV ransomware group crippled Change Healthcare — a company processing roughly one-third of all U.S. health claims. UnitedHealth Group confirmed paying a $22 million ransom. Patient data for over 100 million individuals was compromised. The

Carl B. Johnson May 14, 2026 5 min read
Cybersecurity Due Diligence

Cybersecurity Due Diligence: What Most Companies Miss

The $350 Million Typo in Verizon's Yahoo Deal When Verizon acquired Yahoo in 2017, the discovery of two massive data breaches — affecting all 3 billion Yahoo accounts — knocked $350 million off the purchase price. That's not a rounding error. That's what happens when cybersecurity

Carl B. Johnson May 12, 2026 5 min read
Phishing Definition

Phishing Definition: What It Really Means in 2026

In 2024, the FBI's Internet Crime Complaint Center received over 298,000 phishing complaints — making it the most reported cybercrime category for the fifth consecutive year. That number almost certainly undercounts reality. Most phishing attacks never get reported. If you've landed here searching for a phishing

Carl B. Johnson May 12, 2026 5 min read