Carl B. Johnson
Author

Carl B. Johnson

vCISO and compliance expert.

https://carlbjohnson.com

posts

Cybersecurity Glossary

Cybersecurity Glossary for Beginners: 40 Terms to Know

A hospital employee clicked a link in what looked like a routine password reset email. Within 72 hours, CommonSpirit Health — one of the largest U.S. health systems — was battling a ransomware attack that disrupted operations at over 140 facilities. The investigation report cited "lack of basic security awareness&

Carl B. Johnson Apr 23, 2023 7 min read
Malware

What Is Malware? A Security Pro's Field Guide

In February 2023, the U.S. Marshals Service confirmed a major ransomware attack that compromised sensitive law enforcement data — including personally identifiable information and internal legal documents. A federal agency with dedicated security staff and government-grade infrastructure still got hit. If you're running a business without those resources,

Carl B. Johnson Apr 10, 2023 7 min read
Types of Malware

Types of Malware: A Field Guide from Real Breaches

In 2022, the FBI's Internet Crime Complaint Center (IC3) received over 800,000 complaints with losses exceeding $10.3 billion — and malware was the engine behind a staggering number of those incidents. I've spent years watching organizations get blindsided not because they lacked firewalls, but because

Carl B. Johnson Apr 10, 2023 7 min read
Adware vs Spyware

Adware vs Spyware: What's Actually Stealing Your Data

In February 2023, the FBI's Internet Crime Complaint Center reported that malware-related complaints had surged again, with losses running into the hundreds of millions. Buried in those numbers is a distinction most people get wrong: adware vs spyware. I've watched organizations treat adware as a minor

Carl B. Johnson Apr 10, 2023 6 min read
Trojan Horse Malware

Trojan Horse Malware: How It Gets In and How to Stop It

In September 2022, Uber disclosed a breach that started with a single employee accepting a multi-factor authentication push notification they shouldn't have. The threat actor behind it — linked to the Lapsus$ group — had already compromised the employee's credentials. But the initial foothold? Social engineering and malware

Carl B. Johnson Jan 24, 2023 7 min read
Keylogger Attack

Keylogger Attack: How Hackers Steal Every Keystroke

In March 2022, the FBI issued a Private Industry Notification warning that cybercriminals were using keyloggers embedded in fake business invoices to compromise corporate networks. The attackers harvested credentials for weeks before anyone noticed. By then, the damage was done — financial accounts drained, email systems hijacked, and sensitive client data

Carl B. Johnson Jan 24, 2023 6 min read