Computer Security US Blog

Computer Security News and Insights

Identity Theft Protection

Identity Theft Protection for Businesses: A Field Guide

In March 2021, the FBI's Internet Crime Complaint Center reported that business email compromise and identity theft schemes cost U.S. organizations over $4.2 billion in 2020 alone — making it the single most expensive category of cybercrime. That number isn't slowing down. If you run

Carl B. Johnson Sep 16, 2021 7 min read
Multi-Factor Authentication

Authenticator App vs SMS Verification: Which Is Safer?

In February 2021, T-Mobile disclosed a data breach that exposed customer phone numbers and SIM information. That same month, the FBI's Internet Crime Complaint Center continued logging a surge in SIM swap complaints — a threat that directly undermines SMS-based two-factor authentication. If your organization still relies on text

Carl B. Johnson Sep 16, 2021 7 min read
Cybersecurity Glossary

Cybersecurity Glossary for Beginners: 40 Terms to Know

During the 2020 SolarWinds breach investigation, I watched a boardroom full of executives stare blankly when an incident responder mentioned "lateral movement" and "supply chain compromise." They had no idea what was happening to their own network — not because they were negligent, but because nobody had

Carl B. Johnson Sep 16, 2021 8 min read
Cybersecurity Terms Explained

Cybersecurity Terms Explained: A No-Nonsense Guide

In May 2021, Colonial Pipeline paid a $4.4 million ransom after a single compromised password shut down fuel delivery across the U.S. East Coast. The post-incident reporting was filled with jargon — ransomware, threat actor, credential theft, attack vector — that left most non-technical readers glazing over. Here's

Carl B. Johnson Sep 16, 2021 7 min read
Malware

What Is Malware? A Security Pro's Real-World Guide

The Colonial Pipeline Attack Changed Everything In May 2021, a single compromised password led to the most disruptive cyberattack on U.S. critical infrastructure in history. DarkSide ransomware shut down Colonial Pipeline's 5,500-mile fuel system, triggering gas shortages across the eastern seaboard. The company paid a $4.

Carl B. Johnson Sep 16, 2021 7 min read
Types of Malware

Types of Malware: What's Actually Hitting Networks in 2021

Colonial Pipeline Was Just the Beginning In May 2021, a single compromised password shut down the largest fuel pipeline in the United States. Colonial Pipeline paid DarkSide operators $4.4 million in ransom. Fuel shortages rippled across the Southeast for days. That attack used just one of the many types

Carl B. Johnson Sep 16, 2021 7 min read
Adware vs Spyware

Adware vs Spyware: What Security Pros Know You Don't

In March 2021, Avast researchers disclosed that at least 28 browser extensions — used by roughly three million people — were quietly harvesting browsing data and redirecting users to phishing and ad-laden sites. Some of those extensions looked like simple ad-blocking tools. Others posed as social media helpers. Under the hood, they

Carl B. Johnson Sep 16, 2021 7 min read
Trojan Horse Malware

Trojan Horse Malware: What It Is and How to Stop It

In July 2021, the REvil ransomware gang exploited a vulnerability in Kaseya's VSA software and dropped a trojan payload onto the systems of roughly 1,500 businesses worldwide. The attack didn't arrive as an obvious virus. It masqueraded as a legitimate software update — the textbook definition

Carl B. Johnson Sep 03, 2021 7 min read
Keylogger Attack

Keylogger Attack: How Hackers Steal Every Keystroke

In March 2021, security researchers discovered that the Agent Tesla keylogger had become one of the most prevalent malware families in the wild, appearing in phishing campaigns targeting organizations across every sector. This wasn't some exotic zero-day. It was a commodity keylogger attack tool that anyone could buy

Carl B. Johnson Sep 03, 2021 7 min read