Computer Security US Blog

Computer Security News and Insights

Vendor Risk Management

Vendor Risk Management Cybersecurity: A Practical Guide

The Breach That Didn't Start With You In 2023, the MOVEit Transfer vulnerability didn't just hit one company — it cascaded through thousands of organizations that trusted a single vendor's file transfer software. Clop ransomware operators exploited the flaw, and suddenly organizations like the BBC,

Carl B. Johnson Aug 20, 2026 6 min read
Fake Email

Fake Email: How to Spot One Before It Costs You

In 2019, a Lithuanian man named Evaldas Rimasauskas pleaded guilty to stealing over $100 million from Google and Facebook — using nothing more than a series of fake email messages. He impersonated a legitimate hardware vendor, sent invoices from spoofed email addresses, and two of the most sophisticated tech companies on

Carl B. Johnson Aug 19, 2026 6 min read
Social Engineering Attacks

Social Engineering Attacks: How They Actually Work

In September 2023, a threat actor called Scattered Spider social-engineered their way into MGM Resorts by calling the company's IT help desk. One phone call. That's all it took to trigger a shutdown that cost MGM an estimated $100 million. No zero-day exploit. No sophisticated malware.

Carl B. Johnson Aug 19, 2026 5 min read
NIST Standards

NIST Standards: What They Actually Mean for Your Security

The Framework Nobody Reads But Everyone Claims to Follow I once walked into a mid-sized financial firm that proudly declared on their website they were "aligned with NIST standards." Thirty minutes into the assessment, I found admin passwords on sticky notes, no multi-factor authentication on critical systems, and

Carl B. Johnson Aug 18, 2026 6 min read
Vishing Scam Awareness

Vishing Scam Awareness: Stop Voice Phishing Now

A Single Phone Call Cost MGM Resorts $100 Million In September 2023, a threat actor called MGM Resorts' IT help desk, impersonated an employee found on LinkedIn, and convinced a technician to reset credentials. That one vishing call triggered a ransomware attack that shut down slot machines, hotel key

Carl B. Johnson Aug 18, 2026 5 min read
Spear Phishing

Spear Phishing: Why Targeted Attacks Beat Defenses

In 2023, MGM Resorts lost roughly $100 million after a threat actor called Scattered Spider impersonated an employee on a help desk call — a textbook spear phishing technique that bypassed every technical control the company had. The attacker didn't blast out a million generic emails. They researched one

Carl B. Johnson Aug 17, 2026 5 min read
Stolen Credentials Dark Web

Stolen Credentials Dark Web: How Your Logins Get Sold

In 2024, the FBI's Internet Crime Complaint Center (IC3) reported that compromised credentials were a factor in a staggering number of the complaints they received, driving billions of dollars in losses. I've personally worked incident response cases where a single set of stolen credentials — purchased on

Carl B. Johnson Aug 17, 2026 5 min read
Fake Identity Website

Fake Identity Website Scams: How to Spot Them Fast

A Single Fake Identity Website Fueled a $10 Million Fraud Ring In 2023, the FBI dismantled an identity fraud operation that relied heavily on fake identity websites — convincing portals designed to harvest personal data from unsuspecting victims. The ring used stolen credentials to open bank accounts, file fraudulent tax returns,

Carl B. Johnson Aug 17, 2026 5 min read