Computer Security US Blog

Computer Security News and Insights

Cybersecurity Culture

Cybersecurity Culture in the Workplace: Build It or Pay

One Click Cost MGM Resorts Over $100 Million In September 2023, a social engineering attack against MGM Resorts International shut down slot machines, hotel key cards, and reservation systems across Las Vegas. The threat actors didn't exploit a zero-day vulnerability. They called the help desk, impersonated an employee,

Carl B. Johnson Jul 20, 2026 6 min read
Work From Home Cybersecurity

Work From Home Cybersecurity: A Practical Guide

The $20 Million Breach That Started on a Home Wi-Fi Network In 2024, a healthcare company disclosed a breach that exposed 11 million patient records. The root cause? A remote employee connected to an unsecured home network, clicked a phishing link, and handed over VPN credentials to a threat actor.

Carl B. Johnson Jul 19, 2026 5 min read
Phishing Awareness

Phish Food: What Threat Actors Serve Your Employees

Your Employees Are Eating Phish Food Every Day In March 2024, MGM Resorts was still tallying the damage from a social engineering attack that started with a single phone call. The estimated cost exceeded $100 million. The threat actor didn't exploit a zero-day vulnerability or deploy some exotic

Carl B. Johnson Jul 19, 2026 6 min read
Tailgating Attack

Tailgating Attack Cybersecurity: The Threat at Your Door

In 2019, a former employee of Capital One walked into an AWS cloud environment — digitally, not physically — but the breach that exposed over 100 million records started with exploiting trust and access. That same principle of exploiting trust is exactly how a tailgating attack in cybersecurity works in the physical

Carl B. Johnson Jul 19, 2026 5 min read
Cybersecurity for Law Firms

Cybersecurity for Law Firms: Protecting Client Data

In November 2023, the international law firm Allen & Overy confirmed it was hit by a LockBit ransomware attack that disrupted internal systems and exposed sensitive data. They weren't alone. The American Bar Association disclosed a data breach that same year affecting 1.4 million members. If you

Carl B. Johnson Jul 18, 2026 5 min read
Cybersecurity Terms Explained

Cybersecurity Terms Explained: A Practical Guide

In 2023, MGM Resorts lost an estimated $100 million after a social engineering attack that started with a single phone call to a help desk. The attackers didn't exploit some exotic zero-day vulnerability. They used techniques that anyone familiar with basic cybersecurity terminology would recognize — vishing, credential theft,

Carl B. Johnson Jul 18, 2026 5 min read
Fake Mailer

Fake Mailer Attacks: How Threat Actors Spoof Email

In 2023, a finance employee at a multinational firm wired $25 million after receiving what appeared to be emails from the company's CFO. The messages were convincing, urgent, and completely fabricated. The attacker used a fake mailer — a tool designed to forge the "From" field in

Carl B. Johnson Jul 17, 2026 5 min read
Home Computer Security

How Can You Protect Your Home Computer in 2026

Your Home Computer Is a Bigger Target Than You Think In 2023, the FBI's Internet Crime Complaint Center received over 880,000 complaints with losses exceeding $12.5 billion — and a massive share of those victims were everyday people targeted through their personal machines. Not corporate networks. Not

Carl B. Johnson Jul 16, 2026 5 min read
Ransomware

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

A Hospital Goes Dark in 90 Seconds In 2024, Change Healthcare — one of the largest health payment processors in the United States — was hit by the ALPHV/BlackCat ransomware group. The attack disrupted pharmacy operations, delayed patient care, and exposed the protected health information of roughly 100 million individuals. UnitedHealth

Carl B. Johnson Jul 16, 2026 5 min read