Computer Security US Blog

Computer Security News and Insights

CEO Fraud

CEO Fraud Email Scam: How Attackers Steal Millions

A Single Email Cost This Company $47 Million In 2015, Ubiquiti Networks disclosed that threat actors impersonating senior executives tricked finance employees into wiring $46.7 million to overseas accounts controlled by attackers. No malware. No zero-day exploit. Just a convincing email that looked like it came from the CEO.

Carl B. Johnson Sep 26, 2026 5 min read
Cyber Hygiene Checklist

Cyber Hygiene Checklist: 12 Steps That Actually Work

The Breach That Started With an Unpatched Laptop In 2023, the MOVEit Transfer vulnerability (CVE-2023-34362) was exploited by the Cl0p ransomware group to compromise over 2,500 organizations worldwide. The root cause wasn't some exotic zero-day that no one could have predicted — it was a known vulnerability with

Carl B. Johnson Sep 26, 2026 5 min read
Security in Cloud Computing

Security in Cloud Computing: What Goes Wrong in 2026

A Single Checkbox Left Unchecked Cost Them Everything In 2023, Toyota disclosed that a cloud misconfiguration had exposed the location data of 2.15 million customers for over a decade. Not a sophisticated zero-day exploit. Not a nation-state threat actor. A misconfigured cloud database left publicly accessible because someone didn&

Carl B. Johnson Sep 25, 2026 5 min read
Vishing

FBI Warning: Vishing and Smishing Attacks Surge in 2026

The Phone Call That Cost One Company $23 Million In early 2024, a finance employee at a multinational firm in Hong Kong joined a video call with what appeared to be the company's CFO and several colleagues. Every person on the screen was a deepfake. The employee transferred

Carl B. Johnson Sep 25, 2026 5 min read
What Is Malware

What Is Malware? A Security Pro's Field Guide

In 2023, the FBI's Internet Crime Complaint Center received over 880,000 complaints with potential losses exceeding $12.5 billion — and malware was the engine behind a staggering share of those incidents. If you've ever asked what is malware, the textbook answer is simple: malicious software

Carl B. Johnson Sep 24, 2026 5 min read
Phishing Links

What Is a Phishing Link? How to Spot and Stop Them

In 2023, 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. Behind nearly every one of those complaints was a single moment: someone clicked a link they shouldn't have. If you&

Carl B. Johnson Sep 24, 2026 6 min read
VPN Best Practices

VPN Best Practices: What Actually Protects You in 2026

In 2024, Ivanti disclosed critical vulnerabilities in its VPN appliances — CVE-2024-21887 and CVE-2023-46805 — that were actively exploited by threat actors before patches were available. CISA issued an emergency directive ordering federal agencies to disconnect affected devices within 48 hours. That's not a drill. That's your VPN

Carl B. Johnson Sep 24, 2026 5 min read
Shadow IT Risks

Shadow IT Risks: The Hidden Threat Draining Your Budget

In 2023, a mid-size healthcare company discovered that an employee had been syncing patient records to a personal Dropbox account for two years. The data breach affected over 30,000 patients and triggered a HIPAA investigation. The employee wasn't malicious — they just wanted an easier way to work

Carl B. Johnson Sep 23, 2026 5 min read
Dark Web

What Is the Dark Web? A Security Pro's Real Guide

Your Employees' Passwords Are Probably Already There In 2024, the FBI's Internet Crime Complaint Center reported over $16 billion in losses from cybercrime — and a staggering amount of that activity traces back to marketplaces most people never see. If you've ever wondered what is the

Carl B. Johnson Sep 23, 2026 5 min read
Computer Security Security

Computer Security Security: Why One Layer Is Never Enough

In 2023, MGM Resorts lost an estimated $100 million after a social engineering attack that started with a single phone call to their help desk. The attackers didn't exploit some exotic zero-day. They bypassed one security control — identity verification — and the dominoes fell. That incident is a masterclass

Carl B. Johnson Sep 23, 2026 5 min read