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 company executives tricked employees into wiring $46.7 million to overseas accounts. The attackers never breached a firewall. They never deployed malware. They sent emails — and those emails were enough. That's

Carl B. Johnson Oct 04, 2026 6 min read
FakeEmail

FakeEmail Attacks: How Threat Actors Spoof Your Inbox

The FakeEmail That Cost One Company $37 Million In 2024, the FBI's IC3 reported that business email compromise — the art of sending a convincing fakeemail that impersonates a trusted sender — accounted for over $2.9 billion in adjusted losses. That's not a typo. One European company

Carl B. Johnson Oct 04, 2026 5 min read
Zero Trust Network Access

Zero Trust Network Access: What It Actually Takes

In 2023, the U.S. Marshals Service suffered a major breach when a threat actor compromised a system containing sensitive law enforcement data — personal information on investigative targets, internal processes, and more. The agency had traditional perimeter defenses in place. What they didn't have was a model that

Carl B. Johnson Oct 04, 2026 5 min read
Zero Trust Security Model

Zero Trust Security Model: Why Perimeters Are Dead

In January 2024, Microsoft disclosed that a Russian threat actor group known as Midnight Blizzard had accessed senior executive email accounts — not by exploiting some exotic zero-day, but by spray-attacking a legacy test account that lacked multi-factor authentication. One account. No MFA. That's all it took to breach

Carl B. Johnson Oct 03, 2026 5 min read
Vishing Scam Awareness

Vishing Scam Awareness: Stop Voice Phishing Now

The Phone Call That 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 single vishing call — a voice phishing attack — triggered a ransomware event that shut down

Carl B. Johnson Oct 03, 2026 5 min read
Phishing Definition

Phishing Definition: What It Really Means in 2026

In 2024, the FBI's Internet Crime Complaint Center received over 298,000 phishing complaints — making it the most reported cybercrime for the fifth consecutive year. Yet when I ask executives to give me a phishing definition, most of them still say something like "those fake emails from

Carl B. Johnson Oct 02, 2026 5 min read
Computer Security Companies

Computer Security Companies: What They Won't Tell You

The Billion-Dollar Blind Spot in Cybersecurity Spending In 2024, global cybersecurity spending surpassed $215 billion. Organizations bought firewalls, endpoint detection, SIEM platforms, and managed services from every major vendor on the planet. And breaches still hit record numbers. The Verizon 2024 Data Breach Investigations Report found that 68% of breaches

Carl B. Johnson Oct 02, 2026 5 min read
fake email

Fake Email: How to Spot It Before It Costs You

In 2023, a finance employee at a multinational firm in Hong Kong wired $25 million after receiving what appeared to be a legitimate video call from the company's CFO — a deepfake. But the attack started with something far simpler: a fake email. That initial message looked routine, requested

Carl B. Johnson Oct 02, 2026 5 min read
Medusa Ransomware

Medusa Ransomware Gang Phishing Campaigns: What to Know

The FBI Didn't Issue a Joint Advisory for Nothing In March 2025, CISA, the FBI, and MS-ISAC released a joint cybersecurity advisory (#StopRansomware) specifically about the Medusa ransomware variant. By that point, Medusa had already hit over 300 organizations across critical infrastructure sectors — healthcare, education, legal, insurance, technology,

Carl B. Johnson Oct 01, 2026 5 min read