Computer Security US Blog

Computer Security News and Insights

What Is Phishing

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

The Email That Cost One Company $121 Million In 2019, a Lithuanian man was sentenced to five years in prison for phishing Google and Facebook out of over $121 million. He sent fake invoices from a spoofed vendor email address. Employees at two of the most technically sophisticated companies on

Carl B. Johnson Jan 23, 2020 7 min read
Phishing Simulation Training

Phishing Simulation Training: Why Most Programs Fail

In 2023, MGM Resorts lost an estimated $100 million after a threat actor social-engineered their way past the help desk with a single phone call. One conversation. No malware payload, no zero-day exploit, no sophisticated code. Just a human being who wasn't prepared for the moment. That'

Carl B. Johnson Jan 19, 2020 7 min read
Phishing Prevention Tips

Phishing Prevention Tips That Actually Stop Attacks

In 2023, the FBI's Internet Crime Complaint Center received over 298,000 phishing complaints — more than any other cybercrime category. That number has only grown since. I've spent years helping organizations respond to phishing incidents, and the pattern is almost always the same: someone clicks a

Carl B. Johnson Jan 19, 2020 7 min read
Email Phishing Red Flags

Email Phishing Red Flags: 9 Signs You're Being Targeted

In March 2024, a finance employee at a UK-based engineering firm wired $25 million to threat actors after a deepfake video call. The attackers had spoofed the company's CFO — but the entire attack chain started with a single phishing email. That first message contained at least four classic

Carl B. Johnson Jan 19, 2020 7 min read
Phishing Prevention

How to Avoid Phishing Attacks: A Practical Guide

The Email That Cost One Company $37 Million In 2024, a finance employee at a multinational firm joined a video call with what appeared to be the company's CFO and several colleagues. Every face on that call was a deepfake. The employee authorized $25.6 million in transfers

Carl B. Johnson Jan 19, 2020 7 min read
Phishing Awareness Program

Phishing Awareness Program: Build One That Works

One Click Cost Them $100 Million In 2023, MGM Resorts was brought to its knees — not by a sophisticated zero-day exploit, but by a phone call. A threat actor called the help desk, impersonated an employee found on LinkedIn, and gained access to internal systems. The resulting ransomware attack cost

Carl B. Johnson Jan 19, 2020 7 min read
Business Email Compromise

Business Email Compromise: The $2.9B Threat in 2026

One Invoice, One Email, $47 Million Gone In 2024, Orion Engineering lost $47 million to a single fraudulent wire transfer. The attacker didn't hack a firewall or exploit a zero-day. They compromised a vendor's email account, inserted themselves into an ongoing invoice thread, and changed the

Carl B. Johnson Jan 19, 2020 7 min read
Spear Phishing

What Is Spear Phishing? The Targeted Attack Behind Major Breaches

A Single Email Cost This Company $100 Million In 2015, Ubiquiti Networks disclosed that threat actors used spear phishing emails to impersonate executives and trick finance employees into wiring $46.7 million to overseas accounts. They eventually recovered some of it, but the damage was done. That wasn't

Carl B. Johnson Jan 19, 2020 7 min read
Whaling Attack

Whaling Attack Cybersecurity: How CEOs Get Hooked

A Single Email Cost This Company $46.7 Million In 2015, Ubiquiti Networks disclosed that threat actors impersonated senior executives and tricked employees into wiring $46.7 million to overseas accounts. The attackers didn't exploit a software vulnerability. They didn't deploy ransomware. They sent emails — carefully

Carl B. Johnson Jan 19, 2020 8 min read