Computer Security US Blog

Computer Security News and Insights

Password Hygiene Tips

Password Hygiene Tips That Actually Stop Breaches

The Breach That Started With "Spring2024!" In early 2024, a midsize healthcare company in the Midwest lost 2.3 million patient records. The root cause wasn't a sophisticated zero-day exploit. It wasn't a nation-state threat actor. It was an employee who reused the same

Carl B. Johnson Jun 15, 2025 6 min read
Strong Password Examples

Strong Password Examples That Actually Stop Hackers

The 23 Billion Reasons Your Password Probably Isn't Good Enough In January 2024, researchers discovered a file called "RockYou2024" floating around dark web forums. It contained roughly 9.9 billion unique plaintext passwords — the largest credential dump in history at the time. By early 2025, threat

Carl B. Johnson Jun 14, 2025 7 min read
Incident Response Plan Template

Incident Response Plan Template: Build Yours in 2025

The Breach That Didn't Have to Be a Disaster In early 2024, Change Healthcare suffered a ransomware attack that disrupted pharmacy operations and claims processing across the entire U.S. healthcare system for weeks. UnitedHealth Group eventually disclosed that the breach affected roughly 100 million individuals — the largest

Carl B. Johnson Jun 14, 2025 7 min read
Incident Response

How to Respond to a Cyberattack: A Step-by-Step Guide

In May 2023, the City of Dallas got hit with Royal ransomware. Police dispatch systems went down. Court services froze. Municipal operations ground to a halt for weeks. The city ultimately spent over $8.5 million on recovery. And here's the part that stings: Dallas had cybersecurity staff

Carl B. Johnson Jun 14, 2025 7 min read
Incident Response

Cyber Incident Response Steps: A Practical 2025 Guide

The Breach That Took 277 Days to Find IBM's 2024 Cost of a Data Breach Report found the global average cost of a breach hit $4.88 million — and organizations that took longer than 200 days to identify and contain a breach paid significantly more. The average lifecycle?

Carl B. Johnson Jun 14, 2025 8 min read
Cybersecurity Incident Examples

Cybersecurity Incident Examples That Changed Everything

The Breach That Cost Change Healthcare $22 Million in Ransom In February 2024, the ransomware group ALPHV/BlackCat crippled Change Healthcare — a company that processes roughly one-third of all U.S. healthcare claims. The attack disrupted pharmacies, hospitals, and billing systems nationwide for weeks. UnitedHealth Group, Change Healthcare's

Carl B. Johnson Jun 14, 2025 7 min read
Cyber Incident Reporting

How to Report a Cyber Incident: A Step-by-Step Guide

The Breach That Nobody Reported for 72 Days In 2023, the SEC charged SolarWinds' CISO with fraud partly because the company allegedly downplayed the severity of a cyber incident and failed to disclose material risks. That case sent shockwaves through every boardroom in America. It proved something I'

Carl B. Johnson Jun 14, 2025 7 min read
Insider Threat Awareness

Insider Threat Awareness: What Your Team Isn't Telling You

The Threat Already Inside Your Firewall In January 2025, a former employee of a U.S. infrastructure firm was charged with attempting to sabotage water treatment systems — months after being terminated. His credentials were never revoked. The damage was caught, but barely. This isn't an edge case. It&

Carl B. Johnson Jun 12, 2025 7 min read
Insider Threats

Insider Threat Examples: 7 Real Cases That Cost Millions

In 2022, a former employee of Cash App's parent company, Block Inc., downloaded reports containing the personal information of 8.2 million customers — months after being terminated. The company's failure to revoke access cost them regulatory scrutiny, a class-action lawsuit, and reputational damage that no PR

Carl B. Johnson Jun 12, 2025 7 min read