Computer Security US Blog

Computer Security News and Insights

Phishing Scams

Phishing Scams: What They Cost and How to Stop Them

The FBI Says Phishing Scams Are the #1 Cybercrime — And It's Not Even Close In 2023, the FBI's Internet Crime Complaint Center (IC3) received over 298,000 complaints about phishing scams — more than any other cybercrime category. That number has topped the charts for five consecutive

Carl B. Johnson Jul 13, 2026 6 min read
DNS Spoofing

DNS Spoofing Attack: How Hackers Redirect Your Traffic

A Bank's Customers Were Logging In — Just Not to the Real Bank In 2017, attackers hijacked DNS records for a major Brazilian bank, redirecting all of its online customers to perfectly cloned phishing sites for roughly five hours. Every login, every transaction, every credential — harvested in real time.

Carl B. Johnson Jul 13, 2026 5 min read
Password Security Best Practices

Password Security Best Practices That Stop Breaches

The 10-Billion-Password Wake-Up Call In July 2024, a file called "RockYou2024" appeared on a popular hacking forum containing nearly 10 billion unique plaintext passwords compiled from decades of data breaches. It was the largest credential compilation ever leaked. Within weeks, threat actors were running those passwords against corporate

Carl B. Johnson Jul 12, 2026 5 min read
Cybersecurity for Healthcare

Cybersecurity for Healthcare Organizations: A 2026 Guide

The Hospital That Lost 133 Days to Ransomware In 2024, Change Healthcare suffered a ransomware attack that disrupted claims processing for thousands of hospitals, pharmacies, and clinics across the United States. UnitedHealth Group, its parent company, disclosed costs exceeding $870 million in the first quarter alone. Patient care was delayed.

Carl B. Johnson Jul 12, 2026 5 min read
Cybersecurity Tips

Cybersecurity Tips That Actually Stop Breaches in 2026

In 2024, the average cost of a data breach hit $4.88 million according to IBM's Cost of a Data Breach Report. That number keeps climbing. And after two decades in this field, I can tell you that most of those breaches didn't involve some sophisticated

Carl B. Johnson Jul 11, 2026 4 min read
Incident Response

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

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 threat actor impersonated an employee, gained access to internal systems, and deployed ransomware across the enterprise. The entire operation took roughly 10 minutes to

Carl B. Johnson Jul 11, 2026 5 min read
Password Manager Benefits

Password Manager Benefits That Stop 80% of Breaches

One Reused Password Cost This Company $10 Million In 2024, the Snowflake customer breach wave compromised over 165 organizations — including Ticketmaster and AT&T — because attackers used stolen credentials harvested from infostealer malware. The common thread? Employees reusing passwords across personal and corporate accounts with no password manager in

Carl B. Johnson Jul 10, 2026 5 min read
Data Breach Response Plan

Data Breach Response Plan: Build One Before You Need It

The Breach That Exposed 147 Million People — And a Broken Response When Equifax disclosed its 2017 breach, the technical failure got the headlines. But the real catastrophe was the response. Weeks of delay, a phishing-prone notification website, and executives who dumped stock before the public announcement. The company eventually paid

Carl B. Johnson Jul 09, 2026 5 min read