Tag

Data Breach

In-depth coverage of data breach causes, consequences, and prevention tactics. These posts examine real-world breach incidents, regulatory requirements for breach notification, steps to contain and recover from breaches, and proactive measures organizations can take to reduce exposure.

posts

Ransomware Attack Prevention

Ransomware Attack Prevention: A 2025 Survival Guide

In February 2024, Change Healthcare — a company that processes roughly one-third of all U.S. medical claims — was hit by the ALPHV/BlackCat ransomware group. The fallout was staggering: $872 million in direct costs reported by UnitedHealth Group in a single quarter, pharmacies unable to process prescriptions, and the personal

Carl B. Johnson Aug 11, 2025 7 min read
Ransomware

What Is Ransomware? A Security Pro's Blunt Guide

A Single Click That Cost a Hospital $22 Million In February 2024, Change Healthcare — the payment processing backbone for thousands of U.S. hospitals and pharmacies — was hit by the ALPHV/BlackCat ransomware group. UnitedHealth Group, its parent company, confirmed paying approximately $22 million in ransom. The attack disrupted prescription

Carl B. Johnson Aug 11, 2025 7 min read
Ransomware Recovery Steps

Ransomware Recovery Steps: A Battle-Tested Playbook

The Attack That Cost a Hospital $67 Million In May 2024, Ascension Healthcare disclosed a ransomware attack that disrupted operations across 140 hospitals. Ambulances were diverted. Clinicians reverted to paper charts. The financial impact reportedly reached $1.8 billion in total losses for the fiscal year, with the cyber incident

Carl B. Johnson Aug 11, 2025 7 min read
Ransomware Examples

Ransomware Examples 2025: Real Attacks Shaping Defenses

Ransomware Isn't Slowing Down — It's Shapeshifting In February 2024, Change Healthcare suffered what became one of the most devastating ransomware attacks in U.S. history. The ALPHV/BlackCat ransomware group crippled the nation's largest health care payment processor, disrupting pharmacies, hospitals, and insurance claims

Carl B. Johnson Jul 19, 2025 7 min read
Data Breach

What Causes a Data Breach: 7 Root Causes in 2025

In May 2024, Ticketmaster confirmed a breach that exposed the personal data of over 560 million customers. The attack vector? Stolen credentials used to access a third-party cloud database. It wasn't some exotic zero-day exploit. It was a login and password that fell into the wrong hands. If

Carl B. Johnson Jul 15, 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
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
Supply Chain Attacks

Supply Chain Attack Examples That Reshaped Cybersecurity

In December 2020, cybersecurity firm FireEye disclosed that a threat actor had compromised SolarWinds' Orion software update mechanism, distributing malware to roughly 18,000 organizations — including the U.S. Treasury, the Department of Homeland Security, and Fortune 500 companies. The attackers didn't break down the front door.

Carl B. Johnson Mar 05, 2025 7 min read
Dark Web

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

Your Stolen Password Is Already For Sale Somewhere In January 2024, a dataset called "Naz.API" surfaced on dark web forums containing over 70 million unique email addresses paired with plaintext passwords. The data had been harvested from credential-stealing malware installed on everyday people's computers. If

Carl B. Johnson Feb 28, 2025 7 min read