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

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