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Ransomware Prevention

Ransomware prevention content provides actionable strategies for defending against ransomware attacks before they encrypt critical data. Articles cover backup protocols, endpoint detection, network segmentation, patch management, and incident response planning tailored to ransomware scenarios.

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Security for System

Security for System Environments: A 2025 Field Guide

The Breach That Started With a Single Unpatched System In February 2024, UnitedHealth Group's subsidiary Change Healthcare suffered a ransomware attack that disrupted healthcare payment processing across the United States for weeks. The attackers gained access through a Citrix remote access portal that lacked multi-factor authentication. One system.

Carl B. Johnson Nov 06, 2025 7 min read
Home Computer Security

How Can You Protect Your Home Computer in 2025

In March 2025, the FBI's Internet Crime Complaint Center reported that Americans lost over $16 billion to cybercrime in 2024 — a staggering 33% jump from the year before. A massive chunk of those losses started with compromised home computers. Not enterprise servers. Not government networks. Regular people'

Carl B. Johnson Oct 15, 2025 7 min read
Computer Security Service

Computer Security Service: What Actually Works in 2025

The Breach That Started With a Help Desk Call In September 2023, MGM Resorts lost an estimated $100 million after a threat actor social-engineered their way through a help desk phone call. The attacker didn't need a zero-day exploit. They didn't crack an encryption algorithm. They

Carl B. Johnson Sep 27, 2025 7 min read
Computer Security Software

Computer Security Software: What Actually Stops Breaches

In March 2025, the FBI's Internet Crime Complaint Center reported that Americans lost over $16 billion to cybercrime in 2024 — the highest figure ever recorded. Every single one of those victims had some form of computer security software installed. Antivirus was running. Firewalls were configured. And yet, the

Carl B. Johnson Sep 27, 2025 7 min read
Social Engineering Attacks

Social Engineering Attacks: What Actually Works in 2025

In February 2025, a finance employee at a Hong Kong multinational wired $25 million to threat actors after a deepfake video call impersonating the company's CFO. That single incident captures the state of social engineering attacks right now: they're sophisticated, they exploit trust instead of technology,

Carl B. Johnson Sep 21, 2025 7 min read
Ransomware Prevention

How to Prevent Ransomware: A Practical 2025 Guide

In February 2024, Change Healthcare — one of the largest health payment processors in the United States — was hit by the ALPHV/BlackCat ransomware group. The attack disrupted pharmacies, hospitals, and insurance claims across the entire country for weeks. UnitedHealth Group, the parent company, eventually disclosed that the breach affected roughly

Carl B. Johnson Aug 11, 2025 6 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
Ransomware

How Ransomware Spreads: 7 Attack Vectors in 2025

In February 2024, Change Healthcare — the payment processor handling roughly one-third of all U.S. medical claims — was hit by the ALPHV/BlackCat ransomware group. The result: $872 million in direct costs reported by UnitedHealth Group, months of disrupted pharmacy operations, and the personal health data of over 100 million

Carl B. Johnson Jul 15, 2025 7 min read