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Types of Malware

Explore detailed breakdowns of different malware categories including viruses, worms, trojans, ransomware, rootkits, adware, and spyware. Each article explains how specific malware types function, their attack vectors, real-world examples, and the unique risks they pose to systems and data.

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Types of Malware

Types of Malware: What's Actually Hitting Networks in 2021

Colonial Pipeline Was Just the Beginning In May 2021, a single compromised password shut down the largest fuel pipeline in the United States. Colonial Pipeline paid DarkSide operators $4.4 million in ransom. Fuel shortages rippled across the Southeast for days. That attack used just one of the many types

Carl B. Johnson Sep 16, 2021 7 min read
Types of Malware

Types of Malware: What Actually Hits Networks in 2026

A Single Click Cost One Hospital Chain $100 Million In 2024, Change Healthcare was hit by the ALPHV/BlackCat ransomware group. The attack disrupted insurance claims processing for thousands of healthcare providers across the United States. UnitedHealth Group eventually disclosed costs exceeding $870 million related to the incident. The entry

Carl B. Johnson May 08, 2020 7 min read
Types of Malware

Types of Malware: What Every Organization Must Know

In 2023, the FBI's Internet Crime Complaint Center received over 880,000 complaints with potential losses exceeding $12.5 billion — and malware was the engine behind a staggering number of those incidents. I've worked incident response cases where a single malware infection spiraled into a multi-million-dollar

Carl B. Johnson Jul 20, 2019 6 min read