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How to Prevent Viruses

Get step-by-step advice on how to prevent viruses from infecting your devices. This tag features actionable guides on safe email practices, software update routines, browser security settings, and download hygiene to minimize your exposure to viral threats.

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Computer Virus Prevention

Computer Virus Prevention: 9 Steps That Actually Work

A Single Click Cost One Hospital $28 Million In 2024, Change Healthcare — a unit of UnitedHealth Group — suffered a ransomware attack that started with compromised credentials and insufficient access controls. The fallout disrupted healthcare claims across the United States for weeks. The company paid a $22 million ransom, and total

Carl B. Johnson Jun 04, 2026 5 min read
Computer Virus Prevention

Computer Virus Prevention: 9 Steps That Actually Work

In 2023, the FBI's Internet Crime Complaint Center (IC3) received over 880,000 complaints with potential losses exceeding $12.5 billion — a 22% increase from the year before. A massive chunk of those losses traced back to malware infections that could have been stopped with basic hygiene. If

Carl B. Johnson Apr 13, 2026 4 min read
Computer Virus Prevention

Computer Virus Prevention: 9 Steps That Actually Work

A Single Click Cost One Hospital Chain $100 Million In 2024, Change Healthcare — the largest health payment processor in the United States — was hit by the ALPHV/BlackCat ransomware group. The attack disrupted pharmacy operations, delayed insurance claims, and ultimately cost UnitedHealth Group an estimated $872 million in the first

Carl B. Johnson Oct 15, 2025 7 min read
Computer Virus Prevention

Computer Virus Prevention: 9 Steps That Actually Work

The Virus That Cost a Hospital Chain $100 Million In 2017, the NotPetya malware ripped through networks worldwide. It wasn't theoretical. Nuance Communications, a major healthcare IT vendor, took a $92 million hit. Maersk, the shipping giant, lost around $300 million. Heritage Valley Health System in Pennsylvania lost

Carl B. Johnson May 13, 2024 6 min read
Computer Virus Prevention

Computer Virus Prevention: 9 Steps That Actually Work

In 2023, the FBI's Internet Crime Complaint Center received over 880,000 complaints with potential losses exceeding $12.5 billion — a 22% increase from the year prior. A massive chunk of those incidents started with something deceptively simple: a computer virus delivered through a phishing email, a malicious

Carl B. Johnson Feb 14, 2019 7 min read