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Cybersecurity Best Practices

Provides actionable strategies and proven frameworks for strengthening your organization's security posture. Articles cover risk assessment, access controls, incident response planning, network segmentation, encryption standards, and policy development for businesses of all sizes.

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Phishing Prevention

How to Avoid Phishing Attacks: A 2025 Survival Guide

In May 2025, the FBI's Internet Crime Complaint Center reported that phishing and its variants remained the number-one reported cybercrime for the fifth consecutive year, with losses tied to business email compromise alone exceeding $2.9 billion annually in recent reports. I've spent over two decades

Carl B. Johnson Sep 22, 2025 7 min read
Vishing Scam Awareness

Vishing Scam Awareness: Stop Voice Phishing Attacks

In March 2025, the FBI's Internet Crime Complaint Center reported that Americans lost over $12.5 billion to cybercrime in 2023 alone — and voice-based social engineering was one of the fastest-growing attack vectors. I've personally investigated cases where a single phone call cost an organization six

Carl B. Johnson Sep 21, 2025 6 min read
Cybersecurity Best Practices

Cybersecurity Best Practices for Employees in 2025

In January 2025, a finance employee at a multinational firm joined a video call with what appeared to be their CFO and several colleagues. Every face on the screen was a deepfake. The employee transferred $25 million before anyone realized what happened. That incident — reported by CNN and confirmed by

Carl B. Johnson Aug 17, 2025 7 min read
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 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 Protection

Ransomware Protection Tips That Actually Work in 2025

The Breach That Changed a Hospital System Overnight In February 2024, Change Healthcare — a subsidiary of UnitedHealth Group — was hit by a ransomware attack that disrupted prescription processing and claims payments for weeks across the U.S. healthcare system. UnitedHealth's CEO later confirmed the company paid a $22

Carl B. Johnson Jul 15, 2025 7 min read
Data Breach Prevention

Data Breach Prevention: 9 Steps That Actually Work

In May 2024, Ticketmaster disclosed a breach that exposed personal data on over 560 million customers. The attack vector? Compromised credentials at a third-party cloud provider. No zero-day exploit. No nation-state wizardry. Just stolen login details and a lack of proper access controls. Data breach prevention doesn't start

Carl B. Johnson Jul 15, 2025 7 min read
Multi-Factor Authentication

Multi-Factor Authentication Setup: A Practical Guide

The Breach That Started With a Single Stolen Password In January 2024, a threat actor used stolen credentials to access a Snowflake customer environment — no malware, no exploit, just a username and password harvested months earlier. The fallout hit Ticketmaster and AT&T, exposing hundreds of millions of records.

Carl B. Johnson Jun 15, 2025 8 min read
Insider Threats

How to Prevent Insider Threats: A Practical Guide

In May 2022, a Yahoo research scientist named Qian Sang downloaded roughly 570,000 pages of proprietary source code to his personal devices — minutes after receiving a job offer from a competitor. Yahoo's internal systems flagged it, but only after the data had already left. That incident is

Carl B. Johnson Jun 12, 2025 7 min read