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Computer Virus Prevention

Computer Virus Prevention: 9 Steps That Actually Work

The Virus That Cost a Hospital $65 Million In 2017, the WannaCry ransomware tore through the UK's National Health Service, locking down systems at over 80 organizations and forcing hospitals to divert ambulances. The estimated cost exceeded £92 million. The root cause? Unpatched Windows machines running a known

Carl B. Johnson Jul 06, 2026 5 min read
Cybersecurity Policy for Employees

Cybersecurity Policy for Employees: A Practical Guide

In 2023, MGM Resorts lost an estimated $100 million after a threat actor social-engineered a help desk employee with a ten-minute phone call. The attacker didn't exploit a zero-day vulnerability. They exploited a gap in employee policy — specifically, the identity verification process for password resets. A strong cybersecurity

Carl B. Johnson Jul 05, 2026 5 min read
Man in the Middle Attack

Man in the Middle Attack: How Hackers Steal Data

In January 2024, security researchers at Checkmarx uncovered a massive man in the middle attack campaign targeting the Python Package Index (PyPI), where threat actors intercepted developer credentials and injected malicious code into software supply chains. The attack went undetected for months. This wasn't some exotic nation-state operation

Carl B. Johnson Jul 05, 2026 6 min read
VPN Best Practices

VPN Best Practices: What Actually Protects You in 2026

In early 2024, Ivanti disclosed critical vulnerabilities in its Connect Secure VPN that were already being actively exploited by threat actors — including nation-state groups. CISA issued an emergency directive ordering federal agencies to disconnect affected devices within 48 hours. If that doesn't make you rethink your VPN best

Carl B. Johnson Jul 05, 2026 5 min read
Jobs Computer Security

Jobs in Computer Security: How to Break In and Move Up

700,000 Openings and Counting — Why Jobs in Computer Security Are Exploding The U.S. had roughly 700,000 unfilled cybersecurity positions in 2024, according to CyberSeek, a project supported by NIST and CompTIA. That number hasn't shrunk. If anything, the demand for jobs in computer security has

Carl B. Johnson Jul 04, 2026 5 min read
Zero Trust

What Is Zero Trust? A Practical Guide for 2026

The Breach That Made "Trust" a Dirty Word In 2020, the SolarWinds breach gave threat actors access to the internal networks of at least nine U.S. federal agencies and over 100 private companies. The attackers moved laterally for months — undetected — because once they were inside the network

Carl B. Johnson Jul 03, 2026 5 min read
CISA Cybersecurity Guidelines

CISA Cybersecurity Guidelines: What They Mean for You

The Federal Agency Most Hackers Wish You'd Never Heard Of In January 2024, CISA — the Cybersecurity and Infrastructure Security Agency — issued an emergency directive after threat actors exploited vulnerabilities in Ivanti VPN products to infiltrate multiple federal agencies. The directive gave agencies 48 hours to disconnect affected devices.

Carl B. Johnson Jul 02, 2026 5 min read
Password Manager

Why Use a Password Manager: Stop Reusing Passwords

The Breach That Started With One Reused Password In 2023, a single employee at Norton LifeLock's parent company, Gen Digital, reused a personal password across multiple accounts. Attackers used credential stuffing to compromise nearly 925,000 customer accounts. One password. Nearly a million victims. If you've

Carl B. Johnson Jul 02, 2026 5 min read