Tag

Zero Trust

Understand the Zero Trust security model, which operates on the principle of never trust, always verify. Posts cover Zero Trust architecture, identity verification, micro-segmentation, least-privilege access, and practical steps for implementing Zero Trust frameworks across enterprise environments.

posts

VPN Best Practices

VPN Best Practices: 9 Rules That Actually Stop Breaches

In May 2024, Check Point disclosed that threat actors were actively exploiting a zero-day vulnerability in its VPN products — CVE-2024-24919 — to harvest Active Directory credentials and move laterally through enterprise networks. Attackers didn't need a sophisticated exploit chain. They needed one VPN gateway running a default configuration with

Carl B. Johnson May 25, 2025 7 min read
NIST Cybersecurity Framework

NIST Cybersecurity Framework: A Practical Guide for 2025

The Framework Nobody Reads — Until After the Breach In February 2024, Change Healthcare suffered a ransomware attack that disrupted pharmacy operations across the United States for weeks. UnitedHealth Group eventually disclosed that the breach affected roughly 100 million individuals — making it one of the largest healthcare data breaches in history.

Carl B. Johnson May 10, 2025 7 min read
Securing Cloud Applications

Securing Cloud Applications: A Practical 2025 Guide

The Snowflake Breach Changed How I Think About Cloud Risk In mid-2024, threat actors compromised over 165 organizations by exploiting stolen credentials against Snowflake cloud accounts that lacked multi-factor authentication. Ticketmaster, AT&T, Santander — massive names, massive data losses. The root cause wasn't some exotic zero-day. It

Carl B. Johnson Apr 22, 2025 7 min read
SaaS Security Best Practices

SaaS Security Best Practices: A 2025 Field Guide

In January 2025, the Cybersecurity and Infrastructure Security Agency (CISA) issued an emergency directive after threat actors exploited misconfigured SaaS environments across multiple federal agencies. The attackers didn't need sophisticated zero-day exploits. They walked in through overprivileged service accounts, dormant API tokens, and single-factor authentication — problems that every

Carl B. Johnson Apr 22, 2025 7 min read
Vendor Risk Management

Vendor Risk Management Cybersecurity: A Practical Guide

The Breach That Didn't Start With You In February 2024, Change Healthcare — a subsidiary of UnitedHealth Group — suffered a ransomware attack that disrupted healthcare payment processing across the entire United States for weeks. The threat actor didn't breach UnitedHealth directly. They compromised a vendor system that

Carl B. Johnson Feb 28, 2025 8 min read
Insider Threats

How to Prevent Insider Threats: A Practical Guide

In January 2023, a former Tesla employee leaked the personal information of over 75,000 people — names, Social Security numbers, financial records — to a foreign news outlet. Tesla confirmed the breach wasn't caused by a sophisticated threat actor or a zero-day exploit. It was an insider. If you&

Carl B. Johnson Dec 09, 2023 7 min read
Zero Trust

What Is Zero Trust? A Practical Guide for 2024

In January 2023, T-Mobile disclosed that a threat actor had been siphoning data from 37 million customer accounts since November 2022 — through a single exploited API. The attacker moved laterally for weeks without triggering alarms. If you've ever wondered what is zero trust and why the entire industry

Carl B. Johnson Dec 09, 2023 7 min read
Work From Home Cybersecurity

Work From Home Cybersecurity: A Practical Defense Guide

Your Remote Workforce Is Your Largest Attack Surface In March 2023, the FBI's Internet Crime Complaint Center (IC3) reported that losses from cybercrime exceeded $10.3 billion in 2022 — a 49% increase from the year before. A massive chunk of those losses traced back to compromised remote workers.

Carl B. Johnson Nov 26, 2023 7 min read