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What Is Zero Trust

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Zero Trust

What Is Zero Trust? A Practical Guide for 2025

The Breach That Made "Trust But Verify" Obsolete In January 2024, Microsoft disclosed that a Russian state-sponsored threat actor known as Midnight Blizzard had compromised executive email accounts — not by exploiting some exotic zero-day, but by password-spraying a legacy test tenant account that lacked multi-factor authentication. One overlooked

Carl B. Johnson Jun 12, 2025 8 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
Zero Trust

What Is Zero Trust? A Practical Guide for 2022

In May 2021, a single compromised password shut down the Colonial Pipeline and triggered fuel shortages across the eastern United States. The attackers used a legacy VPN account that had no multi-factor authentication. One credential. No additional verification. That's all it took to paralyze critical infrastructure. If you&

Carl B. Johnson Jan 15, 2022 7 min read
Zero Trust

What Is Zero Trust? A Practical Guide for 2021

The SolarWinds Hack Just Proved Your Perimeter Is an Illusion As I write this in December 2020, we're watching the SolarWinds supply chain attack unfold in real time. Threat actors — likely nation-state sponsored — compromised a trusted software update to infiltrate the U.S. Treasury, the Department of Commerce,

Carl B. Johnson Dec 12, 2020 7 min read