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Zero Trust Security Model

Explains the Zero Trust Security Model, which operates on the principle of never trust, always verify. Posts cover implementing zero trust frameworks, continuous authentication, least-privilege access, network segmentation, and how organizations transition from legacy perimeter-based defenses to zero trust architectures.

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Zero Trust Security Model

Zero Trust Security Model: Why Perimeter Defense Is Dead

In July 2020, Twitter disclosed that attackers had compromised 130 high-profile accounts — including Barack Obama, Elon Musk, and Apple — by socially engineering their way past internal employees. The attackers didn't breach a firewall. They didn't exploit a zero-day vulnerability. They simply convinced insiders to hand over

Carl B. Johnson Dec 12, 2020 7 min read
Zero Trust Security Model

Zero Trust Security Model: A Practical Guide for 2026

The Breach That Proved Perimeters Don't Work In 2020, the SolarWinds breach gave roughly 18,000 organizations a brutal lesson: once a threat actor gets past your perimeter, they can move laterally for months without detection. Government agencies, Fortune 500 companies, and critical infrastructure providers all had firewalls.

Carl B. Johnson Oct 01, 2019 7 min read