Design dual-stack segmentation without two different trust models
A dual-stack segmentation design starts with one service and trust contract, then proves that IPv4, IPv6 and transition paths enforce it with known failure behavior.
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The guest Wi-Fi name does not prove guest isolation
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Cerebro: A Read-Only Security Intelligence Layer Built Around Evidence
Why I built Cerebro, how its read-only architecture limits authority, and what its current platform, investigation, threat, risk, GEOINT, and operational integrations can do.
Break-Glass Access That Does Not Quietly Become Normal Access
A practical design for emergency access that remains independent, time-bounded, observable, testable, and difficult to normalize into an ordinary administration path.