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Availability Blind Spots

The availability you think you have, and the availability you actually have. Every article here is a risk that did not look like a risk: an outage you scheduled yourself, a login you do not own, a single architect, and a priority list where everything is critical.

  1. Availability & Resilience
    Planned Outages are Still Outages

    Customers don't care whether an outage was planned. Why routine maintenance windows quietly cap your real availability far below the 99.9%+ your team thinks it's hitting, and why the fix is zero-downtime deployment, not a bigger excuse.

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  2. Security & Risk Availability & Resilience
    The Hidden Risks of "Sign In with Google"

    "Sign In with Google" is convenient, but it turns your Google account into a single point of failure — locked out of Google means locked out of everything linked to it. Why password managers and passkeys give the same one-click convenience without the coupling.

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  3. Availability & Resilience The Architect's Role
    The Single-Architect Availability Problem

    Reliability engineering asks what happens when a component becomes unavailable. Most organizations never ask that about the person who holds all the architectural context — and the six-week test to find out if you have that single point of failure.

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  4. Availability & Resilience The Architect's Role
    When Everything Is Critical, Nothing Is

    Reliability isn't only a technical property, it's an ownership property. Two decisions sit underneath every reliable system, what actually matters and who is accountable for keeping it up, and most organizations have made neither.

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