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Resilience Bites

Adrian Hornsby

Resilience Bites, the newsletter by Resilium Labs - Essays and newsletter issues on why engineering organizations keep having the same incidents — and what the feedback loops, organizational patterns, and tensions actually look like in practice.

Platform
Substack
PricingOnly free issuesPublishesWeekly
Issues92Founded2 years agoLast Issue7 days ago
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Latest Issues

The Invoice That Arrives After the Incident Is Over

Photo by Carl Barcelo on Unsplash

When a major outage happens, the engineering team fixes it. A week later there is a postmortem where someone reads through the timeline that everyone already lived through, a few action items get written d...

7 days ago
1

The Severity Argument You Keep Having

Photo by thisGUYshoots on Unsplash

A client of mine had been through a series of outages. At some point, one of their customers told them:

“You seem more interested in negotiating priority than fixing my problem.”

That sentence has staye...

10 days ago
3
2

When No One in the Room Has Carried the Pager

Photo by charlesdeluvio on Unsplash

When I was at AWS, one of my areas of focus in the Resilience org (the team behind AWS FIS) was bar-raising ORRs, Operational Readiness Reviews, for the services we shipped. Bar-raising is an Amazon term...

12 days ago

The MTTR Argument You Keep Having

Photo by Peter Herrmann on Unsplash

If you have spent any time in an organisation that operates software, you have probably had this conversation more than once. Someone pulls up the MTTR dashboard, the number is too high, or has not moved...

24 days ago
9
3

The Interpretation Layer

Photo by Martin Sanchez on Unsplash

On April 20, 2026, a security researcher named @weezerOSINT publicly disclosed that chat histories and source code from public projects on Lovable, the AI (vibe)coding platform, could be accessed by any...

a month ago
4

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  • Adrian Hornsby

    Helping engineering organizations break the cycle of recurring incidents | Author: Why We Still Suck at Resilience | Founder, Resilium Labs

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