@shortridge@hachyderm.io
@shortridge@hachyderm.io avatar

shortridge

@shortridge@hachyderm.io

Senior Director @Fastly | author of Security Chaos Engineering: Sustaining Resilience in Software & Systems (O'Reilly)

resilience + complex systems | bringing software security out of the dark ages

&void; | daedric prince of chaos | previously @swagitda_

“In the information society, nobody thinks. We expected to banish paper, but we actually banished thought."

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danderson, to random
@danderson@hachyderm.io avatar

Framework is so cool.

"To fix power efficiency, we're shipping a new rev of our DisplayPort module..."

(me: aww, I'll have to buy a new module)

"... but if you have an older module already, click here for instructions on how to update its firmware!"

"Sadly the HDMI module did need some electrical changes in addition to firmware..."

(me: aww, oh well)

"... but if you're handy with an iron, here's the rework instructions to upgrade your v1 module!"

🤯 Amazing amount of giving a shit.

shortridge,
@shortridge@hachyderm.io avatar

@danderson @hazelweakly fun fact: I was in a total panic before my SREcon talk because

  1. my new framework laptop kept crashing randomly

  2. I needed to swap the display port module for the HDMI one and couldn’t get it out

the lovely A/V staff solved #2, which in turn solved #1… so this update is thrilling to see.

I’m otherwise super happy with the machine, too.

shortridge, to random
@shortridge@hachyderm.io avatar

The video of my talk is live: https://youtu.be/DGdtfB1eY98

It's all about how SREs can align their mental models of a system with reality to sustain software -- because SREs are a critical mechanism of adaptation in our systems.

If you're an you're probably not like, waking up thinking, "How will I be the mechanism of adaptation today?" so I wanted to provide some scaffolding around the concept in the talk.

This will be a 🧵of five key takeaways:

shortridge,
@shortridge@hachyderm.io avatar

Takeaway #1 from my talk: https://youtu.be/DGdtfB1eY98

🤸 Complex software systems require SREs to become active participants in the system to provide the sustained adaptability necessary for resilience.

Takeaway #2:

🐉 It’s impossible to anticipate all the ways a system will behave, especially as it grows in complexity and as the # of possible interactions increase. Software can steal the concept of resilience stress testing from other disciplines to better understand these interactions.

shortridge,
@shortridge@hachyderm.io avatar

Takeaway #3 from my talk on and learning from failure: https://youtu.be/DGdtfB1eY98

⛈️ experimentation – stress testing in software systems – allows you to proactively uncover the hidden effects of stressors to your system(s) in a way that lets you be proactive about addressing them.

shortridge,
@shortridge@hachyderm.io avatar

Takeaway #4 from my talk on and learning from failure https://youtu.be/DGdtfB1eY98

🌳 Adopting decision trees lets you discover and explore the ways you expect your systems to behave in response to the unexpected (and expected stressors and surprises, too), which you can use to guide your decision making for design and process refinements.

shortridge,
@shortridge@hachyderm.io avatar

I loved the opportunity to share my wisdom with such a thoughtful, engaged audience (and to meet likeminded nerds like @hazelweakly!)

I sincerely believe and engineering teams are critical for sustaining software (and ).

PS if you vibe with my talk and this thread, read my new book: https://securitychaoseng.com

shortridge, to infosec
@shortridge@hachyderm.io avatar

cybersecurity loves Sun Tzu quotes so I’m reverse uno carding with this post on why he would actually be disappointed in the industry: https://kellyshortridge.com/blog/posts/sun-tzu-wouldnt-like-the-cybersecurity-industry/

I am NOT saying we should bring Sun Tzu quotes back! I AM suggesting we “where is your god now” as much harmful folk wisdom as we can — fighting fire with fire, if fire was appeal to authority

anyway enjoy the spice xx

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