Collecting up Validator Security Resources

I’m interested in learning more about best practices in validator security, and would like to use this thread to source existing content on the topic.

Here are a few relevant conversations from the forum:

This looks like the best roundup up of info from different validators about their infrastructure and ops:

Here are some other good conversations:





Some nice guides I found elsewhere:

https://bubowerks.io/blog/2018/08/27/risk-treatments-for-cosmos-hub-tendermint-validator-risks/

https://bubowerks.io/blog/2018/08/03/risk-assessment-of-cosmos-tendermint-validators/

I’m curious what resources others have found useful, even if they may not be specific to Cosmos, or even POS validation in particular.

Is there any form of content/guidelines missing that validators are looking for?

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We have 1 on setting HSM policies if that counts: http://bit.ly/HSMpolicies