NIST Zero Trust Architecture

https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-207-draft2.pdf

Identity Defined Security Alliance

https://www.idsalliance.org

12 Threat Modelling Techniques

https://insights.sei.cmu.edu/sei_blog/2018/12/threat-modeling-12-available-methods.html

Zero Trust

https://www.ncsc.gov.uk/blog-post/zero-trust-architecture-design-principles

We the Sales Engineers

Interesting website / podcast etc. aimed specifically at sales engineers.

https://wethesalesengineers.com

OWASP Cyber Defence Matrix

https://www.owasp.org/index.php/OWASP_Cyber_Defense_Matrix

Open Source SOC Tools

https://information.rapid7.com/rs/411-NAK-970/images/building-powerful-security-arsenal.pdf