see https://blogs.cisco.com/security/an-open-security-ecosystem-with-shared-signals-is-the-future-of-zero-trust https://blogs.cisco.com/security/an-open-securit

see https://blogs.cisco.com/security/an-open-security-ecosystem-with-shared-signals-is-the-future-of-zero-trust https://blogs.cisco.com/security/an-open-security-ecosystem-... for some context