https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-46r2.pdf
This NIST special publication provides information on security considerations for several types of remote access solutions.
https://csrc.nist.gov/projects/cprt/catalog#/cprt/framework/version/SP_800_53_5_1_0/home?element=PE-17
NIST resource that defines requirements for implementation and assessment of security controls at alternate work sites, for example government facilities or private residence of the employees.
https://www.opm.gov/telework/
OPM resources that provides guides and information on security technologies used for telework.
https://www.cisa.gov/news-events/cybersecurity-advisories/aa20-073a
US-CERT resource that provides considerations and mitigations for implementing an effective remote work organization.