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Limit Access to Resource Over Network

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Limit Access to Resource Over Network
ID M0935
NIST SP 800-53 Rev. 4 AC-3; SC-7
IEC 62443-3-3:2013 SR 5.1
IEC 62443-4-2:2019 CR 5.1


Prevent access to file shares, remote access to systems, unnecessary services. Mechanisms to limit access may include use of network concentrators, RDP gateways, etc.

Techniques Addressed by Mitigation

External Remote ServicesLimit access to remote services through centrally managed concentrators such as VPNs and other managed remote access systems.