C5 (Germany)
C5: Communication Security

C5 (Germany) C5-COS-04: Cross-network access

Control every network perimeter with security gateways, and grant cross-network system access only on the basis of a security assessment that reflects the requirements of the cloud customers concerned.

Maintained by Gerard BlokdykVerified against the published standard Control text last updated

What else in your programme already covers this

This control maps to 61 controls across 22 other frameworks. If you already hold one of them, the evidence you collected for it is the starting point here rather than new work.

FedRAMP High · 5 controls

  • AC-17 Remote Access
  • AC-4 Information Flow Enforcement
  • SC-7 Boundary Protection
  • SC-7(4) External Telecommunications Services
  • SC-7(5) Deny by Default Allow by Exception

FedRAMP Moderate · 5 controls

  • AC-17 Remote Access
  • AC-4 Information Flow Enforcement
  • SC-7 Boundary Protection
  • SC-7(4) External Telecommunications Services
  • SC-7(5) Deny by Default Allow by Exception
  • ANSSI-HYG-19 Segment the Network and Partition the Zones
  • ANSSI-HYG-22 Put in Place a Secure Internet Access Gateway
  • ANSSI-HYG-23 Partition Internet Facing Services from the Rest of the Information System
  • ANSSI-HYG-25 Secure Dedicated Network Interconnections with Partners

CIS Controls v8 · 4 controls

  • CIS-12.7 Ensure Remote Devices Utilize a VPN and are Connecting to an Enterprise’s AAA Infrastructure
  • CIS-13.4 Perform Traffic Filtering Between Network Segments
  • CIS-13.5 Manage Access Control for Remote Assets
  • CIS-6.4 Require MFA for Remote Network Access

CMMC 2.0 · 4 controls

NIST SP 800-53 Rev 5 · 4 controls

PCI DSS 4.0 · 4 controls

  • 1.3.1 1.3.1 Inbound CDE traffic restricted
  • 1.3.2 1.3.2 Outbound CDE traffic restricted
  • 1.4.2 1.4.2 Restricting traffic entering trusted networks from outside
  • 8.4.3 8.4.3 MFA for remote access that could reach CDE
  • ASBv3-NS-9 Connect on-premises or cloud network privately
  • NS-2 Secure cloud services with network controls
  • NS-3 Deploy firewall at the edge of enterprise network

ISO 27001:2022 · 3 controls

  • 6.7 Remote working
  • 8.20 Networks security
  • 8.22 Segregation of networks

ISO 27002:2022 · 3 controls

  • 6.7 Remote working
  • 8.20 Networks security
  • 8.21 Security of network services

NIST SP 800-161 Rev 1 · 3 controls

NIST SP 800-171 Rev 3 · 3 controls

  • 03.01.12 Remote Access
  • 03.13.01 Boundary Protection
  • 03.13.06 Network Communications - Deny by Default - Allow by Exception

UK Cyber Essentials · 3 controls

  • CE-FW.1 Boundary Firewalls Deployed
  • CE-FW.4 Approve and Document Inbound Rules
  • CE-FW.5 Remove or Disable Unused Rules
  • ASD37-08 Deny direct internet connectivity (Excellent)
  • ASD37-22 Network segmentation (Excellent)
  • AUCDR-IS-2 Secure the network and systems within the data environment

ISO 27701:2019 · 1 control

  • 6.6.1 Business requirements of access control

NIS2 Directive · 1 control

  • Art.21.2.g Basic cyber hygiene practices and cybersecurity training
  • NIST-CSF-PR.IR-01 Networks and environments are protected from unauthorized logical access and usage

NIST SP 800-172 · 1 control

  • 3.1.3e Employ Secure Information Transfer Solutions

SOC 2 · 1 control

  • SOC2-CC6.6 CC6.6 Protection against threats from outside the system boundary

Every mapping shown was judged rather than inferred from wording similarity, and the ones that failed review are published too. See the coverage reports and what was rejected.

Other controls in C5: Communication Security

You are reading one control. How much of C5 (Germany) have you already done?

C5 (Germany) C5-COS-04 is one control. If you already hold one of the frameworks below, a reviewed crosswalk already says how much of C5 (Germany) your existing evidence covers. Hold Cloud Security Alliance Cloud Controls Matrix (CCM) v4.0.1 and 95 of 121 C5 (Germany) controls already carry evidence.

Each report names every control your existing framework evidences, every one it does not, the reasoning behind each claim, and the claims that were argued against and rejected. 0 were rejected on the Cloud Security Alliance Cloud Controls Matrix (CCM) v4.0.1 pair alone.

Query this from an agent

The graph holds this control, the 61 it maps to, and the evidence behind each claim, over MCP and REST.