Requirement

ARCHITECTURE-3: Implement IT and OT Asset Security as an Element of the Cybersecurity Architecture

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MIL1 requirements
a. Logical and physical access controls are implemented to protect assets that are important to the delivery of the function, where feasible, at least in an ad hoc manner
b. Endpoint protections (such as secure configuration, security applications, and host monitoring) are implemented to protect assets that are important to the delivery of the function, where feasible, at least in an ad hoc manner

MIL2 requirements
c. The principle of least privilege (for example, limiting administrative access for users and service accounts) is enforced
d. The principle of least functionality (for example, limiting services, limiting applications, limiting ports, limiting connected devices) is enforced
e. Secure configurations are established and maintained as part of the asset deployment process where feasible
f. Security applications are required as an element of device configuration where feasible (for example, endpoint detection and response, host-based firewalls)
g. The use of removeable media is controlled (for example, limiting the use of USB devices, managing external hard drives)
h. Cybersecurity controls are implemented for all assets within the function either at the asset level or as compensating controls where asset-level controls are not feasible
i. Maintenance and capacity management activities are performed for all assets within the function
j. The physical operating environment is controlled to protect the operation of assets within the function
k. More rigorous cybersecurity controls are implemented for higher priority assets

MIL3 requirements
l. Configuration of and changes to firmware are controlled throughout the asset lifecycle
m. Controls (such as allowlists, blocklists, and configuration settings) are implemented to prevent the execution of unauthorized code

This requirement is part of the framework:  
C2M2: MIL1
Best practices
How to implement:
ARCHITECTURE-3: Implement IT and OT Asset Security as an Element of the Cybersecurity Architecture
This policy on
ARCHITECTURE-3: Implement IT and OT Asset Security as an Element of the Cybersecurity Architecture
provides a set concrete tasks you can complete to secure this topic. Follow these best practices to ensure compliance and strengthen your overall security posture.

MIL1 requirements
a. Logical and physical access controls are implemented to protect assets that are important to the delivery of the function, where feasible, at least in an ad hoc manner
b. Endpoint protections (such as secure configuration, security applications, and host monitoring) are implemented to protect assets that are important to the delivery of the function, where feasible, at least in an ad hoc manner

MIL2 requirements
c. The principle of least privilege (for example, limiting administrative access for users and service accounts) is enforced
d. The principle of least functionality (for example, limiting services, limiting applications, limiting ports, limiting connected devices) is enforced
e. Secure configurations are established and maintained as part of the asset deployment process where feasible
f. Security applications are required as an element of device configuration where feasible (for example, endpoint detection and response, host-based firewalls)
g. The use of removeable media is controlled (for example, limiting the use of USB devices, managing external hard drives)
h. Cybersecurity controls are implemented for all assets within the function either at the asset level or as compensating controls where asset-level controls are not feasible
i. Maintenance and capacity management activities are performed for all assets within the function
j. The physical operating environment is controlled to protect the operation of assets within the function
k. More rigorous cybersecurity controls are implemented for higher priority assets

MIL3 requirements
l. Configuration of and changes to firmware are controlled throughout the asset lifecycle
m. Controls (such as allowlists, blocklists, and configuration settings) are implemented to prevent the execution of unauthorized code

Read below what concrete actions you can take to improve this ->
Frameworks that include requirements for this topic:
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How to improve security around this topic

In Cyberday, requirements and controls are mapped to universal tasks. A set of tasks in the same topic create a Policy, such as this one.

Here's a list of tasks that help you improve your information and cyber security related to
ARCHITECTURE-3: Implement IT and OT Asset Security as an Element of the Cybersecurity Architecture
Task name
Priority
Task completes
Complete these tasks to increase your compliance in this policy.
Critical
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How to comply with this requirement

In Cyberday, requirements and controls are mapped to universal tasks. Each requirement is fulfilled with one or multiple tasks.

Here's a list of tasks that help you comply with the requirement
ARCHITECTURE-3: Implement IT and OT Asset Security as an Element of the Cybersecurity Architecture
of the framework  
C2M2: MIL1
Task name
Priority
Task completes
Complete these tasks to increase your compliance in this policy.
Critical
Endpoint security management system
Critical
High
Normal
Low
17
requirements
Remote work and mobile devices
Mobile device management

Endpoint security management system

This task helps you comply with the following requirements

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Framework

Sets the overall compliance standard or regulation your organization needs to follow.

Requirements

Break down the framework into specific obligations that must be met.

Tasks

Concrete actions and activities your team carries out to satisfy each requirement.

Policies

Documented rules and practices that are created and maintained as a result of completing tasks.

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Security frameworks tend to share the same core requirements - like risk management, backup, malware, personnel awareness or access management.
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