PR.PT-4: Communications and control networks are protected. Web and e-mail filters shall be installed and used.

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Guidance
- E-mail filters should detect malicious e-mails, and filtering should be configured based on the type of
message attachments so that files of the specified types are automatically processed (e.g. deleted).
- Web-filters should notify the user if a website may contain malware and potentially preventing users
from accessing that website.

The organization shall control the information flows/data flows within its critical systems
and between interconnected systems.
Guidance
Consider the following:
- Information flow may be supported, for example, by labelling or colouring physical connectors as an
aid to manual hook-up.
- Inspection of message content may enforce information flow policy. For example, a message
containing a command to an actuator may not be permitted to flow between the control network
and any other network.
- Physical addresses (e.g., a serial port) may be implicitly or explicitly associated with labels or
attributes (e.g., hardware I/O address). Manual methods are typically static. Label or attribute policy
mechanisms may be implemented in hardware, firmware, and software that controls or has device access, such as
device drivers and communications controllers.

The organization shall manage the interface for external communication services by
establishing a traffic flow policy, protecting the confidentiality and integrity of the
information being transmitted; This includes the review and documenting of each exception
to the traffic flow policy.

See how Cyberday guides you to fulfill this requirement:
This requirement is part of the framework:  
CyberFundamentals (Belgium)
Free compliance assessment:
Best practices
How to implement:
PR.PT-4: Communications and control networks are protected. Web and e-mail filters shall be installed and used.
This policy on
PR.PT-4: Communications and control networks are protected. Web and e-mail filters shall be installed and used.
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.

Guidance
- E-mail filters should detect malicious e-mails, and filtering should be configured based on the type of
message attachments so that files of the specified types are automatically processed (e.g. deleted).
- Web-filters should notify the user if a website may contain malware and potentially preventing users
from accessing that website.

The organization shall control the information flows/data flows within its critical systems
and between interconnected systems.
Guidance
Consider the following:
- Information flow may be supported, for example, by labelling or colouring physical connectors as an
aid to manual hook-up.
- Inspection of message content may enforce information flow policy. For example, a message
containing a command to an actuator may not be permitted to flow between the control network
and any other network.
- Physical addresses (e.g., a serial port) may be implicitly or explicitly associated with labels or
attributes (e.g., hardware I/O address). Manual methods are typically static. Label or attribute policy
mechanisms may be implemented in hardware, firmware, and software that controls or has device access, such as
device drivers and communications controllers.

The organization shall manage the interface for external communication services by
establishing a traffic flow policy, protecting the confidentiality and integrity of the
information being transmitted; This includes the review and documenting of each exception
to the traffic flow policy.

Read below what concrete actions you can take to improve this ->
Frameworks that include requirements for this topic:
No items found.

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
PR.PT-4: Communications and control networks are protected. Web and e-mail filters shall be installed and used.
Task name
Priority
Task completes
Complete these tasks to increase your compliance in this policy.
Critical
No other tasks found.

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
PR.PT-4: Communications and control networks are protected. Web and e-mail filters shall be installed and used.
of the framework  
CyberFundamentals (Belgium)
Task name
Priority
Task completes
Complete these tasks to increase your compliance in this policy.
Critical
Selection and use of malware detection software on all devices
Critical
High
Normal
Low
65
requirements
Technical cyber security
Malware protection

Selection and use of malware detection software on all devices

Completing this task also progresses your compliance in all of the following frameworks and requirements. Cyberday automatically maps completed tasks to all of these current and future frameworks - so you do not have to do it again!

Choosing and using network protection systems
Critical
High
Normal
Low
40
requirements
Technical cyber security
Virtualization

Choosing and using network protection systems

Completing this task also progresses your compliance in all of the following frameworks and requirements. Cyberday automatically maps completed tasks to all of these current and future frameworks - so you do not have to do it again!

Protection of wireless connections
Critical
High
Normal
Low
17
requirements
Technical cyber security
Network security

Protection of wireless connections

Completing this task also progresses your compliance in all of the following frameworks and requirements. Cyberday automatically maps completed tasks to all of these current and future frameworks - so you do not have to do it again!

Endpoint security management system
Critical
High
Normal
Low
27
requirements
Remote work and mobile devices
Mobile device management

Endpoint security management system

Completing this task also progresses your compliance in all of the following frameworks and requirements. Cyberday automatically maps completed tasks to all of these current and future frameworks - so you do not have to do it again!

Management of filtering and monitoring systems
Critical
High
Normal
Low
32
requirements
Technical cyber security
Network security

Management of filtering and monitoring systems

Completing this task also progresses your compliance in all of the following frameworks and requirements. Cyberday automatically maps completed tasks to all of these current and future frameworks - so you do not have to do it again!

Remote connection management
Critical
High
Normal
Low
14
requirements
Technical cyber security
Network security

Remote connection management

Completing this task also progresses your compliance in all of the following frameworks and requirements. Cyberday automatically maps completed tasks to all of these current and future frameworks - so you do not have to do it again!

The ISMS component hierachy

When building an ISMS, it's important to understand the different levels of information hierarchy. Here's how Cyberday is structured.

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.

Never duplicate effort. Do it once - improve compliance across frameworks.

Reach multi-framework compliance in the simplest possible way
Security frameworks tend to share the same core requirements - like risk management, backup, malware, personnel awareness or access management.
Cyberday maps all frameworks’ requirements into shared tasks - one single plan that improves all frameworks’ compliance.
Do it once - we automatically apply it to all current and future frameworks.