Functional Use Cases

Use cases for a Continuous Assurance Security System (CASS)

1. Real-Time Threat Detection and Response

Use Case ID: UC-001
Description: The system continuously monitors traffic across 5G and WiFi networks to detect and respond to threats in real time.
Actors: Security Analysts, Network Administrators
Preconditions: The system is integrated with both 5G and WiFi networks and has access to traffic data.
Flow:

1. Monitor network traffic for anomalies.
2. Detect potential threats using machine learning and heuristic analysis.
3. Generate real-time alerts for detected threats.
4. Automatically apply mitigation actions (e.g., isolate affected devices, block malicious IPs).
5. Notify security analysts with detailed threat reports. Postconditions: Threats are detected and mitigated in real-time, reducing potential damage.

2. Unified Security Policy Management

Use Case ID: UC-002
Description: The system enforces unified security policies across both 5G and WiFi networks.
Actors: IT Managers, Security Officers
Preconditions: Security policies are defined and configured in the CASS.
Flow:

1. Define security policies applicable to both 5G and WiFi networks.
2. Apply policies across network types, ensuring consistency.
3. Monitor policy enforcement and compliance.
4. Provide real-time alerts for policy violations.
5. Generate compliance reports for audits. Postconditions: Consistent security policy enforcement across multiple network types.

3. Device Authentication and Authorization

Use Case ID: UC-003
Description: Ensure secure device authentication and authorization across 5G and WiFi networks.
Actors: Network Users, IT Security Personnel
Preconditions: Devices are configured to connect to both 5G and WiFi networks.
Flow:

1. Authenticate devices connecting to the network using secure methods (e.g., certificates, tokens).
2. Authorize devices based on predefined policies.
3. Continuously monitor device behavior for compliance with security policies.
4. Revoke access for non-compliant or compromised devices. Postconditions: Secure and compliant access for authorized devices only.

4. Anomaly Detection and User Behavior Analytics

Use Case ID: UC-004
Description: The system uses analytics to detect anomalous user behavior across 5G and WiFi networks.
Actors: Security Analysts, IT Administrators
Preconditions: User behavior data is collected and analyzed in real time.
Flow:

1. Collect and analyze user behavior data from both 5G and WiFi networks.
2. Establish a baseline of normal user behavior.
3. Detect deviations from the baseline indicating potential security incidents.
4. Generate alerts for anomalous behavior.
5. Investigate and respond to potential security incidents. Postconditions: Anomalous user behavior is detected and addressed promptly.

5. Secure Data Transmission

Use Case ID: UC-005
Description: Ensure secure transmission of data across both 5G and WiFi networks.
Actors: Network Users, IT Security Personnel
Preconditions: Encryption mechanisms are configured for data transmission.
Flow:

1. Encrypt data before transmission over the network.
2. Ensure data integrity and confidentiality during transmission.
3. Monitor and detect any attempts to intercept or tamper with data.
4. Provide alerts for any detected security breaches in data transmission. Postconditions: Secure and confidential data transmission across network types.

6. Network Segmentation and Isolation

Use Case ID: UC-006
Description: Implement network segmentation and isolation to protect critical assets across 5G and WiFi networks.
Actors: Network Engineers, Security Analysts
Preconditions: Network segments are defined, and critical assets are identified.
Flow:

1. Define network segments for different types of traffic and devices.
2. Implement isolation policies to restrict access between segments.
3. Monitor traffic between segments to detect unauthorized access attempts.
4. Automatically isolate compromised segments to contain threats. Postconditions: Enhanced security through network segmentation and isolation.

7. Compliance Monitoring and Reporting

Use Case ID: UC-007
Description: Monitor compliance with regulatory requirements and generate reports across both 5G and WiFi networks.
Actors: Compliance Officers, IT Managers
Preconditions: Regulatory requirements are defined and mapped to security policies.
Flow:

1. Define compliance requirements within the CASS.
2. Continuously monitor network activities for compliance.
3. Generate real-time alerts for non-compliance incidents.
4. Produce compliance reports for regulatory audits.
5. Review and update compliance policies as needed. Postconditions: Continuous compliance monitoring and timely reporting for regulatory audits.

8. Incident Response and Forensics

Use Case ID: UC-008
Description: The system provides tools for incident response and forensic analysis across 5G and WiFi networks.
Actors: Incident Response Teams, Forensic Analysts
Preconditions: Incident response procedures are defined and configured in the CASS.
Flow:

1. Detect security incidents in real time.
2. Initiate incident response procedures automatically or manually.
3. Collect and preserve forensic evidence for analysis.
4. Analyze the root cause and impact of the incident.
5. Implement remediation actions and update security policies. Postconditions: Effective incident response and comprehensive forensic analysis capabilities.

9. User Access and Identity Management

Use Case ID: UC-009
Description: Manage user access and identity across both 5G and WiFi networks.
Actors: Network Users, IT Security Personnel
Preconditions: User identities and access policies are defined within the CASS.
Flow:

1. Authenticate user identities using secure methods (e.g., MFA, biometrics).
2. Authorize user access based on roles and policies.
3. Continuously monitor user access for anomalies and policy compliance.
4. Revoke or adjust access as needed based on real-time analysis. Postconditions: Secure and compliant user access across network types.

10. IoT Device Management

Use Case ID: UC-010
Description: Manage IoT device security across both 5G and WiFi networks.
Actors: IoT Device Administrators, Security Analysts
Preconditions: IoT devices are connected to the network and registered within the CASS.
Flow:

1. Onboard IoT devices with secure provisioning.
2. Monitor IoT device activity and behavior for anomalies.
3. Apply security policies specific to IoT devices.
4. Detect and respond to IoT-specific threats in real-time.
5. Maintain an inventory of IoT devices and their security status. Postconditions: Secure management and monitoring of IoT devices across network types.