Commit 064ead3a authored by Santeri Toikka's avatar Santeri Toikka
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Added SIEM requirements to logging

parent 852f5f1c
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+18 −8
Original line number Diff line number Diff line
@@ -676,6 +676,10 @@ Unwanted traffic in the interfaces can cause a denial of service from the manage
-   **[LOG-2]** The write only log or tracing storage is deployed outside of the system deployment context.
-   **[LOG-3]** NMS emits SIEM events from relevant changes.
-   **[LOG-4]** SIEM transfer format, field attributes and event descriptions are available as part of the technical documentation.
-   **[LOG-5]** All system clocks are monitored.
-   **[LOG-6]** Deviation in clock consistency is reported forward as a SIEM event.

Manfacturer shall implement logging system features listed in the table below.

| Name                  | [EXP-L-0]     | [EXP-L-1]   |
| --------------------- | ------------- | ----------- |
@@ -685,14 +689,20 @@ Unwanted traffic in the interfaces can cause a denial of service from the manage
| [LOG-2]               | Not required  | Required    |
| [LOG-3]               | Not required  | Required    |
| [LOG-4]               | Not required  | Required    |
| [LOG-5]               | Not required  | Required    |
| [LOG-6]               | Not required  | Required    |

| Requirement | Assesment                                                                                |
| ----------- | ------------------------------------------------------------------------------------- |
| ----------- | ---------------------------------------------------------------------------------------- |
| [LOG-0]     | All system clocks are synchronized to a NTP server or similar.                           |
| [LOG-1]     | From the process, it is impossible to overwrite the log output.                       |
| [LOG-1]     | From the running process, it is impossible to overwrite the stored log output.           |
| [LOG-2]     | Technical documentation specifies how to integrate into an external logging system.      |
| [LOG-3]     | Detailed information of all emitted events is available.                                 |
| [LOG-4]     | National MSAs are able to validate the system design comformity without a deployment.    |
| [LOG-5a]    | All system clocks, including the managed elements, are being tracked.                    |
| [LOG-5b]    | System clock deviation is available as a metric.                                         |
| [LOG-6a]    | SIEM event for anomalities in clock accuracy is included in the technical documentation. |
| [LOG-6b]    | SIEM event is emitted when clock anomalies occur.                                        |

# 6 Security Profiles