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New-Scale Security Operations PlatformNew-Scale Security Operations Platform Release Notes

Known Issues

The New-Scale Security Operations Platform includes the following known issues.

Attack Surface Insights

Issue ID

Description

ENG-96572

String-type entity attribute values have a 512 character limit. Values above 512 characters are truncated.

Workaround: Ensure event and context data have the most important information in the first 512 characters.

ENG-102318

In some areas of the New-Scale Security Operations Platform, entity attribute values contain internal prefixes. These prefixes identify an entity attribute and are used internally for parsing and storage.

In some cases, you may need to know how prefixes correspond to entity attributes:

  • In Threat Center, when you search for cases or alerts with detections grouped by an entity, you must add the prefix to the entity attribute value.

    Example

    The Threat Center search with groupby_field_value: "UANbarbara.salzar@acme.com" in the query highlighted in a red rectangle.

    Prefix UAN is added to [email protected]. UAN identifies the value as a user_name.

  • In Threat Center or Search, when you view parsed event fields, entity attribute values may appear with prefixes.

    Example

    threatcenter-knownissue-ENG-102318-eventparsedfieldsvalue.png

    Prefix DHN is added to windows-vm-prod. DHN identifies the value as a host_name.

    Prefix UAN is added to localservice@acme. UAN identifies the value as a user_name.

You may also encounter internal prefixes in other areas of the platform.

Workaround: Find the corresponding prefix for an entity attribute in the following table. Prefixes starting with a U are user entity attributes. Prefixes starting with a D are device entity attributes.

Prefix

Entity Attribute

DBS

boot_status

DEV

event_id

DHN

host_name

DLU

last_logged_user

DNZ

network_zone

DOS

os

DPL

platform

DTG

tags

DUI

is_under_investigation

UAN

user_name

UBA

last_badge_access

UBC

business_criticality

UCE

current_logged_endpoint

UCO

country

UCS

context_source

UCT

city

UCX

context_id

UDN

department_number

UDP

department

UDV

division

UEM

email_address

UET

employee_type

UEV

event_id

UIA

is_active

UKB

badge_id

UKE

employee_id

UKS

user_sid

ULE

last_logged_endpoint

ULK

lockout_status

ULS

last_seen

UMA

manager

UMN

mobile_number

UNF

first_name

UNL

last_name

UNU

full_name

UPN

phone_number

UPR

last_password_reset

UTG

tags

UTI

title

UUI

is_under_investigation

UVL

is_logged_to_vpn

Automation Management

There are no known issues in Automation Management.

Cloud Collectors

Issue ID

Description

NGSCL-88723

The ChatGPT cloud collector may occasionally show duplicate events because of a technical mismatch in how the system tracks time. The collector requests data in seconds, but the source provides the data in milliseconds. Because of this difference, an event that occurs at the very end of a second might be captured in both the current and the next data update.

Context Management

There are no known issues in Context Management.

Correlation Rules

ID

Description

CRB-2368

If you enter a description containing multiple lines, Case Manager incidents created using Correlation Rules may contain \n escape sequences in the incident description because \n represents "end of line".

CRB-2767

If a sequence detects the absence of a specific field value and you use the Group by Field functionality on that field, the correlation rule incorrectly triggers on the absence of grouped fields for which the sequence doesn't query.

For example, if you use the Group by Field functionality on the host field, and the sequence queries for host:"2.2.2.2", the rule triggers on the absence of host:"2.2.2.2" but also on the absence of host:"1.1.1.1" and host:"3.3.3.3".

Dashboards

ID

Description

NGR-595

Filters applying the is in the last operator to the Approx Log Time field yield inaccurate results when the time unit is equal to our greater than hours.

As a workaround to this issue, express time lengths in seconds or minutes.

Dash-Filter-Known-Issue.png

Log Sources

There are no known issues for Log Sources.

Log Stream

There are no known issues in Log Stream.

New-Scale Platform

There are no known issues in New-Scale Platform.

Outcomes Navigator

ID

Description

NGCM-309

Outcomes Navigator doesn't properly calculate coverage for Advanced Analytics rules whose rule expressions include session-end or sequence-end events. Affected Advanced Analytics rules include:

  • A-AL-DhU-count

  • A-DNS-ABSum-A

  • A-DNS-AQCount-A

  • A-DNS-AQNXCount-A

  • A-DNS-OBSum-A

  • A-DNS-OQNXCount-A

  • A-DNS-ZBSum-A

  • A-EPA-UP-CENUM

  • A-EPA-UP-HENUM

  • A-FLDh-Count-A

  • A-FLDz-Count-A

  • A-FLSh-Count-A

  • A-HBytes-Failed-Outbound

  • A-HBytes-Failed-Outbound-IOT

  • A-HBytes-Outbound

  • A-HBytes-Outbound-IOT

  • AL-GHcount

  • AL-OHcount

  • AL-UHcount

  • AL-UHcount-L

  • AL-UHcount-M

  • AL-UHcount-S

  • A-NETFLOW-dZBytes-Inbound

  • A-NETFLOW-sH22Bytes-Outbound

  • A-NETFLOW-sH23Bytes-Outbound

  • A-NETFLOW-sH25Bytes-Outbound

  • A-NETFLOW-sH443Bytes-Outbound

  • A-NETFLOW-sH53Bytes-Outbound

  • A-NETFLOW-sH80Bytes-Outbound

  • A-NETFLOW-sHFTPBytes-Outbound

  • A-NEW-ASSET

  • A-NEW-ASSET-src

  • APP-UAgC-F

  • APP-UFL-COUNT

  • APP-UOb-Number

  • A-SEQ-UH-16-L

  • A-SEQ-UH-16-M

  • A-SEQ-UH-16-S

  • AS-PV-GSize-A

  • AS-PV-OSize-A

  • AS-PV-PCWoL

  • AS-PV-USCOUNT-A

  • AS-PV-USize-A

  • AUTH-F-COUNT

  • A-WEB-Count-A

  • A-WEB-DLP-A

  • A-WEB-GETBytes-In

  • AWS-DistinctRoleAssumptionsCount-User-A

  • AWS-PermEnumCount-User-A

  • A-ZBytes-Outbound

  • A-ZBytes-Outbound-IOT

  • B-CS-Bucket-Bytes-A

  • DB-FL-COUNT

  • DB-OPCOUNT

  • DB-OPCOUNT-NEW

  • DB-OPCOUNT-TOTAL

  • DB-URSum

  • DB-URSum-New

  • DC08d-new

  • DC14g-new

  • DC17d

  • DC17e

  • DC17f

  • DC17j

  • DC17j-new

  • DC17k

  • DC17l

  • DLP-BSum

  • DLP-GPCOUNT

  • DLP-UPCOUNT

  • DS-Count

  • DS-GCount

  • DS-UCount

  • EM-BSum

  • EM-BSum-in

  • EM-BSum-personal

  • EM-DNum

  • EM-FNum

  • EM-FNum-in

  • EM-FNum-personal

  • EM-InB-Perm-A

  • EPA-GSequenceSize-PS

  • EPA-HI-COUNT

  • EPA-OSequenceSize-PS

  • EPA-UP-CENUM

  • EPA-UP-HENUM

  • EPA-USequenceSize-PS

  • EPA-USequenceSize-WC

  • FA-GDBytes-A

  • FA-ODBytes-A

  • FA-UDBytes-A

  • FA-UFCOUNT

  • FA-UFCOUNT-DELETE

  • FA-UH-DELETE

  • FA-UR-A

  • FA-URCOUNT-A

  • FA-UWCOUNT-A

  • FDS-Count

  • FDS-GCount

  • FDS-UCount

  • GCP-DistinctOperationCount-User-A

  • GCP-StorageGetCount-User-A

  • GCP-StorageListCount-User-A

  • GCP-UnauthorizedOperationCount-User-A

  • KL-GSnCOUNT-A

  • KL-USnCOUNT-A

  • MFA-Failure-Count-A

  • PA-COUNT

  • PA-NoIT

  • Powershell-Advanced-F

  • Powershell-Invoke-Count

  • Powershell-Web-A

  • PR-BSum

  • PR-NPSum

  • RA-GHcount

  • RA-OHcount

  • RA-UHcount

  • RA-UHcount-L

  • RA-UHcount-M

  • RA-UHcount-S

  • SA-US-AA

  • SA-US-AU

  • SEQ-UH-16

  • SEQ-UH-16-L

  • SEQ-UH-16-M

  • SEQ-UH-16-S

  • SEQ-UH-17

  • SEQ-UH-18

  • SERVICE-ACCOUNT

  • UW-BSum

  • UW-FNum

  • VPN-BSum

  • WEB-GBytes-A-FS

  • WEB-GBytes-A-JS

  • WEB-GBytesSum-EWD

  • WEB-GSequenceSize-JS

  • WEB-OBytes-A-FS

  • WEB-OBytesSum-EWD

  • WEB-OSequenceSize-JS

  • WEB-RCCount

  • WEB-UBlock

  • WEB-UBytes-A-JS

  • WEB-UBytesSum-EWD

  • WEB-UBytesSum-In-FS

  • WEB-UBytesSum-In-FS-PU

  • WEB-UBytesSum-Out-FS

  • WEB-UDLP-A

  • WEB-UDLP-A-FS

  • WEB-UDLP-A-JS

  • WEB-UGETDLP-A

  • WEB-URank-DLP

  • WEB-USequenceSize

  • WEB-USequenceSize-Denied

  • WEB-USequenceSize-JS

  • WPA-UACount

Search

ID

Description

ENG-81372

Currently, the option to select a sort order when exporting search results is not available. Exported search results are unordered.

ENG-75846

When using Exabeam Query Language (EQL) in advance search mode, usage of a NOT operator without an accompanying OR or AND operator does not result in an error, despite this syntax being invalid and not officially supported.

For example, although the following EQL syntax is invalid, it is unintentionally successful: subject:"app" NOT vendor:"Exabeam"

known-issue-eql-error.png

When this issue is resolved, searches that use this invalid syntax will stop working. Therefore, it is highly recommended to always use the explicit operators: AND NOT or OR NOT

NGS-4325

Occasionally, when using advanced query language operators in Search to generate results in the Table view, the generated table is displayed with a misalignment. The header row is displayed to the left of the column data. This issue appears to be intermittent and has not been reliably reproduced for analysis and resolution.

If you encounter this table misalignment issue, and can provide consistent steps to reproduce it, please contact your Exabeam account manager.

NGS-3376

Some users are experiencing the interface freezing and becoming unresponsive if they have their “Rows per view” setting set to 100.

NGS-1104

When using Safari, the field summary initial event count is inconsistent.

Service Health and Consumption

ID

Description

CC-1350

Legacy cloud collector names are incorrectly displaying as unknown and unspecified on consumption details charts.

Example:

NGT-367.png

N/A

Service Health and Consumption dashboards are only available at this time for customers with Exabeam Security Operations Portfolio Licenses

Site Collectors

Issue ID

Description

NGSCL-1517

Site Collector installation fails on RHEL 9 because of lack of network support for TLS v1.3 more secured ciphers, without a clear warning.

NGSCL-1558

A Site Collector instance occasionally produces an uninstallation failed error and shows the status as Uninstalling.

NGSCL-2447

The search filters on the Site Collectors Overview page are case sensitive. Currently, search results are not displayed if you do not match the case with the collector instance name for the key words that you use for searching for collector instances.

NGSCL-2569

While editing a Site Collector instance, in Advanced Settings, the Timezone field after initial configuration displays the first city name of the time zone such as UTC/PST on the user interface instead of the exact city name which you selected.

NGSCL-3674

While upgrading a Site Collector instance to its latest version, the Windows Event Log agent collector pulls duplicate logs when historic log fetch is enabled.

NGSCL-3961

After upgrading a Site Collector instance from version 1.x to 2.x, the server side collectors Splunk, Oracle, MySQL, MSSQL, QRadar, and EStreamer start to fetch historical data based on an old start fetch timestamp.

Workaround – If you are using Site Collector version 1.x with the server side collectors installed, and want to upgrade to 2.x version, ensure that you update the Start Fetch Date for the Splunk collector and Iterator column initial value for Oracle, MSSQL, and MySQL collectors to the current time or to the value based on the iterator you defined. Alternatively, you can choose to wait to upgrade the Site Collector instance from 1.x to 2.x version until this issue is fixed.

Threat Center

ID

Description

ENG-97163

If you restart the Advanced Analytics Analytics Engine multiple times in rapid succession, Threat Center may create duplicate cases and alerts or split related detections across multiple cases and alerts.

When the Advanced Analytics Analytics Engine is restarted multiple times, the system tries to terminate the previous reprocessing job before starting a new one. If the previous reprocessing job isn't terminated within five retries, the system starts a new processing job, even if the previous reprocessing job wasn't terminated. When concurrent jobs reprocess the same historical data, they may conflict and cause Threat Center cases and alerts to be unexpectedly duplicated or split.

Workaround: Do not restart the Advanced Analytics Analytics Engine multiple times in rapid succession. Allow the previous reprocessing job to complete or terminate cleanly before starting another reprocessing job.

Threat Detection Management

ID

Description

ENG-105710

contextFeature analytics rules may evaluate events they are not intended to evaluate because the analytics engine doesn't process the applicableEvents field for contextFeature analytics rules.

Workaround: Use actOnCondition to filter the events that contextFeature analytics rules evaluate.