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TISAX: Information security
5.2.4: Log management and analysis

Requirement description

Objective: Event logs support the traceability of events in case of a security incident. This requires that events necessary to determine the causes are recorded and stored. In addition, the logging and analysis of activities in accordance with applicable legislation (e.g. Data Protection or Works Constitution Act) is required to determine which user account has made changes to IT systems.

Requirements (must): Information security requirements regarding the handling of event logs are determined and fulfilled.
Security-relevant requirements regarding the logging of activities of system administrators and users are determined and fulfilled.
The IT systems used are assessed regarding the necessity of logging.
When using external IT services, information on the monitoring options is obtained and considered in the assessment.
Event logs are checked regularly for rule violations and noticeable problems in compliance with the permissible legal and organizational provisions.

Requirements (should): A procedure for the escalation of relevant events to the responsible body (e.g. security incident report, data protection, corporate security, IT security) is defined and established.
Event logs (contents and meta data) are protected against alteration. (e.g. by a dedicated environment).
Adequate monitoring and recording of any actions on the network that are relevant to information security are established.

How to fill the requirement

TISAX: Information security

5.2.4: Log management and analysis

Task name
Priority
Status
Theme
Policy
Other requirements
Documentation of system logs for self-maintained data systems
Critical
High
Normal
Low
Fully done
Mostly done
Partly done
Not done
Technical cyber security
Security systems and logging
28
requirements

Examples of other requirements this task affects

12.4.1: Event logging
ISO 27001
12.4.2: Protection of log information
ISO 27001
I10: Turvallisuuteen liittyvien tapahtumien jäljitettävyys
Katakri
6.6.1: Tietoturvan ja tietosuojan seuranta ja valvonta
Omavalvontasuunnitelma
PR.PT-1: Audit/log records
NIST
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Documentation of system logs for self-maintained data systems
1. Task description

The development of system logs must keep pace with the development of the system and enable, for example, the necessary resolution of incidents. In connection with the data system list, we describe for which systems we are responsible for the implementation of the logging. For these systems, we document:

  • which data is saved on the log
  • how long log data is retained
Measures for the storage of incoming information, information being processed and outgoing information
Critical
High
Normal
Low
Fully done
Mostly done
Partly done
Not done
Management of data sets
Management of data sets
5
requirements

Examples of other requirements this task affects

PI1.5: Procedures for storing inputs, items in processing, and outputs in accordance with system spefications
SOC 2
3.4: Tietoturvallinen arkistointi ja tuhoaminen
TiHL tietoturvavaatimukset
5.2.4: Log management and analysis
TISAX
ID.AM-3: Organizational communication and data flows are mapped.
CyberFundamentals
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Measures for the storage of incoming information, information being processed and outgoing information
1. Task description

The organization must have measures and operating methods for the safe storage of incoming information, information being processed and outgoing information. Storage should take into account:

  • Protection of data to be stored
  • Archiving of system logs
  • Entire data to be stored
  • Maintenance of a log of data storage procedures< /li>

All stored information must be protected against theft, modification and destruction or any other event that affects their confidentiality, integrity or availability.

Data system log review
Critical
High
Normal
Low
Fully done
Mostly done
Partly done
Not done
Technical cyber security
Security systems and logging
30
requirements

Examples of other requirements this task affects

12.4.1: Event logging
ISO 27001
12.4.3: Administrator and operator logs
ISO 27001
I10: Turvallisuuteen liittyvien tapahtumien jäljitettävyys
Katakri
PR.PT-1: Audit/log records
NIST
DE.CM-7: Monitoring for unauthorized activity
NIST
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Data system log review
1. Task description

The organization must be aware of the logs that accrue from the use of different data systems, whether generating the logs is the responsibility of the organization or the system provider. Logs record user actions as well as anomalies, errors, and security incidents.

The adequacy of log should be reviewed regularly. If necessary, log should be usable to determine the root causes for system incidents.

Deployment and regular analysis of security system logs
Critical
High
Normal
Low
Fully done
Mostly done
Partly done
Not done
Technical cyber security
Security systems and logging
26
requirements

Examples of other requirements this task affects

9.1.2: Access to networks and network services
ISO 27001
12.4.1: Event logging
ISO 27001
PR.PT-1: Audit/log records
NIST
RS.AN-1: Notifications from detection systems
NIST
8.15: Logging
ISO 27001
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Deployment and regular analysis of security system logs
1. Task description

Security systems (e.g. firewall, malware protection) often have the ability to record a log of events. At regular intervals, make sure that a comprehensive log is accumulated and try to identify suspicious activity. The log is also useful in investigating disturbances or violations.

Review process for event logs
Critical
High
Normal
Low
Fully done
Mostly done
Partly done
Not done
Technical cyber security
Security systems and logging
1
requirements

Examples of other requirements this task affects

5.2.4: Log management and analysis
TISAX
See all related requirements and other information from tasks own page.
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Review process for event logs
1. Task description

The organization must have a procedure for reviewing event logs for rule violations and other noticeable problems with in compliance with legal and organizational provisions.

The organization should also protect the integrity of the event logs (e.g. by separate environment).

Automatic log data analyzation
Critical
High
Normal
Low
Fully done
Mostly done
Partly done
Not done
Technical cyber security
Security systems and logging
29
requirements

Examples of other requirements this task affects

12.4.1: Event logging
ISO 27001
6.6.1: Tietoturvan ja tietosuojan seuranta ja valvonta
Omavalvontasuunnitelma
DE.CM-3: Personnel activity
NIST
TEK-13.1: Poikkeamien havainnointikyky ja toipuminen - poikkeamien havainnointi lokitiedoista
Julkri
8.15: Logging
ISO 27001
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Automatic log data analyzation
1. Task description

System logs often contain a wealth of information, much of which is irrelevant to security monitoring. In order to identify events relevant to security monitoring, consideration should be given to automatically copying appropriate message types to another log or to using appropriate utilities or audit tools to review and resolve files.

Tasks included in the policy

Task name
Priority
Status
Theme
Policy
Other requirements
No items found.

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