+Data Flow Enforcement – Access Control Lists (ACLs)
---+Deny Traffic by Default & Allow Traffic by Exception
---+Human Reviews
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Data Flow Enforcement – Access Control Lists (ACLs)
Description
Mechanisms exist to implement and govern Access Control Lists (ACLs) to provide data flow enforcement that explicitly restrict network traffic to only what is authorized.
Possible Solutions & Considerations
Micro-Small Business (<10 staff) / BLS Firm Size Classes 1-2
∙ Access Control Lists (ACLs)
Small Business (10-49 staff) / BLS Firm Size Classes 3-4
∙ Access Control Lists (ACLs)
Medium Business (50-249 staff) / BLS Firm Size Classes 5-6
∙ Access Control Lists (ACLs)
Large Business (250-999 staff) / BLS Firm Size Classes 7-8
∙ Access Control Lists (ACLs)
Enterprise (> 1,000 staff) / BLS Firm Size Class 9
∙ Access Control Lists (ACLs)
SCR-CMM
Level 0 Not Performed
Practices are non-existent, based on the inability to demonstrate an implemented and operational capability. A reasonable person would conclude the control is not being performed.
Level 1 Performed Informally
Network Security (NET) domain capabilities are ad hoc and inconsistent. Capability criteria associated with this control may include:
▪ Policies, standards & procedures associated with NET domain capabilities provide limited coverage due to the depth and breadth of the existing documentation.
▪ Network security-related activities are decentralized (e.g., a localized/regionalized function) and uses non-standardized methods to implement secure, resilient and compliant practices.
▪ Administrative processes enforce the use of human reviews for Access Control Lists (ACLs) and similar rulesets on a routine basis.
Level 2 Planned Tracked
Network Security (NET) capabilities are requirements-driven, but are not standardized across the entity (e.g., local/regional level consistency). Capability criteria associated with this control reasonably expect the following criteria to exist:
▪ Policies and standards associated with NET domain capabilities are formally documented and centrally-managed by the entity.
▪ Standardized Operating Procedures (SOP) associated with NET domain capabilities are documented and maintained by process owners.
▪ IT and/or cybersecurity personnel work with business stakeholders and process owners to appropriately scope and reasonably implement cybersecurity and data protection controls associated with NET domain capabilities to address applicable statutory, regulatory and/or contractual requirements for Technology Assets, Applications, Services and/or Data (TAASD).
▪ Network security-related controls are primarily administrative and preventative in nature (e.g., policies, standards and procedures & guidelines).
▪ Network security management may be a defined function (e.g., team or department) or assigned as an additional duty to existing IT and/or cybersecurity personnel.
▪ IT personnel define secure networking practices to protect the Confidentiality, Integrity, Availability and Safety (CIAS) of the organization's TAASD.
▪ Secure Baseline Configurations (SBC) enforce the principles of least privileges and least functionality for boundary protection technologies.
Level 3 Well Defined
Network Security (NET) capabilities are standardized across the entity for applicability to People, Processes, Technologies, Data and/or Facilities (PPTDF) to ensure consistency for Technology Assets, Applications, Services and/or Data (TAASD). Capability criteria associated with this control reasonably expect the following criteria to exist:
▪ Policies and standards associated with NET domain capabilities are formally documented and centrally-managed by the entity's Governance, Risk & Compliance (GRC) team, or similar function.
▪ Standardized Operating Procedures (SOP) associated with NET domain capabilities are well-documented and kept current by process owners.
▪ A network security management team, or similar function, is appropriately staffed and supported to implement and maintain NET domain capabilities.
▪ Technology is leveraged to enhance the efficiency and accuracy of network security operations (e.g., network management solution and log aggregator).
▪ The entity's Governance, Risk & Compliance (GRC) team, or similar function, works with business stakeholders and process owners to appropriately scope and reasonably implement cybersecurity and data protection controls associated with NET domain capabilities to address Minimum Compliance Requirements (MCR) (e.g., applicable statutory, regulatory and/or contractual requirements) and Discretionary Security Requirements (DSR) (e.g., entity-required controls).
▪ Secure Baseline Configurations (SBC) enforce the principles of least privileges and least functionality for boundary protection technologies.
▪ An implemented and operational capability exists to implement and govern Access Control Lists (ACLs) to provide data flow enforcement that explicitly restrict network traffic to only what is authorized.
Level 4 Quantitatively Controlled
Network Security (NET) capabilities, in addition to being standardized across the entity and centrally managed to ensure consistency across Technology Assets, Applications, Services and/or Data (TAASD), efforts are metrics driven to provide sufficient insight for decision makers to predict optimal performance, ensure continued operations and/or identify areas for improvement. Capability criteria associated with this control reasonably expect the following criteria to exist:
▪ Applicable SCR-CMM Level 3 (Well Defined) capabilities are implemented and operational.
▪ Metrics reporting includes quantitative analysis of Key Performance Indicators (KPIs).
▪ Metrics reporting includes quantitative analysis of Key Risk Indicators (KRIs).
▪ Scope of metrics, KPIs and KRIs covers organization-wide cybersecurity and data protection controls, including functions performed by third-parties.
▪ Organizational leadership maintains a formal process to objectively review and respond to metrics, KPIs and KRIs (e.g., monthly or quarterly review).
▪ Based on metrics analysis, process improvement recommendations are submitted for review and are handled in accordance with change control processes.
▪ Business and technical stakeholders are involved in reviewing and approving proposed changes to evolve capabilities.
Level 5 Continuously Improving
Network Security (NET) capabilities, in addition to being standardized across the entity and centrally managed to ensure consistency across Technology Assets, Applications, Services and/or Data (TAASD), efforts are metrics driven to provide sufficient insight for decision makers to predict optimal performance, ensure continued operations and/or identify areas for improvement. Capability criteria associated with this control reasonably expect the following criteria to exist:
▪ Applicable SCR-CMM Level 3 (Well Defined) capabilities are implemented and operational.
▪ Based on predictive analysis, process improvements are implemented according to “continuous improvement” practices that affect process changes.
▪ Stakeholders make time-sensitive decisions to support operational efficiency, which may include automated remediation actions via Artificial Intelligence (AI) or Machine Learning (ML) technologies.
1. Apžvalga
| Pavadinimas |
Standartas |
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Deny Traffic by Default & Allow Traffic by Exception
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Description
Mechanisms exist to configure firewall and router configurations to deny network traffic by default and allow network traffic by exception (e.g., deny all and permit by exception).
Possible Solutions & Considerations
Micro-Small Business (<10 staff) / BLS Firm Size Classes 1-2
∙ Secure Baseline Configurations (SBC)
∙ Access Control Lists (ACLs)
Small Business (10-49 staff) / BLS Firm Size Classes 3-4
∙ Secure Baseline Configurations (SBC)
∙ Access Control Lists (ACLs)
Medium Business (50-249 staff) / BLS Firm Size Classes 5-6
∙ Secure Baseline Configurations (SBC)
∙ Access Control Lists (ACLs)
Large Business (250-999 staff) / BLS Firm Size Classes 7-8
∙ Secure Baseline Configurations (SBC)
∙ Access Control Lists (ACLs)
Enterprise (> 1,000 staff) / BLS Firm Size Class 9
∙ Secure Baseline Configurations (SBC)
∙ Access Control Lists (ACLs)
SCR-CMM
Level 0 Not Performed
Practices are non-existent, based on the inability to demonstrate an implemented and operational capability. A reasonable person would conclude the control is not being performed.
Level 1 Performed Informally
SCR-CMM Level 1 criteria definitions are not available for this control:
▪ A reasonable person would conclude this control requires a structured process.
▪ At this level of maturity, the "ad hoc" nature of performing a capability informally would indicate the intent of the control is not met due to a lack of consistency and formality.
Level 2 Planned Tracked
Network Security (NET) capabilities are requirements-driven, but are not standardized across the entity (e.g., local/regional level consistency). Capability criteria associated with this control reasonably expect the following criteria to exist:
▪ Policies and standards associated with NET domain capabilities are formally documented and centrally-managed by the entity.
▪ Standardized Operating Procedures (SOP) associated with NET domain capabilities are documented and maintained by process owners.
▪ IT and/or cybersecurity personnel work with business stakeholders and process owners to appropriately scope and reasonably implement cybersecurity and data protection controls associated with NET domain capabilities to address applicable statutory, regulatory and/or contractual requirements for Technology Assets, Applications, Services and/or Data (TAASD).
▪ Network security-related controls are primarily administrative and preventative in nature (e.g., policies, standards and procedures & guidelines).
▪ Network security management may be a defined function (e.g., team or department) or assigned as an additional duty to existing IT and/or cybersecurity personnel.
▪ IT personnel define secure networking practices to protect the Confidentiality, Integrity, Availability and Safety (CIAS) of the organization's TAASD.
▪ Secure Baseline Configurations (SBC) enforce the principles of least privileges and least functionality for boundary protection technologies.
Level 3 Well Defined
Network Security (NET) capabilities are standardized across the entity for applicability to People, Processes, Technologies, Data and/or Facilities (PPTDF) to ensure consistency for Technology Assets, Applications, Services and/or Data (TAASD). Capability criteria associated with this control reasonably expect the following criteria to exist:
▪ Policies and standards associated with NET domain capabilities are formally documented and centrally-managed by the entity's Governance, Risk & Compliance (GRC) team, or similar function.
▪ Standardized Operating Procedures (SOP) associated with NET domain capabilities are well-documented and kept current by process owners.
▪ A network security management team, or similar function, is appropriately staffed and supported to implement and maintain NET domain capabilities.
▪ Technology is leveraged to enhance the efficiency and accuracy of network security operations (e.g., network management solution and log aggregator).
▪ The entity's Governance, Risk & Compliance (GRC) team, or similar function, works with business stakeholders and process owners to appropriately scope and reasonably implement cybersecurity and data protection controls associated with NET domain capabilities to address Minimum Compliance Requirements (MCR) (e.g., applicable statutory, regulatory and/or contractual requirements) and Discretionary Security Requirements (DSR) (e.g., entity-required controls).
▪ Secure Baseline Configurations (SBC) enforce the principles of least privileges and least functionality for boundary protection technologies.
▪ An implemented and operational capability exists to configure firewall and router configurations to deny network traffic by default and allow network traffic by exception (e.g., deny all and permit by exception).
Level 4 Quantitatively Controlled
Network Security (NET) capabilities, in addition to being standardized across the entity and centrally managed to ensure consistency across Technology Assets, Applications, Services and/or Data (TAASD), efforts are metrics driven to provide sufficient insight for decision makers to predict optimal performance, ensure continued operations and/or identify areas for improvement. Capability criteria associated with this control reasonably expect the following criteria to exist:
▪ Applicable SCR-CMM Level 3 (Well Defined) capabilities are implemented and operational.
▪ Metrics reporting includes quantitative analysis of Key Performance Indicators (KPIs).
▪ Metrics reporting includes quantitative analysis of Key Risk Indicators (KRIs).
▪ Scope of metrics, KPIs and KRIs covers organization-wide cybersecurity and data protection controls, including functions performed by third-parties.
▪ Organizational leadership maintains a formal process to objectively review and respond to metrics, KPIs and KRIs (e.g., monthly or quarterly review).
▪ Based on metrics analysis, process improvement recommendations are submitted for review and are handled in accordance with change control processes.
▪ Business and technical stakeholders are involved in reviewing and approving proposed changes to evolve capabilities.
Level 5 Continuously Improving
Network Security (NET) capabilities, in addition to being standardized across the entity and centrally managed to ensure consistency across Technology Assets, Applications, Services and/or Data (TAASD), efforts are metrics driven to provide sufficient insight for decision makers to predict optimal performance, ensure continued operations and/or identify areas for improvement. Capability criteria associated with this control reasonably expect the following criteria to exist:
▪ Applicable SCR-CMM Level 3 (Well Defined) capabilities are implemented and operational.
▪ Based on predictive analysis, process improvements are implemented according to “continuous improvement” practices that affect process changes.
▪ Stakeholders make time-sensitive decisions to support operational efficiency, which may include automated remediation actions via Artificial Intelligence (AI) or Machine Learning (ML) technologies.
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|
Human Reviews
|
Description
Mechanisms exist to enforce the use of human reviews for Access Control Lists (ACLs) and similar rulesets on a routine basis.
Possible Solutions & Considerations
Micro-Small Business (<10 staff) / BLS Firm Size Classes 1-2
∙ Human review of flagged data transfers
Small Business (10-49 staff) / BLS Firm Size Classes 3-4
∙ Policy requiring human review of sensitive data transfers
Medium Business (50-249 staff) / BLS Firm Size Classes 5-6
∙ Human review process for cross-boundary data transfers
∙ DLP alert review procedures
Large Business (250-999 staff) / BLS Firm Size Classes 7-8
∙ DLP alert triage workflow with human review
∙ Dedicated review team
Enterprise (> 1,000 staff) / BLS Firm Size Class 9
∙ Enterprise DLP with human review workflow (SOC integration)
∙ SOAR-assisted triage
∙ 24/7 human review for critical transfers
SCR-CMM
Level 0 Not Performed
Practices are non-existent, based on the inability to demonstrate an implemented and operational capability. A reasonable person would conclude the control is not being performed.
Level 1 Performed Informally
SCR-CMM Level 1 criteria definitions are not available for this control:
▪ A reasonable person would conclude this control requires a structured process.
▪ At this level of maturity, the "ad hoc" nature of performing a capability informally would indicate the intent of the control is not met due to a lack of consistency and formality.
Level 2 Planned Tracked
Network Security (NET) capabilities are requirements-driven, but are not standardized across the entity (e.g., local/regional level consistency). Capability criteria associated with this control reasonably expect the following criteria to exist:
▪ Policies and standards associated with NET domain capabilities are formally documented and centrally-managed by the entity.
▪ Standardized Operating Procedures (SOP) associated with NET domain capabilities are documented and maintained by process owners.
▪ IT and/or cybersecurity personnel work with business stakeholders and process owners to appropriately scope and reasonably implement cybersecurity and data protection controls associated with NET domain capabilities to address applicable statutory, regulatory and/or contractual requirements for Technology Assets, Applications, Services and/or Data (TAASD).
▪ Network security-related controls are primarily administrative and preventative in nature (e.g., policies, standards and procedures & guidelines).
▪ Network security management may be a defined function (e.g., team or department) or assigned as an additional duty to existing IT and/or cybersecurity personnel.
▪ IT personnel define secure networking practices to protect the Confidentiality, Integrity, Availability and Safety (CIAS) of the organization's TAASD.
▪ Secure Baseline Configurations (SBC) enforce the principles of least privileges and least functionality for boundary protection technologies.
Level 3 Well Defined
Network Security (NET) capabilities are standardized across the entity for applicability to People, Processes, Technologies, Data and/or Facilities (PPTDF) to ensure consistency for Technology Assets, Applications, Services and/or Data (TAASD). Capability criteria associated with this control reasonably expect the following criteria to exist:
▪ Policies and standards associated with NET domain capabilities are formally documented and centrally-managed by the entity's Governance, Risk & Compliance (GRC) team, or similar function.
▪ Standardized Operating Procedures (SOP) associated with NET domain capabilities are well-documented and kept current by process owners.
▪ A network security management team, or similar function, is appropriately staffed and supported to implement and maintain NET domain capabilities.
▪ Technology is leveraged to enhance the efficiency and accuracy of network security operations (e.g., network management solution and log aggregator).
▪ The entity's Governance, Risk & Compliance (GRC) team, or similar function, works with business stakeholders and process owners to appropriately scope and reasonably implement cybersecurity and data protection controls associated with NET domain capabilities to address Minimum Compliance Requirements (MCR) (e.g., applicable statutory, regulatory and/or contractual requirements) and Discretionary Security Requirements (DSR) (e.g., entity-required controls).
▪ Secure Baseline Configurations (SBC) enforce the principles of least privileges and least functionality for boundary protection technologies.
▪ An implemented and operational capability exists to enforce the use of human reviews for Access Control Lists (ACLs) and similar rulesets on a routine basis.
Level 4 Quantitatively Controlled
Network Security (NET) capabilities, in addition to being standardized across the entity and centrally managed to ensure consistency across Technology Assets, Applications, Services and/or Data (TAASD), efforts are metrics driven to provide sufficient insight for decision makers to predict optimal performance, ensure continued operations and/or identify areas for improvement. Capability criteria associated with this control reasonably expect the following criteria to exist:
▪ Applicable SCR-CMM Level 3 (Well Defined) capabilities are implemented and operational.
▪ Metrics reporting includes quantitative analysis of Key Performance Indicators (KPIs).
▪ Metrics reporting includes quantitative analysis of Key Risk Indicators (KRIs).
▪ Scope of metrics, KPIs and KRIs covers organization-wide cybersecurity and data protection controls, including functions performed by third-parties.
▪ Organizational leadership maintains a formal process to objectively review and respond to metrics, KPIs and KRIs (e.g., monthly or quarterly review).
▪ Based on metrics analysis, process improvement recommendations are submitted for review and are handled in accordance with change control processes.
▪ Business and technical stakeholders are involved in reviewing and approving proposed changes to evolve capabilities.
Level 5 Continuously Improving
Utilize SCR-CMM Level 3 or Level 4 (if available) criteria definitions:
▪ There are no defined Level 5 criteria, since it is reasonable to assume a continuously-improving process is not necessary to operationalize this control.
▪ Level 5 capabilities should be considered “world-class” where the control builds on Level 4 capabilities, but are continuously improving through Artificial Intelligence (AI) and/or Machine Learning (ML) technologies.
▪ While it may be possible to develop responsive capabilities for this control through the use of AI and/or ML technologies, the criteria would be organization-specific to define.
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1.1 Nuorodos
1.2 Nustatyti reikalavimai
1.3 Susiję teisės aktai
2. Nustatyti reikalavimai
Reikalavimai
| Šaltinis |
Reikalavimas |
3. Susiję teisės aktai
Teisės aktai
| Šaltinis |
Reguliavimas |
|
EULAW
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13 straipsnis Tinklo saugumo valdymas
13 straipsnis
Finansų sektoriaus subjektai parengia, dokumentuoja, įgyvendina ir į savo tinklo apsaugos nuo įsibrovimo ir netinkamo duomenų naudojimo priemones įtraukia tinklo saugumo valdymo politiką, procedūras, protokolus ir priemones, apimančias visus šiuos elementus:
a)
IRT sistemų ir tinklų atskyrimą ir segmentavimą atsižvelgiant į:
i)
funkcijų, kurios palaikomos tomis IRT sistemomis ir tinklais, ypatingą svarbą ar svarbumą;
ii)
klasifikaciją pagal Reglamento (ES) 2022/2554 8 straipsnio 1 dalį;
iii)
bendrą IRT turto, kuris naudojasi tomis IRT sistemomis ir tinklais, rizikos profilį;
b)
visų finansų sektoriaus subjekto tinklų ryšių ir duomenų srautų dokumentavimą;
c)
atskiro skirtojo tinklo naudojimą IRT turtui administruoti;
d)
tinklo prieigos kontrolės nustatymą ir įgyvendinimą siekiant neleisti prie finansų sektoriaus subjekto tinklo jungtis neturinčiam leidimo įrenginiui ar sistemai arba galiniam įrenginiui, neatitinkančiam finansų sektoriaus subjekto saugumo reikalavimų, ir aptikti tokio jungimosi atvejus;
e)
tinklų ryšių, vykdomų per įmonių tinklus, viešuosius tinklus, namų ūkių tinklus, trečiųjų šalių tinklus ir belaidžius tinklus, užšifravimą, ryšių protokolų užšifravimą, atsižvelgiant į patvirtinto duomenų klasifikavimo rezultatus, IRT rizikos vertinimo rezultatus ir 6 straipsnio 2 dalyje nurodytų tinklų ryšių užšifravimą;
f)
tinklų projektavimą pagal finansų sektoriaus subjekto nustatytus IRT saugumo reikalavimus, atsižvelgiant į pažangiausią praktiką, kad būtų užtikrintas tinklo konfidencialumas, vientisumas ir prieinamumas;
g)
tinklo duomenų srauto tarp vidaus tinklų ir interneto bei kitų išorės jungčių saugumo užtikrinimą;
h)
užkardos taisyklių ir ryšių filtrų nustatymo, įgyvendinimo, patvirtinimo, pakeitimo ir peržiūros vaidmenų, pareigų ir etapų nustatymą;
i)
tinklo architektūros ir tinklo saugumo projekto peržiūrų atlikimą kartą per metus, o labai mažų įmonių – reguliariais intervalais, siekiant identifikuoti galimus pažeidžiamumus;
j)
priemones potinkliams ir tinklo komponentams bei įrenginiams prireikus laikinai izoliuoti;
k)
visų tinklo komponentų saugios bazinės konfigūracijos įgyvendinimą ir tinklo bei tinklo įrenginių atsparumo didinimą pagal pardavėjo nurodymus, taikytinus standartus, apibrėžtus Reglamento (ES) Nr. 1025/2012 2 straipsnio 1 punkte, ir pažangiausią praktiką;
l)
procedūras, pagal kurias po nurodyto neaktyvumo laikotarpio sistemos ir nuotoliniai seansai apribojami, užrakinami ir nutraukiami;
m)
dėl tinklo paslaugų susitarimų:
i)
IRT ir informacijos saugumo priemonių, paslaugų lygių ir valdymo reikalavimų, taikomų visoms tinklo paslaugoms, nustatymą ir specifikacijas;
ii)
tai, ar tas paslaugas tiekia grupės vidaus IRT paslaugų teikėjas, ar IRT paslaugas teikiančios trečiosios šalys.
Taikydami h punktą, finansų sektoriaus subjektai reguliariai peržiūri užkardos taisykles ir ryšių filtrus pagal susijusių IRT sistemų klasifikaciją pagal Reglamento (ES) 2022/2554 8 straipsnio 1 dalį ir bendrą IRT turto rizikos profilį. Finansų sektoriaus subjektai tikrina IRT sistemoms, kuriomis palaikomos ypatingos svarbos arba svarbios funkcijos, taikomų užkardos taisyklių ir ryšių filtrų tinkamumą bent kas šešis mėnesius.
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Susietos užduotys
- Secure Controls Framework -
EN: GRCA includes the Secure Controls Framework® (SCF) content, © Secure Controls Framework Council, LLC, used under the Creative Commons Attribution-NoDerivatives 4.0 International Public License. SCF control numbers, names, descriptions and mappings appear exactly as published by the SCF Council – https://securecontrolsframework.com. GRCA may group or reorder SCF content for display, which does not change SCF content; the mappings are shown as links to the frameworks they name. Learn more at https://securecontrolsframework.com.
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