A.5.6 Organizational
Contact with special interest groups
Structured attributes from ISO/IEC 27002:2022 — control type · CIA properties · cybersecurity concept · operational capability · security domain. What do these mean?
The implementation guidance for this control is published in
ISO/IEC 27002:2022
and is not reproduced here. The structured attributes and the cross-walk
rationales below are derived facts and our own AI-authored analysis.
Mapped NIST 800-53 r5 controls (11)
Our AI-authored reading (authority llm_unverified, under review) of how this ISO control and each NIST 800-53 control relate. Not an ISO or NIST product.
Direction: ← other covers this;
→ this covers other (F/M/P = full / mostly /
partial). gov = governs / implements (a mandate, not coverage).
Why these map — AI rationale (under review)
- SI-5mostlyaligns with — Both controls establish external channels for receiving timely security alerts, advisories, and vulnerability information to keep organizational awareness current.
- AT-2partialaligns with — Membership in special interest groups serves as an ongoing source of current security knowledge that directly supports the organization's security awareness and literacy objectives.
- IR-4partialaligns with — The liaison points and incident-related information exchange enabled by special interest groups provide external coordination resources that support incident handling activities.
- PM-15partialaligns with — Both controls recognize the value of organizational participation in security groups and associations to enhance collective knowledge and information sharing.
- SI-5partialcovers — A.5.6's focus on external special-interest-group contacts for security information flow addresses only the receive/generate/disseminate slice of SI-5; it does not address internal generation, directive implementation timelines, or notification of non-compliance.
- PM-15implements — PM-15 is the direct operationalization of the exact requirement stated in A.5.6
Aligned NIST CSF 2.0 outcomes (14)
NIST CSF 2.0 outcomes this ISO control aligns with — our AI-authored analysis (authority llm_unverified, under review).
Direction: ← other covers this;
→ this covers other (F/M/P = full / mostly /
partial). gov = governs / implements (a mandate, not coverage).
Why these map — AI rationale (under review)
- DE.AE-07mostlyaligns with — By integrating contextual information and specialist advice obtained through special interest group membership, the ISO control helps embed external threat intelligence into adverse-event analysis processes.
- ID.RA-02mostlyaligns with — The ISO control's emphasis on receiving early warnings, alerts, and advisories from special interest groups directly supports the CSF outcome of receiving cyber threat intelligence from external information-sharing sources.
- GV.SC-09partialaligns with — The ISO control's focus on sharing threat and vulnerability information with trusted external forums supports the CSF outcome of integrating supply-chain security practices into broader risk-management programs.
- ID.IM-01partialaligns with — Participation in special interest groups provides external evaluations and best-practice insights that the organization can use to identify needed improvements in its security program.
- DE.AE-07implements — Assessed as NOT holding by the authoring instrument at v1.22-2026-08-29. This row records a tested non-relation; it is not a graded claim and carries no rationale, because the instrument produced none when the verb did not hold.
- GV.SC-09implements — Assessed as NOT holding by the authoring instrument at v1.22-2026-08-29. This row records a tested non-relation; it is not a graded claim and carries no rationale, because the instrument produced none when the verb did not hold.
- ID.IM-01implements — Assessed as NOT holding by the authoring instrument at v1.22-2026-08-29. This row records a tested non-relation; it is not a graded claim and carries no rationale, because the instrument produced none when the verb did not hold.
- ID.RA-02implements — A.5.6 directly operationalizes the receipt of cyber threat intelligence by mandating participation in information-sharing forums and sources that supply it
Related weaknesses / CWE (4)
Weakness classes this ISO control helps prevent or mitigate — our AI-authored analysis (authority llm_unverified, under review).
Direction: ← other covers this;
→ this covers other (F/M/P = full / mostly /
partial). gov = governs / implements (a mandate, not coverage).
Why these map — AI rationale (under review)
- CWE-1104nonemitigates — Regular exposure to external advisories and vulnerability disclosures helps teams identify and replace unmaintained third-party components before attackers can exploit known weaknesses in them.
- CWE-327prevents — Access to current specialist guidance and early vulnerability alerts enables timely replacement of broken or risky cryptographic algorithms with stronger alternatives.
- CWE-79prevents — Knowledge exchange on emerging attack techniques and patches reduces the likelihood that cross-site scripting flaws remain unaddressed in deployed applications.
- CWE-89prevents — Early warnings and shared best-practice information help organizations apply the latest remediation techniques against SQL-injection vulnerabilities.
Mitigated MITRE ATT&CK techniques (124)
Adversary techniques (MITRE ATT&CK Enterprise) this ISO control helps mitigate; links open attack.mitre.org. Our AI-authored analysis (authority llm_unverified, under review).
Direction: ← other covers this;
→ this covers other (F/M/P = full / mostly /
partial). gov = governs / implements (a mandate, not coverage).
T1001.003←MT1006←FT1027.001←MT1027.002←MT1027.006←MT1027.007←MT1027.008←MT1027.010←MT1027.014←MT1027.016←MT1027.018←MT1036←MT1036.003←MT1036.005←MT1036.008←MT1036.009←MT1036.012←MT1055←MT1055.001←MT1055.002←MT1055.003←MT1055.004←MT1055.005←MT1055.008←MT1055.009←MT1055.011←MT1055.012←MT1055.013←MT1055.014←MT1055.015←MT1070.006←MT1071.004←MT1078←PT1102.002←MT1110.001→MT1110.004→PT1127←MT1134←MT1134.004←MT1134.005←MT1137.001→PT1137.004→PT1189→PT1195.001→PT1202←MT1203→PT1204→PT1205.001→PT1207←MT1211←MT1218←MT1218.005←MT1218.007←MT1218.008←MT1218.010←MT1218.011←MT1218.013←MT1221←MT1222.002←MT1480.001←MT1484←MT1484.002←MT1535←MT1537←MT1539←FT1542←MT1542.002←MT1550←MT1550.001←MT1550.002←FT1550.003←FT1550.004←FT1553.001←FT1553.002←PT1553.003←MT1553.004←MT1553.005←MT1556←MT1556.009←MT1564←PT1564.001←MT1564.004←MT1566→PT1566.002→PT1566.003←MT1566.004→PT1568←MT1568.002←MT1571←MT1572←MT1574←MT1574.001←MT1574.004←MT1574.013←MT1578.001←MT1578.002←MT1578.003←MT1578.004←MT1588.005→PT1598.001→PT1598.002→PT1598.003→PT1599←MT1599.001←PT1601.002←PT1606.001←MT1610←PT1612←PT1620←MT1621←MT1647←PT1666←MT1684→PT1685←MT1685.001←MT1685.002←MT1687←MT1688←M
Why these map — AI rationale (under review)
- T1110.001prevents — A.5.6's explicit purpose and guidance (c, d, e) to obtain early warnings of attacks/vulnerabilities, advisories, patches, and specialist advice on threats directly informs and enables timely deployment of account-lockout, complexity enforcement, and rate-limiting that stop password guessing from succeeding, matching the A.8.5 anchor's 'prevents' mostly grading on the same technique.
- T1110.004prevents — membership in special interest groups provides early warnings of breaches, advisories, and patches that can inform policy, training, or credential-reset actions to stop reuse of dumped passwords before credential stuffing succeeds
- T1137.001prevents — A.5.6's early warnings, advisories, patches, best practices and specialist advice on new threats/vulnerabilities can inform defenders to block or harden against Office template macro persistence (e.g. via policy, trusted locations, or macro controls), but this is indirect governance that does not itself stop the technique from running.
- T1137.004prevents — membership in special interest groups provides early warnings, advisories, and shared threat intel that can inform configuration hardening or policy to block legacy Outlook Home Page abuse before it is introduced, but does not itself stop the technique from being available or used
- T1189prevents — Membership in special interest groups provides early warnings, advisories, patches, and threat intel that can let an organization patch vulnerable browsers/plugins or block known watering-hole domains before users visit them, but this is only one slice of the multi-vector technique (compromised legitimate sites, malvertising, XSS, push-notification abuse, zero-days) and does not stop the technique from running.
- T1195.001prevents — membership in special interest groups provides early warnings, advisories, patches, and threat intel that can lead to proactive dependency vetting and patching before compromise occurs, but does not stop adversaries from manipulating the packages themselves
- T1203prevents — membership in special interest groups provides early warnings, advisories, patches, and threat intel that can be actioned to patch or avoid vulnerable client apps before exploitation occurs, but this is an indirect governance channel that does not itself stop the technique
- T1204prevents — membership in special interest groups provides early warnings, advisories, best practices and specialist advice that can be used to update defenses, user training and processes, thereby preventing some (but not all) social-engineering vectors that trigger user execution
- T1205.001detects — A.5.6's liaison with special interest groups enables early receipt of alerts, advisories, and threat information that can surface port-knocking TTPs after they are known and shared, but the control itself performs no detection and reaches only the subset of instances already known to the groups.
- T1566prevents — Membership in special interest groups provides early warnings, advisories, best practices and threat intel that can inform defenses (e.g. updated email filters, user training content, or blocking known phishing indicators), thereby preventing some but not most instances of the technique.
- T1566responds — A.5.6 provides liaison points and information-sharing channels specifically for dealing with information security incidents (explicitly referencing 5.24-5.28), which aligns with the incident-response act of `responds` once phishing is underway; the remainder is that it does not itself contain, eradicate, or act on the phishing event.
- T1566.002responds — A.5.6 explicitly lists providing liaison points when dealing with information security incidents (cross-referenced to 5.24-5.28) as one purpose, which matches the `responds` verb for an incident already underway; the match is only partial because most of the control's text is about knowledge-sharing, alerts, and best practices rather than active incident response.
- T1566.004prevents — A.5.6's early warnings, advisories, best-practice knowledge, and incident liaison points can inform defenses that stop vishing from succeeding (e.g., user training on voice impersonation or MFA prompts), but this is indirect governance that does not itself block the social-engineering technique from running.
- T1588.005prevents — membership and liaison in special interest groups provides early warnings, advisories, patches, and shared threat intel that can be actioned to patch or block many (but not all) exploits before adversaries can buy/steal/download and weaponize them
- T1598.001prevents — membership and liaison with special interest groups provides early warnings, advisories, best practices and specialist advice that can reduce the likelihood an organization or its staff fall for spearphishing lures, but does not stop the technique from being executed against them
- T1598.002prevents — membership in special interest groups provides early warnings, advisories, best practices and threat intel that can inform defenses (e.g., awareness programs, email filtering rules, or training on recognizing attachment-based lures), thereby preventing some but not all instances of this PRE social-engineering technique
- T1598.003prevents — membership in special interest groups provides early warnings, advisories, best-practice knowledge and specialist advice that can inform defensive configurations, user training and processes that reduce the success rate of spearphishing links, but does not stop the adversary technique itself from being executed
- T1684prevents — Membership and information flow with special interest groups provides early warnings, advisories, best practices and specialist advice that can inform user training and awareness programs, which lowers (but does not stop) the success rate of social-engineering techniques that rely on trust, urgency or routine appearance.
Prevented OWASP Web Top 10 (2025) risks (1)
OWASP Web Top 10 (2025) risk categories this ISO control helps prevent or mitigate — our AI-authored analysis (authority llm_unverified, under review).
Direction: ← other covers this;
→ this covers other (F/M/P = full / mostly /
partial). gov = governs / implements (a mandate, not coverage).
Control IDs, short titles and the structured attribute table (control type, CIA properties, cybersecurity-concept, operational capability, security domain) are facts from ISO/IEC 27001:2022 Annex A / ISO/IEC 27002:2022. The full implementation guidance prose lives in ISO/IEC 27002:2022 — not reproduced here. Cross-walks to NIST 800-53, NIST CSF 2.0, OWASP ASVS, CWE, MITRE ATT&CK and OWASP Web Top 10 are our own AI-authored analysis (authority llm_unverified, under review), not an ISO, NIST, MITRE or OWASP product — how ours compare.