Japan FSA Cybersecurity Guidelines for Financial Institutions JP-FSA-CYB-Security-Monitoring-SOC-Operations-SIEM-EDR-MDR-XDR-24x7-Detection-Alert-Triage: Japan FSA Cybersecurity Security Monitoring + SOC 24x7 Operations + SIEM + EDR + MDR + XDR + Detection + Alert Triage + Threat Hunting + Incident Response Integration + Threat Intelligence Integration + UEBA

Continuous security monitoring + 24x7 SOC operations are expected per FSA Cybersecurity Guidelines particularly for Tier 2/3 institutions. (1) SOC Operating Models: (a) Internal SOC - dedicated team + tooling; (b) Hybrid SOC - internal + MSSP Managed Security Service Provider; (c) Outsourced SOC - MSSP managed; (d) MDR Managed Detection and Response - emerging; (e) XDR Extended Detection and Response platforms; (f) Cloud SOC integration; (g) Follow-the-Sun for 24x7 coverage; (h) SOC analyst tiers - L1 triage + L2 investigation + L3 threat hunting + L4 incident response. (2) SIEM Security Information and Event Management: (a) Log aggregation + normalisation + correlation; (b) Major SIEM vendors - Splunk + IBM QRadar + Microsoft Sentinel + Elastic Security + Exabeam + Sumo Logic; (c) Cloud-native SIEM - AWS Security Hub + Google Chronicle + Azure Sentinel; (d) Use Case Library + Detection Rules; (e) MITRE ATT and CK alignment; (f) Custom detection development; (g) Log retention typically 1-7 years for financial; (h) SIEM as central audit trail. (3) EDR Endpoint Detection and Response: (a) CrowdStrike Falcon + SentinelOne + Microsoft Defender for Endpoint + Carbon Black + Sophos Intercept X; (b) Behavioural detection + machine learning; (c) Process tree + parent-child analysis; (d) Threat hunting capabilities; (e) Remote isolation + containment; (f) IOC Indicator of Compromise tracking; (g) Memory forensics; (h) Mac + Linux + Windows + Server + Workstation coverage. (4) Network Detection and Response (NDR): (a) Darktrace + ExtraHop + Vectra + Corelight; (b) Lateral movement detection; (c) Encrypted traffic analysis; (d) DNS + HTTP/S anomaly detection; (e) Command and Control detection; (f) Data exfiltration detection; (g) IoT + OT visibility. (5) XDR Extended Detection and Response: (a) Cross-Domain correlation (endpoint + network + cloud + identity); (b) Single Pane of Glass for SOC; (c) Vendor XDR platforms - CrowdStrike + Palo Alto Cortex + Trend Micro Vision One + Microsoft + Sophos; (d) Open XDR architectures; (e) Automated response orchestration. (6) UEBA User and Entity Behaviour Analytics: (a) Baseline normal user behaviour; (b) Anomaly detection (unusual login + access + data access); (c) Privileged user monitoring; (d) Insider threat detection; (e) Compromised account detection; (f) Behaviour-based risk scoring. (7) SOAR Security Orchestration Automation and Response: (a) Palo Alto Cortex XSOAR + Splunk SOAR + Microsoft Sentinel SOAR; (b) Playbook automation; (c) Case management; (d) Integration with ticketing + ITSM; (e) Threat intel enrichment; (f) Automated response (with human approval for high-impact). (8) Threat Intelligence Integration: (a) Strategic threat intel (sector-specific + executive); (b) Tactical threat intel (TTPs + IOCs); (c) Operational threat intel (campaign-specific); (d) FS-ISAC Japan + JPCERT/CC + FISC sharing; (e) Commercial TI - Mandiant + Recorded Future + CrowdStrike + Microsoft + Anomaly + ThreatConnect; (f) STIX 2.1 + TAXII 2.1 sharing standards; (g) MISP open source platform; (h) Indicators of Compromise (IOCs) + Indicators of Attack (IoAs). (9) Detection Use Cases (Financial-Specific): (a) ATM jackpotting; (b) Wire transfer fraud; (c) Account takeover (ATO); (d) Card-not-present fraud; (e) Insider trading + market abuse; (f) Mule account detection; (g) AML transaction monitoring intersection; (h) Crypto exchange wallet attacks; (i) Mobile banking malware; (j) Customer phishing campaigns. (10) Threat Hunting: (a) Hypothesis-driven hunting; (b) Indicator-based hunting; (c) Tactic-based hunting (MITRE ATT and CK); (d) Anomaly-based hunting; (e) Threat Intel-driven hunting; (f) Continuous hunting program for Tier 3; (g) Hunt findings + lessons learned. (11) SOC Metrics + KPIs: (a) Mean Time to Detect (MTTD); (b) Mean Time to Respond (MTTR); (c) Alert volume + false positive rate; (d) Detection coverage (MITRE ATT and CK mapping); (e) Analyst utilisation; (f) Threat hunt findings; (g) SOC maturity progression; (h) Board cyber dashboard. (12) FSA Notification Trigger: (a) Significant cyber incident detected; (b) Customer-impacting incident; (c) Material data breach; (d) Service disruption; (e) Ransomware detected; (f) Per Banking Act Article 52-2 + FSA Inspection Manual notification thresholds. Coordinates with NIST SP 800-94 IDS/IPS + NIST SP 800-92 Log Management + MITRE ATT and CK + STIX 2.1 + TAXII 2.1 + MISP + FS-ISAC Japan + JPCERT/CC + FISC + Banking Act + FSA Inspection Manual + ISO/IEC 27035 Incident Management + ISO/IEC 27037 Digital Evidence + ENISA SOC Capability Maturity Model + Cloud Security Alliance + Splunk + IBM QRadar + Microsoft Sentinel + Elastic + CrowdStrike + SentinelOne + Carbon Black + Darktrace + Mandiant + Recorded Future. Japan FSA Cybersecurity SOC + Detection applies.