Threat Investigation and Analysis Service with Microsoft Defender XDR

Why choose SILENT4BUSINESS? • Experts in forensic analysis and threat hunting with Microsoft XDR. • Centralized visibility across multiple domains: devices, identities, applications, cloud services, and on-premises infrastructure. • Detailed attack reconstruction: from initial intrusion to persistence. • Detection of TTPs and IoCs using KQL queries and contextual analysis. • Threat intelligence enriched with Microsoft Threat Intelligence. • Continuous improvement of detection and response policies based on real evidence. Key Service Features • Multidomain investigation: analysis of signals from endpoints, identities, email, apps, and cloud. • Reconstruction of complex attacks: visualization of the attack chain, compromised nodes, and actions taken. • Full integration with hybrid environments, covering on-premises and cloud infrastructure for unified security coverage. • Proactive threat hunting: advanced threat search using KQL and natural language assisted by Copilot. • Technical forensic analysis: tracking of processes, connections, malicious files, and attacker behavior. • Tactical and strategic visualization: dashboards with key indicators, infection paths, and trends. • Technical and executive reports: delivery of findings, root cause, recommendations, and evidence. • Ongoing optimization: periodic adjustments to rules, sensors, and automated response flows. • Specialized training: hands-on training in threat investigation, IoCs, TTPs, and use of Microsoft tools.   Who is this service for? • Organizations facing advanced or persistent threats (APT). • Companies seeking deep understanding of attacker behavior. • Cybersecurity teams needing expert support for technical and forensic analysis. • Clients operating with Microsoft Defender XDR who want to maximize their investigative capabilities. • Hybrid environments combining on-premises infrastructure and cloud services that require unified protection. Service Requirements • Active or planned Microsoft Defender XDR licensing. • Access to telemetry sources (endpoints, identities, email, cloud). • Compatible infrastructure for sensor activation and forensic queries. • Enabled hybrid environment (on-premises and cloud). • Coordination with internal security or IT personnel. Base Service Scope This service is designed to start with an optimized scope focused on detailed threat investigation and analysis, including: • 3 integrated Microsoft security data sources for correlation: o Defender for Endpoint o Defender for Identity o Defender for Office 365 • 25 Windows endpoints monitored with Microsoft Defender for Endpoint: o Windows 10/11 OS • 25 identities supervised through Microsoft Defender for Identity: o Entra ID and Active Directory • 3 policies (1 per data source): o Active investigation  1 analysis and investigation rule: • Active and configured • Support hours: 9:00 AM to 5:00 PM Compatible Microsoft Security Services • Microsoft Defender XDR – Unified platform for threat investigation, response, and visualization. • Microsoft Defender for Endpoint – Advanced device detection with automated forensic analysis. • Microsoft Defender for Identity – Detection and analysis of suspicious activity in hybrid environments, integrating on-premises Active Directory and Microsoft Entra ID. • Microsoft Defender for Office 365 – Investigation of email threats and phishing campaigns. • Microsoft Defender for Cloud Apps – Exploration of anomalous SaaS app usage and access control. • Microsoft Threat Intelligence – Enrichment with global context, active campaigns, and known threat actors. Why trust SILENT4BUSINESS with your XDR operations? Understanding how, when, and why an attack occurs is just as important as detecting it. Our team combines advanced tools, technical expertise, automation, and forensic analysis to deliver real, actionable intelligence. We turn incidents into opportunities for continuous improvement, strengthening resilience and anticipating future threats. Contact us today and enhance your investigative capabilities with an expert service powered by Microsoft Defender XDR and operated by SILENT4BUSINESS.