SIEM & Security Monitoring Powered by Microsoft Sentinel
Today's threat landscape never sleeps. CyberQuell delivers industry-leading SIEM & Security Monitoring with Microsoft Sentinel, combining cloud-native agility, AI-powered detection, and seamless compliance to monitor your digital estate 24/7 across cloud, hybrid, and multi-platform environments.
Sentinel go-live
Alert response SLA
SIEM monitoring
Uptime SLA
Why Microsoft Sentinel for SIEM Security Monitoring?
Microsoft Sentinel brings SIEM, threat intelligence, automation, and AI-assisted response into one cloud-native platform, giving your team clearer visibility across cloud, on-prem, and hybrid environments.
Cloud-Native SIEM
Leverage Microsoft Sentinel's modern, scalable architecture to unify security across cloud, on-prem, and hybrid environments.
AI-Driven Detection & Response
Use built-in AI, SOAR, UEBA, and threat intelligence to detect advanced threats early and accelerate response.
Reduced TCO & Simplicity
Enjoy 44% lower costs compared to legacy SIEM solutions, according to Microsoft, with dynamic data lake storage and cost-efficient resource management.
Enhanced SOC Efficiency
Empower your team with integrated tools such as Security Copilot, generative AI, playbooks, and automation for smarter and faster investigations.
What Is SIEM & Security Monitoring with Microsoft Sentinel?
Security Information and Event Management (SIEM) is more than log aggregation. It is the centralized brain of security operations. Microsoft Sentinel redefines SIEM as a cloud-native platform that ingests, analyzes, and responds to threats across your entire digital footprint.
CyberQuell helps you unlock the true potential of Microsoft Sentinel. Our experts configure and optimize Sentinel to ensure it:
- Connects seamlessly to diverse data sources including cloud, on-prem, SaaS, and network devices.
- Normalizes and stores data in a cost-effective and scalable data lake.
- Detects threats using analytics, MITRE ATT&CK mapping, threat intelligence, and custom queries.
Who Needs SIEM?
If your team needs better visibility, compliance-ready reporting, or 24/7 monitoring without building a full SOC, SIEM can become a critical security layer.
Enterprises with Complex Environments
Organizations operating across cloud, on-prem, and hybrid systems need SIEM to unify security visibility.
Compliance-Heavy Industries
Healthcare, finance, and government agencies rely on SIEM for audit-ready reporting that meets HIPAA, GDPR, and ISO standards.
Multi-Cloud Businesses
Companies running workloads on Azure, AWS, and GCP need centralized monitoring across all platforms.
Growing Teams Without In-House SIEM Expertise
CyberQuell provides managed SIEM services for businesses that want enterprise-grade monitoring without building their own SOC.
Our Approach to SIEM & Security Monitoring with Sentinel
CyberQuell configures, monitors, and maintains Microsoft Sentinel so your team can detect threats faster, reduce alert noise, and respond with confidence.
Always-On Visibility
Over 350 native connectors give full coverage of your environment. Sentinel ingests data from Microsoft 365, Azure, AWS, GCP, on-premises systems, SaaS applications, and network devices. Nothing in your environment goes unmonitored.
AI-Powered Analytics
Machine learning reduces false positives and highlights real risks. Sentinel's built-in UEBA and fusion detection correlate signals across your entire estate to surface the threats that matter, cutting alert noise so analysts spend their time on genuine incidents, not false alarms.
Threat Hunting & Notebooks
KQL, Jupyter notebooks, and Security Copilot enable proactive detection. Our analysts run hypothesis-driven hunts across historical telemetry to identify threats that automated rules haven't caught. Security Copilot accelerates triage and helps analysts move from alert to root cause faster.
Automated Response
Playbooks isolate threats and accelerate containment. When a high-fidelity alert fires, automated playbooks can revoke sessions, disable compromised accounts, and quarantine endpoints in seconds — before manual investigation even begins.
Health Monitoring
Track data connector performance with SentinelHealth tables and custom workbooks. We actively monitor data ingestion to ensure no connector goes silent and no source drops out of coverage. If a gap appears, we address it before it becomes a blind spot.
Why Choose CyberQuell for Microsoft Sentinel Services?
We don’t just deploy Sentinel. We configure it, tune it, monitor it, investigate alerts, and continuously improve it around your actual risk.
Microsoft Sentinel Expertise
Certified professionals who deploy, tune, and optimize Sentinel for your specific environment. Our team holds Microsoft Security Operations, Azure Security Engineer, and Cybersecurity Architect certifications and has deployed Sentinel across cloud-native, hybrid, and multi-cloud environments.
End-to-End Managed SIEM
From connector configuration and analytics rule tuning to 24/7 alert triage and forensic investigation. You get a fully operational SIEM without the hiring, training, or tooling overhead.
AI + Human Intelligence
Sentinel's machine learning flags anomalies. Our analysts determine what matters and why. The combination catches threats that automated-only or analyst-only approaches consistently miss.
Scalable & Cost-Efficient
Pay for ingestion, not seat licenses. As your environment grows, Sentinel scales without requiring additional headcount or infrastructure investment. CyberQuell helps you optimize ingestion to control costs without creating coverage gaps.
Proven Detection & Response Outcomes
CyberQuell brings real incident investigation experience into your Sentinel monitoring, helping detect active threats faster and reduce business impact.
Improve Your Security with CyberQuell & Microsoft Sentinel
Do not settle for reactive monitoring. Choose proactive, cloud-native SIEM with AI-powered detection and expert support.
Hear from our clients
Case Study
Multi-Phase BEC Attack | Professional Services | $150,000+ Fraud Prevented
A sophisticated threat actor maintained persistent access to a bookkeeper's Microsoft 365 mailbox for four months, survived multiple remediation attempts, and orchestrated fraudulent payment requests to multiple clients totalling over $150,000.
CyberQuell's forensic investigation uncovered session token theft and malicious Outlook rules that had survived credential resets. Full threat eradication. Zero financial loss.
Attack duration: 4 months | Fraud attempted: $150,000+ | Financial loss: £0 | Previous remediation attempts failed: Yes
Our Certifications
We pride ourselves on having a highly certified team, with each member continuously upgrading their skills to stay at the forefront of cybersecurity.
Improve Your Security with CyberQuell & Microsoft Sentinel
Do not settle for reactive monitoring. Choose proactive, cloud-native SIEM with AI-powered detection and expert support.
Frequently Asked Questions About Microsoft Sentinel Services
Get answers to common questions about SIEM & Security Monitoring by Microsoft Sentinel
Microsoft Sentinel detects threats across cloud infrastructure, on-premises systems, network devices, identity platforms, and SaaS applications by ingesting and correlating log data in real time. It identifies patterns associated with account compromise, data exfiltration, ransomware staging, lateral movement, and insider threats. With over 350 native data connectors, Sentinel covers your entire environment, not just the Microsoft stack. MITRE ATT&CK mapping means detected threats are automatically contextualized against known attacker techniques, giving analysts the information they need to act immediately.
Yes. Microsoft Sentinel supports over 350 native data connectors, and CyberQuell's team has experience integrating Sentinel with Microsoft 365, Azure, AWS, GCP, on-premises Active Directory, and major third-party platforms including Palo Alto, Okta, and Cisco. If your tools are not covered by a native connector, we use CEF, Syslog, or the REST API to pull in the data. Our onboarding process includes a full connector audit to ensure no data source is left unmonitored.
Yes, for most organizations managing their primary threat detection and response needs. Microsoft Sentinel combines SIEM, SOAR, and UEBA capabilities in a single cloud-native platform, covering log aggregation, threat detection, automated response, and compliance reporting. When deployed and tuned by CyberQuell, Sentinel runs continuous analytics, automated playbooks for high-confidence threats, and proactive threat hunting. Organizations with advanced endpoint threats may also benefit from pairing Sentinel with Microsoft Defender XDR for full extended detection coverage. CyberQuell offers both and can advise on the right configuration for your environment.
Yes. Microsoft Sentinel's consumption-based pricing makes it accessible for small and mid-sized businesses that cannot justify a fixed SIEM license. You pay for what you ingest, so coverage scales as your environment grows without a step-change in cost. CyberQuell helps SMBs configure Sentinel efficiently, filtering high-volume, low-value logs to control costs while maintaining coverage of the sources that matter. For growing teams without a dedicated security analyst, our managed service provides 24/7 monitoring and response without the cost of an in-house hire.
Detection in Sentinel happens in real time as alerts fire against ingested log data. For high-confidence, high-severity alerts, automated playbooks execute containment actions in seconds, including session revocation, account disabling, and endpoint isolation. CyberQuell analysts continuously review and triage alerts, escalating confirmed incidents and initiating forensic investigation immediately. In previous engagements, our team has completed full root cause analysis and threat eradication within hours of initial detection. Specific SLA commitments are discussed during your consultation.