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Cybersecurity · SIEM

SIEM — central visibility of security events across the whole organization

SIEM collects logs from the entire infrastructure — firewall, EDR, servers, applications — and correlates them in real time. It detects threats invisible to individual systems. It delivers compliance evidence for audits.

Ask about SIEM → Service scope
Event correlationin real time
Threat detectionUEBA and rules
ComplianceNIS2, ISO 27001

What we deploy

SIEM feature scope

SIEM is the central repository of security events and a threat detection platform — the foundation of any Security Operations Center.

Log collection and normalization

Log aggregation from firewalls, EDR, servers, applications, IAM systems, and network devices. Normalization to a common format (CEF, LEEF, JSON). Secure log storage with integrity guarantees — evidence for audits.

Event correlation and detection rules

Correlation rules link events from different systems into a single incident. Example: 5 failed logins (AD) + success from unknown IP + data transfer (firewall) = account takeover alert. Thousands of built-in rules plus the ability to create your own.

UEBA — behavior analysis

User and Entity Behavior Analytics — detecting anomalies in user and system behavior. A baseline of normal activity and alerts on deviations — 3 AM logins, access to rarely used resources, mass data downloads.

Compliance and reporting

Out-of-the-box reports for NIS2, ISO 27001, GDPR, KNF, SOX. Proof that you monitor access to sensitive data, log events, and respond to incidents. Automatic weekly and monthly reports for management.

Threat Intelligence

Integration with Threat Intelligence feeds — botnet IP addresses, C2 domains, malicious hashes. Automatic correlation of network traffic with IoCs (Indicators of Compromise). MITRE ATT&CK mapping.

SOC and SOAR integration

Integration with SOAR platforms for response automation — IP blocking, endpoint isolation, password reset. Ticketing (Jira, ServiceNow). Alert escalation to the SOC team or an external MDR.

Certified partners

Technology partners

Energy Logserver

Energy Logserver

A Polish SIEM and log management platform. Full support for Polish and European regulations, no cloud sovereignty issues. An alternative to Splunk.

Wazuh

Wazuh

An open SIEM/XDR platform — agent-based log collection, threat detection, FIM, compliance. Active community, low deployment cost.

SIEM without proper configuration is a false alarm generator

Deploying SIEM is 20% technology and 80% knowledge of what's normal in your network.

Built-in correlation rules in SIEM generate hundreds of alerts daily — most of them false. SIEM's value emerges after tuning rules for a specific environment. We help deploy a SIEM that alerts on real threats, not noise.

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FAQ

SIEM questions

EDR protects endpoints and provides device telemetry. NDR analyzes network traffic. SIEM collects data from EDR, NDR, firewall, AD, and all other systems — and correlates them into a single incident with full context. SIEM doesn't replace EDR or NDR — it's an aggregation and correlation layer above them.
A 100-user environment typically generates 500–5000 events per second (EPS). A well-tuned SIEM processes and correlates this stream, presenting 5–20 real alerts per day. Without filtering and correlation — an analyst would be drowning in thousands of events.
NIS2 requires implementation of incident monitoring and response measures — SIEM is the standard tool meeting these requirements. It directly addresses Article 21 NIS2 requirements on risk management, detection, and incident reporting. SIEM also makes ISO 27001 and DORA compliance easier.
NIS2 and ISO 27001 don't define a specific retention period, but at least 12 months is recommended. For regulated sectors (finance, healthcare) — often 3–5 years. Privileged-access logs — at least 2 years. Log integrity matters — immutability gives them value as evidence.