SIEM System: What It Is and Why Your Business Needs It in 2025
May 9, 2025 · 9 min read · System Networks
Without SIEM, the average time to detect a security breach is 207 days. In that time, attackers have typically mapped your network, stolen credentials, exfiltrated data, and often installed ransomware triggers. SIEM is the difference between catching an intrusion in hours and finding out about it from a news article.
The Detection Gap
What SIEM Actually Does
SIEM (Security Information and Event Management) is a platform that collects, normalises, correlates, and analyses security events from across your entire infrastructure in real time. The key capabilities:
Log collection and normalisation
Collects logs from firewalls, servers, Active Directory, databases, cloud services, endpoints — everything. Normalises different log formats into a standard schema for analysis.
Correlation rules
Detects attack patterns that no single log source would reveal. Example: one failed login is normal; 50 failed logins across 30 accounts in 5 minutes is an attack. SIEM connects these events.
Real-time alerting
When a correlation rule fires, SIEM generates an alert for the security analyst. Severity levels help prioritise: critical incidents get immediate attention.
UEBA (User and Entity Behaviour Analytics)
Advanced SIEMs build behavioural baselines. If an accountant suddenly accesses 5,000 files at 3am, UEBA flags it — even without a matching signature rule.
Incident investigation
When an incident occurs, SIEM provides the full timeline: what happened, when, on which systems, by which account. Reduces investigation time from weeks to hours.
Russian SIEM Solutions (Post-2022)
| Product | Developer | FSTEC cert | Best for |
|---|---|---|---|
| MaxPatrol SIEM | Positive Technologies | ✅ Yes | Enterprise, CII objects |
| KUMA | Kaspersky | ✅ Yes | Large enterprise, GOSSOPKA integration |
| RuSIEM | RuSIEM | ✅ Yes | SMB to mid-market, cost-effective |
| KOMRAD Enterprise SIEM | InformZashita | ✅ Yes | Government, classified environments |
| Splunk (legacy) | Splunk (US) | ❌ No | Legacy deployments; replacement recommended |
| IBM QRadar (legacy) | IBM (US) | ❌ No | Legacy deployments; replacement recommended |
SIEM vs SOC: Understanding the Difference
SIEM is a tool
Software platform that collects and correlates events. It generates alerts. Without people to act on those alerts, SIEM is just an expensive log aggregator.
SOC is a team + process
Security Operations Centre — the people and processes that monitor SIEM alerts 24/7, investigate incidents, and respond. SIEM is one of the SOC's primary tools.
Does Your Company Need SIEM?
SIEM implementation and SOC-as-a-service
SIEM deployment and managed security monitoring →MaxPatrol · RuSIEM · KUMA · FSTEC certified · SOC-as-a-service from ₽89,000/month