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Events & Alerts

Never Miss a Threat: Real-Time Security Alerts with Context-Aware Detection. Graylog’s Events & Alerts keep security teams ahead of threats with real-time, context-aware insights. With built-in Sigma Rule detection and Graylog Illuminate, security teams gain precise, context-rich alerts that cut through the noise. By using built-in threat intelligence and smart correlation, Graylog enables organizations to quickly detect and stop malicious activity—reducing false positives so security teams can focus on real threats, not distractions.

Graylog Events & Alerts Highlights:

Detect Threats Faster

Continuous Sigma Rule-powered monitoring identifies suspicious behavior so security teams can act before threats escalate.

Accelerate Response Times

Automated Sigma-based alerts cut delays, enabling security teams to respond instantly with the right information.

Focus on Critical Incidents

Clear, accurate alerts minimize false positives, ensuring security teams focus on urgent threats that require immediate action.

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Graylog Events & Alerts — A Closer Look

Graylog’s Events & Alerts provide granular control over threat detection and response workflows. With Illuminate and Sigma Rule integration, security teams can leverage standardized detection rules to enhance visibility and streamline incident investigation. Graylog Correlation rules refine alerts for maximum clarity. Below are the key features that make Graylog’s alerting system both powerful and intuitive:

Event Definitions: Basic Triggers & Aggregations

Create precise triggers based on individual or aggregated event conditions, ensuring that alerts are both targeted and relevant. Fine-tune detection rules to filter noise and highlight real threats. By refining thresholds and leveraging contextual data, you can eliminate false positives while enhancing visibility into genuinely suspicious activity, allowing security teams to respond with confidence and efficiency.

Event Definitions Available in: Graylog Security | Graylog Enterprise | Graylog Open — Compare Plans

*Feature capabilities vary by plan.

Correlation Engine

Link multiple event signals to detect complex attack patterns, enabling a deeper understanding of potential threats. By correlating meaningful security events, Graylog cuts through noise, correlating signals to reveal real threats. This intelligent event correlation allows security teams to spot hidden attack chains, identify anomalies in real-time, and respond proactively before threats escalate into full-blown incidents.

Correlation Engine Available in: Graylog Security | Graylog Enterprise — Compare Plans

*Feature capabilities vary by plan.

Alerting

With real-time alerts, you gain immediate awareness of critical security threats, enabling your team to take swift action before issues escalate. Customizable alerting workflows empower teams to streamline responses, ensuring incidents are handled swiftly and effectively. By integrating with existing security tools and communication channels, these alerts help eliminate delays, reduce manual effort, and ensure the right people are notified at the right time.

Alerting Available in: Graylog Security | Graylog Enterprise | Graylog Open — Compare Plans

*Feature capabilities vary by plan.

Sigma Rules

Utilize an extensive library of Graylog Sigma Rules, enriched with expert-curated content from Security Research Partners, to detect and respond to advanced threats with precision. These rules are designed to identify sophisticated attack patterns, helping your security team stay proactive rather than reactive. Stay adaptable with continuously updated detection signatures that evolve alongside emerging threats, ensuring your defenses remain robust, responsive, and always one step ahead of adversaries.

Sigma Rules Available in: Graylog Security — Compare Plans

*Feature capabilities vary by plan.

Notifications

Deliver real-time alerts across your preferred communication platforms, ensuring instant visibility and response. Automate incident workflows with enterprise script support and webhooks to drive efficiency and consistency in your security operations. Create notifications in multiple ways, including Slack, MS Teams, Discord, Enterprise Script, Email, and HTTP Post.

Notifications Available in: Graylog Security | Graylog Enterprise | Graylog Open — Compare Plans

*Feature capabilities vary by plan.

Risk-Based Scoring

Prioritize security incidents with dynamic, context-aware risk scoring that intelligently assesses the severity of each threat. By focusing resources on the most critical alerts, Graylog helps your team filter out noise, streamline investigations, and take action where it matters most. This proactive approach not only accelerates response times but also reduces potential damage, enhances threat visibility, and continuously strengthens your overall security posture against evolving cyber risks.

Risk Based Scoring Available in: Graylog Security — Compare Plans

*Feature capabilities vary by plan.

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Benefits of Events & Alerts Capabilties

Instant Threat Awareness

Real-time alerts keep security teams informed of critical threats.
Customizable workflows ensure rapid and effective incident response.

Precision Detection & Filtering

Cut through the noise with precision-tuned triggers that surface real threats.
Focus only on the most relevant security threats with optimized detection.

Advanced Correlation for Threat Insights

Link multiple event signals to detect complex attack patterns.
Reduce false positives by identifying only meaningful security correlations.

Proactive Threat Intelligence

Utilize Graylog Sigma Rules and threat intelligence content for advanced threat detection.
Stay ahead of evolving threats with continuously updated detection signatures.

Seamless & Scalable Notifications

Deliver alerts via Slack, MS Teams, Discord, Email, HTTP Post, and Enterprise Scripts.
Automate workflows with flexible integrations for efficient security operations.

Risk-Based Prioritization

Score incidents dynamically based on context and severity.
Allocate resources to the most critical threats for faster mitigation and response.

"Quick setup, real-time search and custom dashboards saved me from endless grepping. Alerts caught issues before the spiraled, and extractors simplified messy logs."

Learn More About Events & Alerts in Graylog

What are real-time security alerts, and why are they important?

Real-time security alerts provide instant threat detection, allowing security teams to respond before an attack escalates. Graylog’s security alerts use Sigma-based detection to filter out noise, ensuring only critical threats trigger responses.

How does Graylog reduce false positives in security alerts?

False positives waste security team resources. Graylog’s correlation engine and Sigma Rules refine detection by applying context-aware filtering, ensuring only genuine security threats generate alerts.

What are correlation rules in security alerts, and how do they enhance threat detection?

Correlation rules link multiple event signals to identify sophisticated attack patterns. Graylog’s Correlation Engine detects threats that might be overlooked in isolated events, improving advanced threat intelligence.

How do Sigma rules improve security alert accuracy?

Sigma Rules are expert-curated threat detection rules that standardize alerting. Graylog enhances this by continuously updating its Sigma library, ensuring organizations stay proactive against emerging cyber threats.

What are the best practices for setting up security notifications?

Use customizable alert workflows to prioritize high-risk threats.
Integrate alerts with Slack, MS Teams, Email, or Discord for instant responses.
Implement risk-based scoring to prioritize the most dangerous alerts.
Automate incident responses using Graylog’s scripting and webhook support.

Can security alerts be automated for faster incident response?

Yes. Graylog enables security alert automation by:

Triggering real-time notifications via Slack, Teams, or email.
Activating automated remediation workflows using Sigma-based logic.
Reducing manual efforts through webhooks and enterprise scripts.

What is risk-based scoring in security alerts, and how does it work?

Risk-based scoring dynamically assesses and prioritizes security threats. Graylog intelligently evaluates severity and context, ensuring security teams focus on high-risk alerts first.

How do security alerts use correlation rules to detect sophisticated attack patterns?

By linking security events, Graylog’s Correlation Engine uncovers multi-step attacks. This allows organizations to detect hidden threats in real-time before they escalate.

Can security alerts integrate with third-party tools like Slack or MS Teams?

Yes. Graylog natively integrates with Slack, MS Teams, Email, Discord, and HTTP Post. These integrations ensure security teams get instant visibility and alerts on their preferred platforms.

How can I customize security alert workflows for faster response?

Security teams can customize alert workflows by: