Translated from 日本語 • View original 
"I don't know which alerts really matter."
"There are too many alerts to handle everything."
"There is a risk of missing out on alerts that really need to be addressed."
If you're facing these issues, you may be experiencing "Alert Fatigue." In this article, we will analyze the causes of alert fatigue in SOC operations and explain in detail how to reduce the burden.
Top Causes of SOC Operations Alert Fatigue
There are several factors behind alert fatigue in SOC operations.
1. Too many false positives or over-detectives of alerts
False positives and noises can make it difficult to determine which incidents to really respond to.
In particular, if tools such as SIEM (Security Information and Event Management) and EDR (Endpoint Detection and Response) are not properly tuned, you will receive a large number of unnecessary alerts.
2. Incident Response Labor Shortage
The shortage of security talent is an industry-wide challenge. Responding to a large number of alerts with fewer resources is realistically challenging and results in operator exhaustion.
3. Difficulty Prioritizing Alerts
When an alert occurs, it's not easy to determine its importance instantly. Without clear standards, it is impossible to distinguish between what should be addressed and what should be ignored, increasing the burden on operators.
4. Often manual
If the incident response process relies on manual labor, alert response efficiency will be significantly reduced. Especially when the same survey is carried out manually every time, operator fatigue accumulates.
Specific Approaches to Eliminating Alert Fatigue
1. Improve alert accuracy (tuning and rule optimization)
It's important to optimize SIEM and EDR rules to reduce unnecessary alerts. For example, the following measures are effective.
- Whitelisting: Exclude known legitimate communications and processes
- Adjust alert thresholds: Avoid excessive alerts
- Leverage correlation analysis: Analyze multiple related alerts in combination rather than a single alert
2. Automatic Classification and Prioritization of Alerts
Leverage machine learning and AI to automatically categorize alert priorities so you can focus on the alerts you need to respond to. This allows you to focus on responding to critical incidents instead of spending time on less critical alerts.
3. Automate response with SOAR implementation
By implementing SOAR (Security Orchestration, Automation, and Response) tools,
- Automatic analysis of alerts
- Incident response workflows
- Automatic execution of routine responses
and greatly reduce the burden of SOC operation.
4. Develop Incident Response Guidelines
It is important to standardize the response flow and create an environment where operators can respond quickly without hesitation. For example,
- Manualization of response procedures
- Create a playbook
- Knowledge sharing for past incident response
By doing this, it is expected to improve the speed of response and reduce the burden on the operator.
5. Consider outsourcing SOC operations
If the operational burden of the SOC is too great, using an external SOC service is one option. By outsourcing,
- Available 24 hours a day, 365 days a year
- Advanced incident response by experts
- Allows you to focus your resources on other tasks
You can enjoy the benefits such as.
**Summary: Optimize SOC Operations and Break Free from Alert Fatigue! **
Alert fatigue in SOC operations is a common issue for many companies, but taking appropriate measures can significantly reduce the burden.
- Improved alert accuracy (rule tuning)
- Automate prioritization (AI-powered)
- Automatic response with SOAR
- Standardize incident response flows
- Outsourcing SOC operations
By combining these measures, SOC operations can be achieved with more efficient and less burdensome SOC operations.
If you feel the burden of SOC operation, we recommend that you consider introducing SOC services.
Colorkrew Security provides services to streamline SOC operations, including the following multi-vendor environments.
- Alert customization and filtering to reduce false positives and over-detections
- Leverage SIEM/XDR for centralized management
- High-quality log analysis by security analysts
- Multi-cloud support for Azure, AWS, and Google Cloud
- Cloud operation support including on-premises
- Compatible with a wide range of products such as WAF, IDPS, EDR, etc.
Reduce the burden on your SOC and create an environment where you can focus on more essential security operations! Please feel free to contact us first!