• Poornachander Kola

SIEM, SOAR & ServiceNow. Here’s Why - Part 1

Organizations spend a lot deploying log management or security information and events management solution with indications of ineffectiveness years surfacing after as critical breaches. In this article, rather than looking at the best SIEM solution in the market, we will interpret what constitutes an ideal SIEM deployment and how we can leverage the SIEM data with ServiceNow SecOps platform.

The SIEM needs three core capabilities—data collection, analytics, and response—to provide security monitoring and visibility to multi-cloud environments. A SIEM’s job is to take in data across your entire network (data collection), identify malicious behaviour (analytics), and alert the security and IT teams. Therefore, the aim of the SIEM is to provide visibility and information to respond before the issue escalates into a security breach. If compliance reporting is an important objective, SIEM would be able to develop dashboards to ensure compliance with security policy is being enforced.

The Benefits of a SIEM

An effectively deployed SIEM offers organizations the visibility to reduce risk across the entire network to detect both known and unknown threats. The ever-changing security landscape has forced the evolution of SIEMs). The most effective, automated solutions today include:

  • Fewer false positives

  • Accurate malware detection

  • Comprehensive analysis of all infrastructure

  • Ability to learn new threats

  • Endpoint detection

What to Look for in a SIEM Solution

A SIEM detects trillion events per day when deployed in an organization, and which is a lot of information to go through. The adaptive solutions better the chances of avoiding a full-blown public relations or financial crisis due to security breach.

Below is a list of things to look for in a SIEM solution:

The confluence of Security and Compliance

When you manage the logs in an effective manner with the SIEM tool you develop network visibility, compliance, and reliable incident response. A security practitioner with an ability to ask questions to identify Indicators of Compromise (IoCs), locate the users and systems affected, and share the final target for remediation. The end goal is to have an easy way to hunt for threats from one unified dashboard.

Alerts and Reporting with Your SIEM Tool

Once the initial deployment of SIEM is complete, alerts and reports need to configured to boost the efficiency or Returns on Investment (ROI) of the SIEM. The SIEM needs to be consistently refined to ensure that the important security events happening on your network are correctly identified. A universal pickle with SIEM tools is that they spew out too many un-prioritized alerts, that can take more time to investigate. It is, for this reason, SIEM should be continuously tuned with new and existing rules to effectively find only the relevant threat actions.

Bumping it up with SOAR

The problem in SIEM is when it requires to alert the team to verify the presence of threats. This final step is human resource-intensive in that it requires hours of repetitive tasks and this problem spawned SOAR.

SOAR (Security Orchestration, Automation, and Response) allows for human decision-making when it’s most critical to providing flexibility and additional opportunities for collaboration. This assists human and machine-led analysis, with the automation of threat detection and remediation. SOAR in addition to saving time and increase in productivity over the security operations paves the way for operating at maximum efficiency in no time.

Integrating SIEM with ServiceNow

In the current scenario in security operations, teams are dealing with a large number of alerts and data. It becomes pertinent that the security event workflows are automated to optimize productivity and performance.

The integration of SIEM with ServiceNow allows granular configurations that enable the organization to automate workflows between the two platforms. By leveraging the SIEM and the Incident Plugin found in the IT Service Automation Suite or the Service Management Suite, the response to security incidents can be built and streamlined into the operations thus reducing turnaround time.

For example, a machine is receiving malicious network traffic from a malicious domain. The malicious network traffic is captured and alert is triggered in the SIEM, the alert now is opened on ServiceNow. The security operations personnel on receiving an alert initiates a security incident response and begins the analysis of the event. The SIEM allows security personnel to leverage logs and respond to the incident because of the integration. The alert had been triggered at the time of traffic for faster response time.

Advantages of ServiceNow and SEIM integration include:

  • Reduction in resolution time of the events captured in the SIEM.

  • Alerting based on pre-defined rules

  • Timely response to events by initiating a workflow.

  • Knowledge Base

  • Pre-Configured Run Books to handle security incidents.

  • ServiceNow’s integrated Service Management, Operations Management & Risk Management platform provides a single system to complement Security Incident & Vulnerability Item tracking

& Many more….

Let us discuss more about traditional SOAR and ServiceNow SecOps offerings in the next part.

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