10 Free Splunk Courses to Boost Your Cybersecurity Skills

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Introduction

Splunk is a powerful SIEM (Security Information and Event Management) tool used by cybersecurity professionals for log analysis, threat detection, and incident response. Mastering Splunk can significantly enhance your SOC (Security Operations Center) capabilities. Below, we explore 10 free Splunk courses that provide hands-on training and certifications to help you advance in cybersecurity.

Learning Objectives

  • Understand Splunk’s role in SOC operations and threat hunting.
  • Learn to analyze security logs, create visualizations, and automate alerts.
  • Gain proficiency in SOAR (Security Orchestration, Automation, and Response) development.

You Should Know

1. The Art of Investigation (SOC Defense Analyst)

Course Link: https://lnkd.in/gFd8x57P

Key Command:

“`splunk search “index=security_events | stats count by src_ip“`

Step-by-Step Guide:

  • Log into Splunk and navigate to the Search & Reporting app.
  • Run the above query to count security events by source IP.
  • Use the results to identify potential malicious IPs for further investigation.

2. Data and Tools for Defense Analysts

Course Link: https://lnkd.in/gGVEYgRr

Key Command:

“`splunk search “index=firewall action=blocked | table src_ip, dest_ip, action“`

Step-by-Step Guide:

  • This query extracts blocked firewall events.
  • Export results to CSV for threat intelligence correlation.

3. SOAR Application Development

Course Link: https://lnkd.in/g_WqDjT8

Key Automation Script (Python):

import splunklib.client as client 
service = client.connect(host="localhost", port=8089, username="admin", password="password") 
jobs = service.jobs.create("search index=malware earliest=-1h | stats count")

Step-by-Step Guide:

  • Use Splunk’s Python SDK to automate threat detection searches.
  • Schedule this script to run hourly for continuous monitoring.

4. Report and Alert Scheduling

Course Link: https://lnkd.in/gJa9Bsbe

Key Command:

“`splunk add alert “High-Risk Logins” -search “index=auth failed_logins > 5” -action email“`

Step-by-Step Guide:

  • Configure this alert to trigger after multiple failed login attempts.
  • Integrate with email/SMS for real-time notifications.

5. Security Operations and Defense Analyst

Course Link: https://lnkd.in/gKWFq6pn

Key Query:

“`splunk search “index=ids signature=SQLi | top signature by src_ip“`

Step-by-Step Guide:

  • Detects SQL injection attempts from IDS logs.
  • Use `top` to rank attackers by frequency.

6. Introduction to Cybersecurity Awareness

Course Link: https://lnkd.in/gXFUYwrN

Key Command (Windows Security Log):

Get-WinEvent -FilterHashtable @{LogName='Security'; ID=4625} | Select-Object -First 10

Step-by-Step Guide:

  • Extracts Windows failed login events (Event ID 4625).
  • Pipe to Splunk for centralized monitoring.

7. Introduction to Enterprise Security

Course Link: https://lnkd.in/gDhScUjz

Key Query:

“`splunk search “index=endpoint malware= | dedup host | table host, malware“`

Step-by-Step Guide:

  • Identifies infected hosts in an enterprise network.
  • Use `dedup` to avoid duplicate entries.

8. Visualizations

Course Link: https://lnkd.in/g2GSfJGj

Key Command:

“`splunk search “index=web status_code=500 | timechart count by src_ip”“`

Step-by-Step Guide:

  • Generates a time-based chart of server errors.
  • Export as a dashboard widget for real-time tracking.

9. The Cybersecurity Landscape

Course Link: https://lnkd.in/g7TPZnHS

Key MITRE ATT&CK Query:

“`splunk search “index=syslog T1059.003= | stats count by dest_ip”“`

Step-by-Step Guide:

  • Detects PowerShell attacks (MITRE Technique T1059.003).
  • Correlate with threat intelligence feeds.

10. Understanding Threats and Attacks

Course Link: https://lnkd.in/gjzjpkbH

Key Command (Linux Log Analysis):

grep "Failed password" /var/log/auth.log | awk '{print $11}' | sort | uniq -c | sort -nr

Step-by-Step Guide:

  • Parses SSH brute-force attempts from Linux logs.
  • Import into Splunk for long-term analysis.

What Undercode Say

  • Key Takeaway 1: Splunk is essential for modern SOC teams, enabling real-time threat detection and automated response.
  • Key Takeaway 2: These free courses provide industry-recognized training, making them ideal for aspiring cybersecurity professionals.

Analysis:

With cyber threats evolving rapidly, SIEM tools like Splunk are critical for proactive defense. These courses not only teach log analysis but also automation, visualization, and threat intelligence integration—skills highly sought after in cybersecurity roles. By completing these certifications, professionals can position themselves for SOC analyst, threat hunter, or security engineer roles.

Prediction

As AI-driven attacks increase, Splunk’s machine learning capabilities will become even more vital. Future SOC teams will rely on Splunk for predictive analytics, reducing detection times from days to seconds. Investing in Splunk training now ensures readiness for next-gen cyber threats.

Start learning today and elevate your cybersecurity career with these free Splunk courses!

IT/Security Reporter URL:

Reported By: Ouardi Mohamed – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅

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