Splunk Threat Research Team's Blog Posts

The Splunk Threat Research Team is an active part of a customer’s overall defense strategy by enhancing Splunk security offerings with verified research and security content such as use cases, detection searches, and playbooks. We help security teams around the globe strengthen operations by providing tactical guidance and insights to detect, investigate and respond against the latest threats. The Splunk Threat Research Team focuses on understanding how threats, actors, and vulnerabilities work, and the team replicates attacks which are stored as datasets in the Attack Data repository.

Our goal is to provide security teams with research they can leverage in their day to day operations and to become the industry standard for SIEM detections. We are a team of industry-recognized experts who are encouraged to improve the security industry by sharing our work with the community via conference talks, open-sourcing projects, and writing white papers or blogs. You will also find us presenting our research at conferences such as Defcon, Blackhat, RSA, and many more.

Read more Splunk Security Content.

Splunk Security Content for Threat Detection & Response: November Recap
Security
1 Minute Read

Splunk Security Content for Threat Detection & Response: November Recap

Discover Splunk's November security content updates, featuring enhanced Castle RAT threat detection, UAC bypass analytics, and deeper insights for validating detections on research.splunk.com.
Behind the Walls: Techniques and Tactics in Castle RAT Client Malware
Security
10 Minute Read

Behind the Walls: Techniques and Tactics in Castle RAT Client Malware

Uncover CastleRAT malware's techniques (TTPs) and learn how to build Splunk detections using MITRE ATT&CK. Protect your network from this advanced RAT.
PromptLock PoC Ransomware: Lessons and Key Takeaways
Artificial Intelligence
10 Minute Read

PromptLock PoC Ransomware: Lessons and Key Takeaways

Understand Shadow AI risks, TTPs, and Splunk's security detections to counter the evolving threat of the PoC ransomware PromptLock.
Splunk Security Content for Threat Detection & Response: November 2025 Update
Security
5 Minute Read

Splunk Security Content for Threat Detection & Response: November 2025 Update

Learn about the latest security content from Splunk.
Crossed Swords 2025: Lessons From the Frontlines of Cyber Defense with Splunk Enterprise Security
Security
3 Minute Read

Crossed Swords 2025: Lessons From the Frontlines of Cyber Defense with Splunk Enterprise Security

Splunk participated in the NATO Cooperative Cyber Defense Center of Excellence cyberwarfare exercise 'Crossed Swords' by providing tooling and personnel.
NotDoor Insights: A Closer Look at Outlook Macros and More
Security
10 Minute Read

NotDoor Insights: A Closer Look at Outlook Macros and More

The Splunk Threat Research Team breaks down the NotDoor Outlook-macro backdoor linked to APT28 and shows how to detect these stealthy techniques to strengthen security coverage.