Posts by Brandon Overstreet
Rapid response | 2 min read
Update on the SharePoint ToolShell vulnerability exploitation (CVE-2025-53770)Over the weekend, a zero-day vulnerability for SharePoint 16.0.0.0 and earlier versions was targeted. Here's what you need to know.
Threat intel | 5 min read
MDR insights: Tracking lateral movement in a Windows environment (part 2)This is part two of a pocket guide created by Expel's SOC analysts to track and identify lateral movement within your Windows environments.
Threat intel | 7 min read
MDR insights: Tracking lateral movement in a Windows environment (part I)This is a pocket guide created by Expel's SOC analysts to track and identify anomalous lateral movement within your Windows environments.
Data & research | 7 min read
MDR insights: how our SOC identified & responded to CVE-2024-3400Learn how Expel's security operations center (SOC) identified and resolved CVE-2024-3400 for one of our customers.