secure365 – Analyst Insights in 60 Seconds – May 2026

This month, secure365 analysts reviewed and closed incidents involving endpoint malware detections, suspicious file activity, firewall and VPN investigation, possible data exposure, external sharing, and emerging Defender-related threat activity. 

In endpoint cases, analysts checked suspicious files, file reputation, quarantine status, network connections, and device logon activity to confirm whether there was evidence of wider compromise. In data-risk cases, analysts reviewed anomalous downloads and external sharing activity, checking permissions, Microsoft infrastructure, recipient reputation, and whether the behaviour indicated account compromise or user-driven risk. 

The team also investigated firewall and VPN activity where suspicious infrastructure suggested possible jump-host style access, and provided analysis to help the customer decide whether deeper log ingestion was worthwhile. Alongside live incident work, analysts carried out threat hunting and worked with the Softwerx DevOps team to deploy custom Sentinel analytics for emerging Microsoft Defender zero-day activity. 

Actions taken by analysts included: advanced hunting, file and URL reputation checks, review of sign-in and device activity, customer escalation where needed, session revocation, sign-in blocking recommendations, device isolation where applicable, and clear closure notes explaining what was found and what action was required. 

Why it matters: many alerts are only the starting point. secure365 analysts investigate the story behind the alert, confirm whether there is real risk, and take action to contain or explain the issue. 

secure365 value: analyst-led investigation across Microsoft Defender and Sentinel, practical containment guidance, and customer-ready incident closure that explains what happened, what was checked, and what action was taken. 

Check in next month for more SOC Analyst Insights from Softwerx!