Advertisement
CRITICAL
Threat Intel
Chinese APT Leverages PlugX & ShadowPad with Cloud C2 for Mongolian Espionage
A Chinese state-sponsored APT is exploiting Microsoft Outlook, Slack, Discord, and file.io for C2, deploying PlugX and ShadowPad in espionage operations targeting
Runtime Rebel Intel
4 min read·Apr 23, 2026
CL
INFO
Cloud Security
Microsoft Investigates Classic Outlook Sync & Connection Issues
Microsoft is actively investigating widespread classic Outlook desktop client synchronization and connectivity problems impacting users globally.
Runtime Rebel Intel
4 min read·Mar 13, 2026
VU
HIGH
Vulnerabilities
Microsoft Outlook CVE-2025-21418: Mitigating NTLM Relay Attacks
Analysis of CVE-2025-21418 in Microsoft Outlook. Learn how attackers bypass security features to leak NTLM hashes and the steps needed for mitigation.
Runtime Rebel Intel
3 min read·Mar 5, 2026