Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
Microsoft Teams Desktop Client Fails to Launch on Windows: Availability Incident Response and Defender Playbook
Microsoft has confirmed an active known issue causing delays — and in some cases outright failures — when users attempt to open the Microsof...
Invisible Unicode Tag Phishing Campaign Evading Microsoft 365 Email Filters: Detection and Blocking Guide
Introduction Microsoft's Security Research team is warning of an active, high-volume social engineering campaign that has pushed millions of...
RMM Social Engineering Campaign Hits 46 Countries — US Is Top Target: Detection and Defense Guide
Introduction What researchers initially assessed as a Canada-focused phishing operation — built around Canada Revenue Agency (CRA) tax-form ...
OAuth Consent Traps, CEO Social-Engineering Kits, and 5,000 Dropbox Account Hacks: A Defender's Detection and Response Playbook
When the Front Door Opens Itself: This Week in Identity-Centric Social Engineering This week's ThreatsDay roundup from The Hacker News reads...
Teams Helpdesk Impersonation + Node.js MSI Implant: Human-Operated Intrusion Chain — OTX Pulse Analysis & Detection Pack
Teams Helpdesk Impersonation + Node.js MSI Implant: Human-Operated Intrusion Chain — OTX Pulse Analysis & Detection Pack Threat Summary A ne...
XCSSET v40 Supply Chain Surge + SakDriver Kernel Rootkit + Teams Help Desk Intrusion: OTX Detection Pack
Threat Summary Three concurrent OTX pulses published 2026-09-02 paint a picture of adversaries moving up and down the trust stack simultaneo...
TVRAT and DarkVNC Campaign Infected 80,000 Freelancers — Detection and Defense Guide for SOC Teams
The Indictment and Why It Matters to Every Enterprise SOC A federal grand jury in California has indicted a Russian national for orchestrati...
TerminalFix ClickFix Variant: Fake Cloudflare CAPTCHAs Push Reverse-Tunnel Malware via Windows Terminal — Detection and Defense Guide
Introduction Microsoft's threat intelligence team has disclosed a new evolution of the ClickFix social-engineering technique, dubbed Termina...
ShinyHunters Social Engineering Incident at ReliaQuest: Identity, Help Desk, and MSSP Defense Guide
Introduction ReliaQuest has publicly rejected claims that ShinyHunters successfully compromised its internal systems after an incident linke...