https://www.group-ib.com/blog/hollowgraph-microsoft-365/#new_tab 2026-07-20T20:00:09Z Security Risk Advisors en 🚩 HOLLOWGRAPH Abuses Microsoft 365 Calendars and DNS Tunneling for Covert C2 2026-07-20T20:00:09Z Blog https://www.fortinet.com/blog/threat-research/the-ttf-trap-a-global-campaign-of-a-low-detection-lua-loader#new_tab 2026-07-20T19:48:08Z Security Risk Advisors en 🚩 Obfuscated Lua Loaders Disguised as TrueType Fonts Deliver RATs and Infostealers Through Phishing Campaigns 2026-07-20T19:48:08Z Blog https://www.microsoft.com/en-us/security/blog/2026/07/16/acr-stealer-two-observed-intrusion-chains-amid-increased-threat-activity/#new_tab 2026-07-20T19:47:19Z Security Risk Advisors en 🚩 ACR Stealer Campaigns Use ClickFix, WebDAV, MSHTA, and Steganography to Steal Browser Credentials 2026-07-20T19:47:19Z Blog