1 rich Libsyn https://www.libsyn.com 90 600 SANS Stormcast Monday, April 20th, 2026: Lumma Stealer and Sectop RAT; Windows 0-Day Exploited; NIST NVD Update; FortiSandbox PoC Lumma Stealer infection with Sectop RAT (ArechClient2) https://isc.sans.edu/diary/Lumma%20Stealer%20infection%20with%20Sectop%20RAT%20%28ArechClient2%29/32904 Three Recent Windows Defender Vulnerabilities Exploited (one 0-day) https://x.com/HuntressLabs/status/2044882115574091960 FortiSandbox PoC Exploit CVE-2026-39808 https://github.com/samu-delucas/CVE-2026-39808?tab=readme-ov-file NIST Updates NVD Operations to Address Record CVE Growth https://www.nist.gov/news-events/news/2026/04/nist-updates-nvd-operations-address-record-cve-growth keywords: NIST; NVD; CVE; FortiSandbox; FortiNet; PoC; Windows; Defender; lumma stealer; sectop; rat SANS Internet Storm Center's Daily Network Security News Podcast https://isc.sans.edu/podcastdetail.html <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/40927185/height/90/theme/custom/thumbnail/yes/direction/forward/render-playlist/no/custom-color/88AA3C/" height="90" width="600" scrolling="no" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen></iframe> https://assets.libsyn.com/secure/item/40927185