Webinar: From phishing to fallout — Why MSPs must rethink both security and recovery
2026-04-17T13:23:31Z•09ba7c03c4c0724b25b01e40881cc842a071681487da39ba36bca0a503dcb4b2
AI voice agentsATHRActive exploitationApache ActiveMQCISACiscoDDoSHugging FaceMarimoMcGraw Hill breach","ShinyHuntersMicrosoftMicrosoft DefenderNKAbuseOT securityOperation PowerOFFRedSunWebex ServicesWindowsZionSiphoncritical patchdomain controllerreboot loopvishingwater treatmentzero-day
What happened
A cluster of high-impact security stories: CISA warns attackers are actively exploiting a recently patched, long‑undetected Apache ActiveMQ flaw; multiple newly leaked Windows zero‑days are being used to gain SYSTEM/elevated privileges; and some Windows domain controllers are entering reboot loops after April updates. Researchers published a PoC for a second Microsoft Defender zero‑day (“RedSun”), and a critical Marimo notebook vulnerability is being abused to deploy NKAbuse malware from Hugging Face. New OT‑focused ZionSiphon malware targets water treatment/desalination systems for sabotage,;
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- bleepingcomputer
- Record identifier
- 09ba7c03c4c0724b25b01e40881cc842a071681487da39ba36bca0a503dcb4b2
- Enrichment time
- 2026-04-17T13:23:31Z
- AI-assisted enrichment
- Yes
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