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ΛRIΞN👨🏼‍💻 de Groot

@ariendg.adgict.nl

🇳🇱🧑‍💻IT specialist/pro | 💻deployment freak | 💙following: Technical news, IT, windows-deployment, SecOps, gadgets, movies, humor, systems administration, #PowerShell, automotive. 🌍 adgict.nl/category/blog/ 🕊️ https://x.com/ariendg

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The Hacker News | #1 Trusted Source for Cybersecurity News [Uno…@thehackernews.com.web.brid.gy · last mo.

Critical VMware Workstation and Fusion Flaw Lets VM Admins Execute Host Code

Broadcom has released security updates for two security flaws impacting VMware Workstation and Fusion, including one critical bug that could result in arbitrary code execution under certain conditions. The vulnerability, tracked as CVE-2026-59346 (CVSS score: 9.3), is an integer-overflow vulnerability that a local attacker with elevated privileges can exploit to run arbitrary code. "A

thehackernews.com

Cybersecurity News Everyday@hendryadrian.bsky.social · 3mo ago

Microsoft is fixing a WSUS sync issue causing failures, longer sync times, and timeouts for some Windows 10 and Windows Server environments, delaying update delivery through WSUS and Configuration Manager. #WSUS #WindowsUpdate #Microsoft

Microsoft confirms Windows Server Update Services sync delays

Microsoft is fixing a known WSUS issue that has caused synchronization failures and timeouts for more than a week, affecting both client and server Windows platforms. The problem is blocking some organizations from deploying the latest Windows updates through WSUS and Configuration Manager, while Microsoft works on additional mitigations for previously affected servers. #Microsoft #WSUS #WindowsUpdate #ConfigurationManager

hendryadrian.com

Cybersecurity News Everyday@hendryadrian.bsky.social · 3mo ago

Zscaler ThreatLabz found 2 web-based indirect prompt injection campaigns using hidden instructions, SEO poisoning, CSS, HTML, and JSON-LD to mislead AI agents, causing misclassification and even unauthorized payment actions. #Zscaler #ThreatLabz

Indirect Prompt Injection in Web Content Targets AI Agents

Zscaler ThreatLabz analyzed two indirect prompt injection campaigns that used hidden instructions, SEO poisoning, CSS, HTML, and JSON-LD to manipulate AI agents visiting malicious websites. The campaigns impersonated a fake payment/API-key site and a typosquatting DeBank clone, and testing across 26 LLMs showed several models could be tricked into misclassification or unauthorized payment actions. #Zscaler #ThreatLabz #DeBank #Open-Agent-Utilities

hendryadrian.com

Cybersecurity News Everyday@hendryadrian.bsky.social · 3mo ago

CitrixBleed CVE-2026-8451 was exploited within 24 hours of disclosure, targeting NetScaler ADC and Gateway devices using SAML IDP. The XML parser flaw can leak memory without authentication. #Citrix #NetScaler #Germany

New CitrixBleed Vulnerability Exploited Immediately After Public Disclosure

Threat actors began exploiting CVE-2026-8451 in NetScaler ADC and NetScaler Gateway appliances less than 24 hours after Citrix disclosed and patched the issue. The bug can leak memory from SAML IDP-configured systems without authentication, and early probing has already been linked to scanning from Frankfurt and Koapu Cloud HK infrastructure. #CitrixBleed...

hendryadrian.com

Andreas Hartig@hartiga.de · 3mo ago

Azure Arc connected machine agent v1.65 (June 2026) is live! Critical upgrades: guest config & ACM agent improvements, plus bug/security fixes. Leverage auto-upgrade for new capabilities. My blog details implementation: hartiga.de/windows-serv... #WindowsServer

Azure Arc - Enable Azure Arc Auto Updates using Azure Portal

Management of hybrid environments requires a foundation. For Azure Arc this is the Connected Machine Agent. Lets look at Azure Arc Auto Updates.

hartiga.de

Andreas Hartig@hartiga.de · 4mo ago

Microsoft just dropped OpenTelemetry Guest OS metrics for Azure VMs & Arc servers. This unifies Windows/Linux monitoring. Benefits: 1️⃣ Lower cost, faster queries. 2️⃣ Per-process visibility. 3️⃣ Native PromQL & Grafana. 4️⃣ Streamlined onboarding. A major step for modernizing hybrid infra via

Harjit Dhaliwal [Hoorge]@harjit.bsky.social · 5mo ago

KB5089549 and the New Secure Boot PowerShell Scripts in Windows 11: What IT Pros Need to Know - harjit.us/kb5089549-an... #SecureBoot #Windows #Patching #MSIntune #Security

KB5089549 and the New Secure Boot PowerShell Scripts in Windows 11: What IT Pros Need to Know

Microsoft’s May 2026 cumulative update for Windows 11, KB5089549, introduced more than the usual monthly security fixes. Buried inside the release was something many IT professionals immediately notic...

harjit.us

Windows Update@windowsupdate.bsky.social · 7mo ago

IMPORTANT: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. We recommend reviewing the guidance and taking action to update certificates in advance. Learn more by visiting the Secure Boot playbook. techcommunity.microsoft.com/blog/windows... (🧵9/10)

Secure Boot playbook for certificates expiring in 2026

Explore tools and step-by-step guidance to help you proactively update your Secure Boot certificates.

techcommunity.microsoft.com