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Curated Microsoft 365 & IT Admin Intelligence
Last update Oct 23, 2026, 08:00 (Stockholm)
Oct 16, 2026
BAE Systems cyberattack disrupts US federal court operations
BleepingComputer • Oct 16, 2026 Security

The Administrative Office of the US Courts says a cyberattack on government contractor BAE Systems has taken down the notice system used by federal bankruptcy courts.

BeyondTrust patches zero-day exploited in attacks since August
BleepingComputer • Oct 16, 2026 Security

BeyondTrust warned customers on Thursday to patch a critical flaw in its Remote Support (RS) that has been exploited in zero-day attacks since late August.

Oct 15, 2026
Hackers exploit Collabora RCE flaw to backdoor Nextcloud servers
BleepingComputer • Oct 15, 2026 Security

Threat actors are exploiting a critical command execution flaw, now tracked as CVE-2026-110447, in the Collabora Online - Built-in CODE Server app (richdocumentscode) for Nextcloud.

Microsoft Releases Open-Source Tools for SQL Server and Azure SQL Workload Testing
Petri IT Knowledgebase • Oct 15, 2026 Cloud & Identity

Organizations frequently need to evaluate how database changes will affect performance, but creating realistic test workloads and reproducing production scenarios can be difficult with older tools. As SQL environments become more complex, traditional testing approaches may not provide the flexibility or visibility needed to accurately assess perfor

Microsoft Brings Defender for Endpoint to Linux Desktops in Public Preview
Petri IT Knowledgebase • Oct 15, 2026 Security

As Linux desktops become more common among developers, they are increasingly attracting attackers. These devices often store privileged credentials, source code, cloud access tokens, and other sensitive assets, yet many organizations focus their endpoint security efforts on Windows devices and Linux servers, which leaves developer workstations with

Is AI pentesting as good as a human pentester?
BleepingComputer • Oct 15, 2026 Security

AI pentesting can uncover vulnerabilities missed by human testers, but it also has limitations in consistency, risk assessment, and understanding business context. Intruder compares the strengths and weaknesses of both approaches and explains where AI agents can improve security testing. [...]

Microsoft: Windows Server 2022 reached end of mainstream support
BleepingComputer • Oct 15, 2026 Infrastructure

Microsoft announced that Windows Server 2022 has reached the end of mainstream support and will remain in extended support until October 2031. [...]

Oct 14, 2026
The hidden network: Inside the phishing infrastructure ecosystem powering global cybercrime
Microsoft Security Blog • Oct 14, 2026 Security

Microsoft uncovered a Chinese-language cybercriminal ecosystem, an interconnected network of phishing kit operators (tracked as Storm-2990), and an illicit marketplace (tracked as Storm-3119) selling tools and infrastructure for large-scale phishing. In collaboration with law enforcement agencies and other partners worldwide, Microsoft’s Digital Cr

Research Shows Vulnerability in Microsoft VBS Enclave Component
Petri IT Knowledgebase • Oct 14, 2026 Security

A vulnerability in a Microsoft VBS enclave component and highlights the security challenges of protecting highly trusted Windows environments.

Oct 13, 2026
Microsoft Rolls Back Exchange Admin Center Configuration Change After Outage
Petri IT Knowledgebase • Oct 13, 2026 Infrastructure

Microsoft restored Exchange Admin Center access after rolling back a configuration change that caused IT admin to receive internal server errors.

Oct 12, 2026
Hybrid EUC Environments Are Becoming the Enterprise Norm
Petri IT Knowledgebase • Oct 12, 2026 Workplace

Enterprises are increasingly managing hybrid EUC environments as Windows 365 and Azure Virtual Desktop adoption continues to grow.

Oct 09, 2026
First Ring Daily: RTX Sparky
Petri IT Knowledgebase • Oct 09, 2026 Infrastructure

In this episode of First Ring Daily, Brad Sams and Paul Thurrott look back at everything Microsoft announced during its Windows and Surface event this week, including how the company is building Windows for "hybrid intel

Oct 08, 2026
Post-quantum authentication: Why organizations should start testing certificate ecosystems now
Microsoft Security Blog • Oct 08, 2026 Guides & How-to

Prepare for post-quantum authentication by testing certificate ecosystems now. Learn how Microsoft’s PQC TLS Pilot Program helps advance future readiness. The post Post-quantum authentication: Why organizations should start testing certificate ecosystems now appeared first on Microsoft Security Blog .

Microsoft Brings Remote PC Connections to Windows App on Windows
Petri IT Knowledgebase • Oct 08, 2026 Workplace

The Remote PC connections feature in Windows App allows users to access physical PCs alongside Windows 365, AVD, and Dev Box resources.

Microsoft Makes Execution Containers Generally Available for AI Agents
Petri IT Knowledgebase • Oct 08, 2026 AI & Copilot

Microsoft Execution Containers gives organizations new controls to manage AI agent access to files, networks, applications, and system resources.

Oct 07, 2026
3 lessons from frontier AI vulnerability research
Microsoft Security Blog • Oct 07, 2026 Security

Read how How Microsoft Security's FORGE Lab is scaling vulnerability research from Windows to the Linux kernel. The post 3 lessons from frontier AI vulnerability research appeared first on Microsoft Security Blog .

Oct 06, 2026
CISO perspectives on managing vulnerability risks in the age of AI
Microsoft Security Blog • Oct 06, 2026 Security

Learn how CISOs can mitigate cybersecurity risks and increase resilience in the age of AI-powered vulnerability management. The post CISO perspectives on managing vulnerability risks in the age of AI appeared first on Microsoft Security Blog .

How to Choose a Domain or Workgroup
Petri IT Knowledgebase • Oct 06, 2026 Guides & How-to

In this article, I look at how to choose between a Windows Active Directory domain or workgroup, and their pros and cons.

Oct 01, 2026
Preparing governments for an era of interconnected cyber risk
Microsoft Security Blog • Oct 01, 2026 Security

According to this year’s Microsoft Digital Defense Report, government agencies and services were the sector most impacted by cyber threats in 2026, accounting for 27% of observed activity, up from 17% in 2025. The post Preparing governments for an era of interconnected cyber risk appeared first on Microsoft Security Blog .

Insights from the 2026 Microsoft Digital Defense Report
Microsoft Security Blog • Oct 01, 2026 Infrastructure

Read highlights from the 2026 Microsoft Digital Defense Report, which reflects a security environment that continues to grow more interconnected. The post Insights from the 2026 Microsoft Digital Defense Report appeared first on Microsoft Security Blog .

Stop Asking Security Questions: What Modern Service Desk Identity Verification Should Look Like
Petri IT Knowledgebase • Oct 01, 2026 Cloud & Identity

For too many service desks, identity verification still relies on asking the caller questions that only the real employee should be able to answer.

Best Active Directory Group Management Tools
Petri IT Knowledgebase • Oct 01, 2026 Cloud & Identity

The best Active Directory group management tools help automate changes, delegate, strengthen governance, and manage hybrid environments.

Sep 30, 2026
​​Secure what’s next: Your guide to Microsoft Security at Microsoft Ignite 2026
Microsoft Security Blog • Sep 30, 2026 AI & Copilot

This year at Microsoft Ignite, we spotlight our AI-first, end-to-end security platform designed to protect identities, devices, data, applications, clouds, infrastructure, and the AI agents now working alongside your teams. The post ​​Secure what’s next: Your guide to Microsoft Security at Microsoft Ignite 2026 appeared first on Microsoft Security

Unauthenticated command injection on internet-facing mail servers: tracking CVE-2026-73570
Microsoft Security Blog • Sep 30, 2026 Security

Microsoft Threat Intelligence examines CVE-2026-73570 exploitation in Zimbra, including observed attack paths, detection opportunities, and mitigation guidance.

Sep 29, 2026
Phishing Abuses RMM Tools for Persistent Access
Microsoft Security Blog • Sep 29, 2026 Security

Microsoft observed phishing campaigns that abused MSP360 RMM to deploy ScreenConnect, creating redundant remote-access channels for follow-on activity

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