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Why Windows updates keep getting bigger and more bloated
Winsage
April 29, 2026

Why Windows updates keep getting bigger and more bloated

Monthly updates for Windows 11 from Microsoft now range from 4 to 9 GB, compared to 300 to 500 MB updates two years ago. The increase in update sizes is attributed to the integration of advanced AI features, cumulative delivery of updates, and a fixed monthly update schedule. Cumulative updates bundle all previous updates, leading to larger file sizes, while the monthly frequency forces consolidation of changes into single releases. Users can check what their PC is downloading during an update by navigating to Settings > Windows Update > Advanced options > Delivery optimization > Activity monitor.
I investigated Windows 11's massive 5GB monthly .msu updates. AI is only part of the problem.
Winsage
April 28, 2026

I investigated Windows 11’s massive 5GB monthly .msu updates. AI is only part of the problem.

Windows 11 updates have significantly increased in size, with monthly cumulative updates often exceeding 4GB and some approaching 5GB. One update can expand to nearly 9GB when extracted. Microsoft has shifted to delivering Latest Cumulative Updates (LCUs), which include all previous fixes, leading to larger update sizes over time. The introduction of Checkpoint Cumulative Updates aims to reduce this growth by establishing periodic baselines, but the effectiveness has been mixed. The May 2025 cumulative update saw a size increase from approximately 6.5GB to nearly 9GB, with new MSIX files related to semantic search and on-device AI contributing to this growth. Windows Update uses applicability logic to minimize download sizes for users, but enterprises must download full packages, resulting in increased storage costs. The average yearly storage cost for enterprises rose from about 11 GB in 2024 to 52 GB by 2026. Users can check their actual download sizes through the Windows Update settings and Event Viewer logs.
Microsoft Releases Enterprise Policy Option to Disable Windows 11 Copilot
Winsage
April 28, 2026

Microsoft Releases Enterprise Policy Option to Disable Windows 11 Copilot

Microsoft has introduced a new enterprise policy setting that allows IT administrators to silently uninstall the Microsoft Copilot app from managed Windows 11 devices. The RemoveMicrosoftCopilotApp policy became available after the April 2026 Patch Tuesday security updates and is compatible with enterprise management solutions like Microsoft Intune and System Center Configuration Manager (SCCM). Administrators can find the policy in the Group Policy Editor under User Configuration > Administrative Templates > Windows AI > Remove Microsoft Copilot App. It specifically targets Windows 11 Pro, Enterprise, and Education SKUs, excluding Home edition users. The uninstallation process is triggered when three conditions are met: Microsoft 365 Copilot is installed on the device, it was provisioned (not user-installed), and it has not been launched by the user in the last 28 days. The policy was initially available for Windows Insiders in January 2026 and became generally accessible afterward. However, future updates or user reinstalls from the Microsoft Store may reintroduce the Copilot app, necessitating ongoing policy enforcement for permanent removal. Organizations seeking broader exclusion may need to use PowerShell scripts or additional MDM configurations.
Using Windows or Microsoft Office? India issues high-severity cyber alert, how to stay safe
Winsage
April 27, 2026

Using Windows or Microsoft Office? India issues high-severity cyber alert, how to stay safe

India’s cybersecurity agency, CERT-In, has issued an advisory regarding high-severity vulnerabilities in various Microsoft products, including multiple versions of Windows, Windows Server, Microsoft Office, and the Chromium-based Microsoft Edge browser. These vulnerabilities can allow attackers to execute malicious code, elevate system privileges, access sensitive data, or disrupt services. They arise from issues such as improper input validation, memory corruption, insufficient access control, and inadequate memory object handling. Exploitation can occur remotely or locally, sometimes requiring user interaction. CERT-In advises users and organizations to apply the latest security updates from Microsoft to mitigate these risks.
Why developers are betting on Postgres for AI
Tech Optimizer
April 27, 2026

Why developers are betting on Postgres for AI

Organizations are intensifying the development of AI applications and agents, which rely on access to existing enterprise data to avoid inaccuracies in responses, a phenomenon known as "hallucination." Jensen Huang, CEO of Nvidia, and Phillip Merrick, co-founder of pgEdge, emphasize that structured data is essential for AI effectiveness. PostgreSQL is highlighted as a preferred database for AI applications, with 66% of respondents in the Stack Overflow 2025 Developer Survey indicating they wish to continue using it. Merrick notes PostgreSQL's advantages, including its open-source model, scalability, and ability to handle both structured and unstructured data. The pgEdge toolkit supports the entire lifecycle of AI application development, including document ingestion and vector embedding generation. PostgreSQL offers deployment flexibility and robust security features, making it suitable for critical sectors like finance and healthcare.
Fileless Malware and Email Authentication Gaps
Tech Optimizer
April 24, 2026

Fileless Malware and Email Authentication Gaps

Fileless malware operates stealthily within networks, utilizing legitimate system tools like PowerShell and Windows Management Instrumentation (WMI) to execute malicious code in memory without leaving traces on disk. Traditional antivirus solutions struggle to detect these threats due to their reliance on file signatures. The primary vector for fileless malware is email, where attackers use spoofed messages to trick users into activating malicious scripts. Misconfigurations in Sender Policy Framework (SPF) and DomainKeys Identified Mail (DKIM) records create vulnerabilities that attackers exploit to deliver spoofed emails. Traditional endpoint protection mechanisms are inadequate against fileless attacks, necessitating a shift towards behavioral analysis for detection. Organizations must assess their preparedness by ensuring proper email authentication configurations and enhancing endpoint security capabilities. Integration among security teams and updated employee security awareness programs are also essential. Sendmarc helps organizations mitigate vulnerabilities by providing visibility into SPF, DKIM, and DMARC configurations and enforcing DMARC to block unauthenticated messages.
"For years, Microsoft's practices have had real financial impact on both public and private organizations" – Microsoft faces new legal challenge over licensing practices
Winsage
April 22, 2026

“For years, Microsoft’s practices have had real financial impact on both public and private organizations” – Microsoft faces new legal challenge over licensing practices

Microsoft is facing a £2 billion lawsuit in the UK, led by competition lawyer Maria Luisa Stasi, representing nearly 60,000 businesses that claim the company imposes excessive charges for using Windows Server on competing cloud platforms. The allegations focus on higher licensing fees for organizations using services like Amazon Web Services, Google Cloud Platform, and Alibaba Cloud compared to those using Microsoft’s Azure. The lawsuit has been allowed to proceed on an opt-out basis by the Tribunal. Microsoft plans to appeal the decision and asserts that its business model promotes competition. The case is part of broader scrutiny of Microsoft's licensing practices, with investigations also initiated by the UK Competition and Markets Authority and the European Commission, as well as inquiries in Brazil, Switzerland, the United States, and Japan.
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