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Unpatched Microsoft Defender flaw lets hackers gain admin access
Tech Optimizer
April 16, 2026

Unpatched Microsoft Defender flaw lets hackers gain admin access

A security researcher named Chaotic Eclipse has discovered a significant vulnerability in Microsoft Defender that could allow hackers to gain administrative access to systems running Windows 10, Windows 11, and Windows Server. The vulnerability arises from Windows Defender's behavior of rewriting detected malicious files back to their original location instead of removing them, which can be exploited to overwrite system files and grant unauthorized users elevated privileges. This issue remains unaddressed by Microsoft, leaving millions of users vulnerable. Although there is no current evidence of active exploitation, the situation could change. Users are advised to consider additional antivirus solutions for enhanced security.
Microsoft drops Copilot branding from Windows 11 apps
Winsage
April 12, 2026

Microsoft drops Copilot branding from Windows 11 apps

Microsoft is phasing out the Copilot branding from various native applications in Windows 11, including Notepad and Snipping Tool, replacing the Copilot button with a writing tools menu. Similar changes are being made in other applications like Photos and Widgets. The updates aim to reduce the number of Copilot entry points while maintaining core AI functionalities. Microsoft is shifting its focus to embedding AI directly within applications instead of highlighting it as a standalone feature, resulting in a more streamlined user experience. Users will see fewer visible AI shortcuts, but functionality such as AI-assisted features will remain accessible through different menus.
Native Apps? It's a Trap! ⭐️
Winsage
April 3, 2026

Native Apps? It’s a Trap! ⭐️

Microsoft's Copilot+ launch event in May 2024 introduced a feature called Recall, which sparked privacy concerns among enthusiasts. Pavan Duluri, head of Windows, indicated a focus on addressing Windows 11's "pain points" in 2026, but expectations among fans exceeded his promises. The introduction of AI features, including Copilot, received mixed reactions, with some users fixating on the removal of elements like the Copilot icon rather than overall functionality. There is a divide between passionate enthusiasts and the broader user base, complicating Duluri's task of balancing user needs with corporate demands for new AI features. Rudy Huyn, a principal lead architect at Microsoft, promised to replace web-based inbox apps with "100 percent native" applications, a claim viewed skeptically due to the complexities involved. While enhancing web-based experiences is feasible, many significant web apps are designed to remain as such. The challenges facing Windows include broader corporate strategies and user dissatisfaction, with concerns about perceived declines in quality. Improvements to features like the Start menu and File Explorer may not satisfy ongoing complaints from enthusiasts.
Gold Lapel launches PostgreSQL proxy to tune queries
Tech Optimizer
March 24, 2026

Gold Lapel launches PostgreSQL proxy to tune queries

Gold Lapel has introduced a PostgreSQL proxy that enhances database query performance by acting as an intermediary between applications and PostgreSQL databases. The proxy monitors live queries, identifies issues, and implements optimizations such as creating materialised views, introducing various index types, and rewriting queries. It supports over ten optimization strategies, seven programming languages, four frameworks, and three ORMs, and is available for Linux, macOS, Windows, and Docker. The software includes features like prepared statement caching, in-memory result caching, connection pooling, automatic read replica routing, and security measures including TLS. An observability layer provides a live web dashboard and audit timeline. The pricing model is USD 9 per month per instance, with a site license available for unlimited instances. Gold Lapel has also released a 19-chapter technical book on PostgreSQL performance optimization. The company was founded by Stephen Gibson and is based in San Francisco.
How PostgreSQL on Azure helps modernize legacy databases
Tech Optimizer
March 17, 2026

How PostgreSQL on Azure helps modernize legacy databases

Microsoft is enhancing PostgreSQL to establish it as a high-performance, scalable, and enterprise-ready open database platform, addressing the limitations of legacy systems like Oracle. Many Oracle customers face rising licensing costs, performance bottlenecks, and scalability issues, prompting them to consider migration. Apollo Hospitals successfully migrated from Oracle to Azure Database for PostgreSQL, achieving a 60% reduction in operational costs and a threefold improvement in system performance. Microsoft has introduced an AI-assisted migration tool to simplify the transition from Oracle to PostgreSQL, automating the conversion of schemas and application code. Azure Database for PostgreSQL offers high performance, scalability, and security, with features like v6-series compute SKUs and SSD v2 storage. Azure HorizonDB, a new cloud-native PostgreSQL service, supports extreme performance demands and is designed for real-time analytics. Microsoft is committed to enhancing PostgreSQL as an open-source database for enterprise workloads, enabling organizations to innovate and become more agile.
Fake Huorong Site Delivers ValleyRAT Backdoor in Targeted Malware Campaign
Tech Optimizer
February 24, 2026

Fake Huorong Site Delivers ValleyRAT Backdoor in Targeted Malware Campaign

A cyber operation is targeting users of Huorong Security antivirus software through a typosquatted domain, huoronga[.]com, which mimics the legitimate site huorong.cn. Users who mistakenly visit the counterfeit site may download a file named BR火绒445[.]zip, which contains a trojanized installer that leads to the installation of ValleyRAT, a remote access trojan. The malware employs various techniques to evade detection, including using an intermediary domain for downloads, creating Windows Defender exclusions, and establishing a scheduled task for persistence. The backdoor facilitates activities such as keylogging and credential access while disguising its operations within legitimate processes like rundll32.exe. Attribution points to the Silver Fox APT group, and there has been a significant increase in ValleyRAT samples documented in recent months. Security measures include ensuring software downloads are from the official site and monitoring for specific malicious activities.
Researchers Dropped 1,000 AIs in Minecraft and Watched a Civilization Form
AppWizard
February 15, 2026

Researchers Dropped 1,000 AIs in Minecraft and Watched a Civilization Form

Researchers at MIT introduced 1,000 AI agents into Minecraft to construct a community. The AI agents organized themselves, established social structures, designated roles, and created a functioning civilization. They engaged in collective decision-making, discussing and voting to amend their rules, demonstrating negotiation skills and a level of autonomy. This experiment highlights advancements in AI capabilities, blurring the lines between programmed responses and human-like behaviors.
OpenAI Scales ChatGPT to 1M Queries/Second with PostgreSQL on Azure
Tech Optimizer
January 26, 2026

OpenAI Scales ChatGPT to 1M Queries/Second with PostgreSQL on Azure

OpenAI has optimized its database infrastructure using PostgreSQL to support 800 million monthly active users and process over a million queries per second without complex sharding. The architecture consists of a single primary instance with nearly 50 read replicas, achieving low double-digit millisecond response times at the 99th percentile. OpenAI employs best practices like connection pooling, query optimization, and strategic indexing, utilizing tools such as PgBouncer for efficient connection management. The company has achieved five-nines availability through failover mechanisms and has adapted to a tenfold increase in query volume within a year by tuning PostgreSQL parameters rather than creating custom solutions. OpenAI incorporates community-driven optimizations, such as custom indexing strategies and materialized views, and uses extensions like pgvector for managing vector data and embeddings. The organization continuously monitors for strain during traffic surges and adjusts by adding replicas or optimizing configurations. Their approach emphasizes simplicity, avoiding sharding to minimize operational overhead, and they plan to explore newer PostgreSQL features and AI-native capabilities in the future.
Best AI apps for Android
AppWizard
January 26, 2026

Best AI apps for Android

Artificial Intelligence is significantly impacting Android, enhancing user experiences in writing, studying, photo editing, web searching, and task management. Notable AI apps for Android in 2026 include: 1. ChatGPT for Android: A popular app for writing, learning, coding, and answering everyday questions, assisting with emails, article summaries, math problems, code generation, and exam preparation. 2. Google Gemini App: Google's official AI assistant, integrating with Gmail, Google Docs, Maps, and Search, aiding in email writing, summaries, and idea generation. 3. Microsoft Copilot: An AI tool for Office users, providing writing, summarization, and image generation features, particularly useful for Microsoft Word, Excel, or Edge users. 4. Perplexity AI: An AI-powered search tool that offers accurate answers with citations, preferred by users over traditional Google Search. 5. Adobe Firefly: An AI image creation and design app that allows users to generate images, remove backgrounds, and apply AI effects using text prompts. 6. Otter AI: Designed for voice recording and transcription, it provides live voice-to-text, speaker detection, and AI-generated summaries. 7. Notion AI: A paid add-on for note-taking, planning, and writing, assisting with content rewriting, note summarization, and brainstorming. 8. Lensa AI: A paid app for photo enhancement and avatar creation, popular on social media. Free AI apps are suitable for casual users and basic tasks, while paid apps cater to professionals and creators who require more advanced features.
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