Chal_stack_tech✨

Vercel Hacked via Third-Party AI Tool Cloud platform Vercel confirmed a security breach after hackers gained unauthorized access to internal systems and stole data, including employee names, emails, and activity logs. The group ShinyHunters claimed responsibility and began posting stolen data online. The attack didn’t come directly through Vercel itself. It originated from a compromised third-party AI tool connected via Google Workspace OAuth, part of a broader supply-chain style hack affecting multiple organizations. Vercel says only a limited subset of customers was impacted, but advised users to rotate API keys and monitor logs. The incident highlights a growing risk: AI integrations are becoming a new entry point for large-scale cyberattacks.

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ሜታ የማርክ ዙከርበርግን አርቴፊሻል ኢንተለጀንስ (AI) ክሎን እየሰራ መሆኑ ተዘገበ። እስኪ አስቡት በሜታ ኩባንያ ውስጥ ሰራተኛ ሆናችሁ ከዋና ሥራ አስፈጻሚው ማርክ ዙከርበርግን የሆነ የስራ ጉዳይ ማነጋገር ፈለጋችሁ ነገር ግን ምላሽ የምታገኙት ከእውነተኛው ማርክ ዙከርበርግ ሳይሆን ከዙከርበርግ AI ገጸ-ባህሪ ነው ብትባሉ። ይህ ምንም እንኳ የማይመስል ቢመስልም በቅርቡ እውን ሊሆን እንደሚችል ተነግሯል። ፋይናንሻል ታይምስ እንደዘገበው ሜታ በዙከርበርግ የአነጋገር ዘይቤ፣ የድምፅ ቃና እና በይፋዊ ንግግሮቹ ላይ የሰለጠነ እንዲህ ያለ የAI ገጸ-ባህሪ እያዘጋጀ ነው። ይህ ገጸ-ባህሪ ስለ ኩባንያው የቅርብ ጊዜ ስትራቴጂዎች የሥራ አስፈጻሚውን ሃሳብ እየተማረ ሲሆን፣ ዓላማውም ዋና ሥራ አስፈጻሚው በማይኖርበት ወይም በማይፈልግበት ጊዜ ለሠራተኞች ምክርና ትዕዛዝ ይሰጣል። ኩባንያው ለተወሰነ ጊዜ ያህል ግንኙነቶችን ማስተዳደር የሚችሉ እውነተኛ የሚመስሉ የ3D አኒሜሽን AI ገጸ-ባህሪያትን ለመፍጠር ሲሰራ ቆይቷል። አሁን ግን ትኩረቱን በዚህ የዙከርበርግ AI ላይ ያደረገ ይመስላል። @chalstack_tech

ሃከሮች update ባልተደረጉ የዊንዶውስ የደህንነት ክፍተቶችን በመጠቀም ተቋማት ላይ ጥቃት እየሰነዘሩ ነው። አንድ የሳይበር ደህንነት ተቋም እንዳስታወቀው፤ ባለፉት ሁለት ሳምንታት ውስጥ አንድ በደህንነት ምርምር ባለሙያ አማካኝነት በይነመረብ ላይ ይፋ የተደረጉ የዊንዶውስ የደህንነት ጉድለቶችን በመጠቀም፣ ጠላፊዎች ቢያንስ በአንድ ተቋም ላይ ጥቃት ሰንዝረዋል። Huntress የተሰኘው የሳይበር ደህንነት ኩባንያ እንደገለጸው ጠላፊዎች BlueHammer፣ UnDefend እና RedSun የተባሉ ሦስት የዊንዶውስ የደህንነት ክፍተቶችን እየተጠቀሙ መሆናቸውን አረጋግጫለሁ ብሏል። የጥቃቱ ሰለባ የሆነው ተቋም ማን እንደሆነና ጠላፊዎቹ እነማን እንደሆኑ እስካሁን አልታወቀም። ሦስቱም የደህንነት ክፍተቶች በዊንዶውስ ውስጥ በሚገኘው Windows Defender anti-virus ላይ የሚከሰቱ ናቸው። እነዚህ ክፍተቶች ጠላፊዎች በአንድ ኮምፒውተር ላይ administrator ፈቃድ እንዲያገኙ ያስችላቸዋል ተብሏል። ማይክሮሶፍት እስካሁን መፍትሔ (patch) ያወጣው ለBlueHammer ክፍተት ብቻ ሲሆን የቀሩት ሁለቱ (UnDefend እና RedSun) ገና ይፋ አልተደረገላቸውም። @bighabesha_softwares

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✅ Web Development Projects You Should Build as a Beginner 🚀💻 1️⃣ Landing Page ➤ HTML and CSS basics ➤ Responsive layout ➤ Mobile-first design ➤ Real use case like a product or service 2️⃣ To-Do App ➤ JavaScript events and DOM ➤ CRUD operations ➤ Local storage for data ➤ Clean UI logic 3️⃣ Weather App ➤ REST API usage ➤ Fetch and async handling ➤ Error states ➤ Real API data rendering 4️⃣ Authentication App ➤ Login and signup flow ➤ Password hashing basics ➤ JWT tokens ➤ Protected routes 5️⃣ Blog Application ➤ Frontend with React ➤ Backend with Express or Django ➤ Database integration ➤ Create, edit, delete posts 6️⃣ E-commerce Mini App ➤ Product listing ➤ Cart logic ➤ Checkout flow ➤ State management 7️⃣ Dashboard Project ➤ Charts and tables ➤ API-driven data ➤ Pagination and filters ➤ Admin-style layout 8️⃣ Deployment Project ➤ Deploy frontend on Vercel ➤ Deploy backend on Render ➤ Environment variables ➤ Production-ready build 💡 One solid project beats ten half-finished ones. 💬 Tap ❤️ for more!

Data Center ምንድነዉ? ‌Data center (የዳታ ማእከል) ስንል በቀላል አገላለጽ እጅግ በጣም ብዙ የሆኑ ኮምፒውተሮች፣ ሰርቨሮች (Servers) እና የመረጃ ማከማቻ መሣሪያዎች በአንድ ላይ ተሰባስበው የሚገኙበት ትልቅ ሕንፃ ወይም ክፍል ማለት ነው። ‌​እነዚህ ማእከላት የኢንተርኔት እና የዲጂታል ዓለም "አንጎል" ተብለው ሊጠሩ ይችላሉ። ለምሳሌ እኛ ፌስቡክ ሲንጠቀም፣ ኢሜይል ስንልክ ወይም ዩቲዩብ ላይ ቪዲዮ ስናይ ፣ ያ መረጃ ተቀምጦ የሚገኘው በአንድ የዳታ ማእከል ውስጥ ባሉ ሰርቨሮች ላይ ነው። ‌​አንድ የዳታ ማእከል በውስጡ የሚከተሉትን ዋና ዋና ነገሮች ይይዛል፡ ​1. መሰረተ ልማት (Infrastructure) ‌​ሰርቨሮች (Servers): መረጃዎችን የሚያስሉ እና ጥያቄዎችን የሚያስተናግዱ ከፍተኛ አቅም ያላቸዉ ኮምፒውተሮች ይኖራሉ። ‌​የማከማቻ መሣሪያዎች (Storage): ፎቶዎች፣ ቪዲዮዎች እና ሰነዶች በቋሚነት የሚቀመጡባቸው ድራይቮች። ‌​ኔትወርክ (Networking): ማእከሉን ከኢንተርኔት እና ከሌሎች ማእከላት ጋር የሚያገናኙ ገመዶች እና መሣሪያዎች። 2. የድጋፍ ሰጪ ሥርዓቶች ‌​የዳታ ማእከላት በቀን 24 ሰዓት፣ በሳምንት 7 ቀን ያለ ማቋረጥ መሥራት ስላለባቸው የሚከተሉት ነገሮች የግድ ያስፈልጋቸዋል፡ ‌​የቀዝቃዛ አየር (Cooling System): ሰርቨሮቹ ከፍተኛ ሙቀት ስለሚያመነጩ እንዳይቃጠሉ ክፍሉን በቋሚነት ማቀዝቀዝ ያስፈልጋል። ‌​የኤሌክትሪክ ኃይል (Power Supply): መደበኛው መብራት ቢጠፋ እንኳ የማይቋረጥ የኃይል ምንጭ (UPS) እና ጄኔሬተሮች ሊኖሩት ይገባል። ‌​ጥበቃ (Security): መረጃዎች እንዳይሰረቁ በዲጂታል መንገድ (Firewalls) እና በአካል (ጥበቃዎችና ካሜራዎች) ጥብቅ ቁጥጥር ይደረግባቸዋል። ​ለምን ያስፈልጉናል? ‌​በአሁኑ ጊዜ ማንኛውም ድርጅት (ባንኮች፣ የመንግሥት መሥሪያ ቤቶች፣ የማኅበራዊ ሚዲያ ኩባንያዎች) መረጃዎቻቸውን በጥንቃቄ ለማስቀመጥ እና ደንበኞቻቸው በየትኛውም ቦታ ሆነው መረጃውን እንዲያገኙ ለማድረግ ዳታ ማእከል ይጠቀማሉ። ‌​ባጭሩ፣ ዳታ ማእከል ባይኖር ኖሮ አሁን የምናውቀው ኢንተርኔት እና ዲጂታል አገልግሎቶች ሊኖሩ አይችሉም ነበር። ////////////////////////////////////////////////////////////////////// ‌የፊስቡክን (ሜታ) የዳታ ማእከል እንደ ምሳሌ ብንወስድ ነገሩን ይበልጥ ግልጽ ያደርገዋል። ፊስቡክ በዓለም ዙሪያ በቢሊዮን የሚቆጠሩ ተጠቃሚዎች ስሉት፣ እነዚህን ሁሉ መረጃዎች ለማስተናገድ እጅግ ግዙፍ የሆኑ የዳታ ማእከላት አሉት። ‌​ለምሳሌ በፊስቡክ ላይ አንድ ፎቶ "Post" ስናደርግ ምን እንደሚፈጠር እንመልከት ፦ ​1. መረጃውን መቀበልና ማከማቸት ‌​ፎቶውን "Post" ሲያደርጉ፣ መረጃው በኢንተርኔት አማካኝነት በአቅራቢያዎ ወደሚገኝ የፊስቡክ ዳታ ማእከል ይላካል። እዚያም Storage Server (የማከማቻ መሣሪያ) ላይ በቋሚነት ያርፋል። ጓደኞችዎ የእርስዎን ፎቶ ማየት የሚችሉት ፌስቡክ ከእነዚህ ማከማቻዎች ላይ አውጥቶ ስላሳያቸው ነው። ​2. የማቀነባበር ሥራ (Processing) ‌​ፎቶው ዝም ብሎ አይቀመጥም፤ የፊስቡክ Compute Servers (የማስያ ኮምፒውተሮች) የሚከተሉትን ስራዎች ይሰራሉ፦ ‌​ፎቶው ላይ ያሉ ሰዎችን ፊት ለይቶ ማወቅ (Face Recognition)። ‌​ፎቶው በፍጥነት እንዲከፈት መጠኑን ማስተካከል። ​3. የደህንነት ጥበቃ ​የእርስዎ የግል መረጃዎች እና የይለፍ ቃላት (Passwords) በዳታ ማእከሉ ውስጥ በጣም call stack

🔥 ChatGPT’s-5.4 pro seems to have made its strongest contribution to math yet. By solving the erdős problem #1196. What makes this especially notable is that the proof is being praised not just for solving the problem, but for introducing an elegant new construction @chalstack_tech

Data Structures Interview Questions with Answers 1. What is a Data Structure?    – Answer: A data structure is a method of organizing and storing data in a way that enables efficient access and modification. For instance, storing student marks can be done in various ways:      ▪ List: Easy to access by index.      ▪ Dictionary: Easy to search by name.    Choosing the appropriate data structure enhances performance and speed. 2. What is the difference between an Array and a Linked List?    – Answer: An array stores elements in contiguous memory locations, allowing for quick access via index. In contrast, a linked list consists of nodes connected by pointers, requiring traversal from the head to access elements.      ▪ Array: marks[2] provides direct access.      ▪ Linked List: Access requires moving node by node.    Arrays offer faster access, while linked lists excel in insertion and deletion operations. 3. What is a Stack?    – Answer: A stack is a data structure that operates on a LIFO (Last In First Out) principle. The last element added is the first one removed.      ▪ Example: Stack = [1, 2, 3]; removing an element yields 3 first.      ▪ Real-world example: Undo operation in applications. 4. What is a Queue?    – Answer: A queue follows the FIFO (First In First Out) principle. The first element added is the first one removed.      ▪ Example: Queue = [1, 2, 3]; removing an element yields 1 first.      ▪ Real-world example: People standing in line. 5. What is a HashMap?    – Answer: A HashMap stores data in key-value pairs, allowing for rapid searching.      ▪ Example: Name → Marks        › Deepak → 90        › Rahul → 85      Instead of searching through a list, you can directly access: marks["Deepak"], making lookups very efficient. 6. What is a Tree?    – Answer: A tree is a hierarchical data structure that organizes data in branches.      ▪ Example:                   A           /          B   C             Used in applications like file systems and organizational charts. 7. What is a Binary Tree?    – Answer: A binary tree is a type of tree where each node has at most two children (left and right).      ▪ Example:                   10           /          5   15             Commonly used in searching and sorting algorithms. 8. What is a Graph?    – Answer: A graph consists of nodes connected by edges.      ▪ Example:               A — B        |   |        C — D             Applications include social networks and navigation systems like Google Maps. 9. What is the difference between Stack and Queue?    – Answer: A stack removes the most recently added element first, while a queue removes the earliest added element first.      ▪ Example: Stack → like a stack of plates; Queue → like a line at a ticket counter. 10. What is Time Complexity?     ▪ Answer: Time complexity measures how the runtime of an algorithm increases with the size of the input.       › Examples:         › Looping through a list: O(n)         › Binary search: O(log n)       Understanding time complexity aids in selecting efficient algorithms. 11. What are BFS and DFS?     – Answer: BFS (Breadth First Search) explores nodes level by level. For example, Level 1 → A, Level 2 → B, C. DFS (Depth First Search) delves deep into one branch before backtracking. For instance, A → B → D → backtrack → C. Both are used in traversing graphs and trees. 12. What is a Heap?     – Answer: A heap is a specialized tree-based structure where:       ▪ Min Heap: The smallest element is at the top.       ▪ Max Heap: The largest element is at the top.       Used in priority queues for scheduling tasks. 13. What is a Trie?     – Answer: A trie is a tree-like structure designed for efficient word searching.      https://t.me/chalstack_tech

🔰 *C++ Roadmap for Beginners 2025* ├── 🧠 Introduction to C++ & How It Works ├── 🧰 Setting Up Environment (IDE, Compiler) ├── 📝 Basic Syntax & Structure ├── 🔢 Variables, Data Types & Constants ├── ➕ Operators (Arithmetic, Relational, Logical, Bitwise) ├── 🔁 Flow Control (if, else, switch) ├── 🔄 Loops (for, while, do...while) ├── 🧩 Functions (Declaration, Definition, Recursion) ├── 📦 Arrays, Strings & Vectors ├── 🧱 Pointers & References ├── 🧮 Dynamic Memory Allocation (new, delete) ├── 🏗 Structures & Unions ├── 🏛 Object-Oriented Programming (Classes, Objects, Inheritance, Polymorphism) ├── 📂 File Handling in C++ ├── ⚠️ Exception Handling ├── 🧠 STL (Standard Template Library - vector, map, set, etc.) ├── 🧪 Mini Projects (Bank System, Student Record, etc.) Like for the detailed explanation ❤️ #c #programming

ናሳ በArtemis II መንኮራኩር የተነሱ አስደናቂ የምድራችንን ፎቶዎች ይፋ አደረገ። ናሳ በአርተሚስ 2 ተልዕኮ ላይ የሚገኙት ጠፈርተኞች በምድር እና በጨረቃ መካከል ያለውን ግማሽ መንገድ ሲያቋርጡ ያነሱዋቸውን የመጀመሪያዎቹን ከፍተኛ ጥራት ያላቸውን የምድራችን ፎቶዎች አጋርቷል። ጠፈርተኛዋ ክሪስቲና ኮክ እንደገለጸችው፣ መንኮራኩሯ ጉዞዋን በጀመረች በሁለት ቀናት ከ5 ሰዓት ከ24 ደቂቃ ውስጥ ይህንን ታሪካዊ ምዕራፍ መድረሷ ሲነገራቸው በጠፈርተኞቹ መካከል ከፍተኛ የደስታ ስሜት ተፈጥሮ ነበር። በምስሉ ላይ ምድር ተገልብጣ የምትታይ ሲሆን በስተግራ በኩል የምዕራብ ሰሃራ እና የአይቤሪያን ልሳነ ምድር፣ በስተቀኝ በኩል ደግሞ የደቡብ አሜሪካ ምስራቃዊ ክፍል ይታያሉ። ናሳ በምስሉ በስተቀኝ ከምድር ግርጌ ላይ የምትታየውን ደማቅ ፕላኔት ቬነስ መሆኗን አረጋግጧል። ናሳ በመግለጫው "ባለፉት 54 ዓመታት ረጅም ርቀት ተጉዘናል። ነገር ግን አንድ ያልተለወጠ ነገር አለ እሱም ቤታችን (ምድር) ከጠፈር ስትታይ አሁንም እጅግ ውብ ናት!" ብሏል። የናሳ መረጃ እንደሚያሳየው በዛሬው እለት የኦራይን (Orion) መንኮራኩር ከምድር 228,500 ኪሎ ሜትር ርቀት ላይ ትገኛለች። በተያዘው ፕሮግራም መሰረት መንኮራኩሯ ሚያዝያ 6 የጨረቃን የጀርባ ክፍል ዞራ በማለፍ ሚያዝያ 10 በፓስፊክ ውቅያኖስ ላይ በማረፍ ወደ ምድር ትመለሳለች ተብሎ ይጠበቃል። ፎቶዎችን በፋይል ቻናላችን ላይ ማየት ትችላላችሁ። https://t.me/chalstack_tech

🎓Students Rent AI Glasses to Cheat In China, students are renting smart glasses for $6–$12 a day, a booming rental market has emerged around the devices. For instance, gadgets from Rokid or Alibaba can be controlled discreetly with a ring-shaped remote: the glasses scan questions and display answers directly on the lens. Models without a display, like the first-generation Ray-Bans, can be used as covert earpieces—the glasses transmit test questions via video call, while an accomplice feeds the answers. ❗️ Smart glasses are officially banned from college entrance exams in China, but they're hard to spot, many models look just like ordinary glasses. Users report issues like overheating and short battery life. https://t.me/chalstack_tech