https://sudonull.com/backdoor-in-wait4-linux-kernel-vulnerability
Analysis of a real backdoor in the Linux kernel from 2003: how an assignment error in wait4() opened root access. Lessons for developers: code review, Git, fuzzing. Study the details of the attack.
https://sudonull.com/backdoor-in-wordpress-plugins-c2-in-ethereum
Breakdown of attack on 30+ WP plugins: PHP deserialization, cloaking spam, persistent C2 in smart contract. Cleanup checklist and supply-chain protection. Check your site now.
https://sudonull.com/malicious-advertising-of-it-utilities-smokedham-and-qilin-attack
Learn how hackers distribute the SmokedHam backdoor and Qilin ransomware through malicious ads in search engines. Protection methods and analysis of the UNC2465 campaign.
https://sudonull.com/malicious-npm-package-steals-polymarket-bots-keys
Learn about the attack via the sleek-pretty package in npm: theft of API keys and SSH backdoors for Polymarket developers. How to protect bots and wallets — read the risk analysis and recommendations.
Discover how to learn Python for beginners with this step-by-step roadmap. Master fundamentals, data structures, and build real projects. Start your coding journey today.
JavaScript vs Python which is better for you? Compare ease of learning, salaries, use cases, and career paths to choose the right first language in 2026. Start now.
Learn what are the ethical concerns in artificial intelligence, from bias to job loss. Backed by research, this guide offers a practical framework for evaluation.
Learn what are data structures and why they are important for efficient software. Discover types, real-world impact, and how they shape modern computing.
Learn what is object oriented programming, its four pillars, real-world examples, and why it matters for building scalable, maintainable software. Start mastering OOP today.
Compare REST API vs GraphQL side-by-side. Learn which architecture fits your project with data on performance, caching, cost, and scalability. Make the right choice.
Learn how to implement JWT authentication securely in your web API. This complete guide covers token issuance, validation, best practices, and production security.
Learn how to build an AI agent with LangChain in this step-by-step tutorial. Set up tools, integrate LLMs, and create autonomous agents with memory.
Learn how to reduce hallucination in LLMs with 7 proven techniques from peer-reviewed research. Boost accuracy and reliability in your AI applications today.
MongoDB vs PostgreSQL when to use each: compare ACID compliance, scalability, schema flexibility, and query power. Choose the right database for your project.