The Tech Lead – Engineering, Cybersecurity & AI Blog

Engineering is more than writing code. It is about understanding how systems are designed, built, and connected – from programming languages, software architecture to operating systems, networks, hardware, and the infrastructure beneath them. Explore the principles, technologies, and practical knowledge that help engineers build reliable systems and understand what really happens underneath the code.

What is WebView and Compliance Concerns around WebView

What is a WebView, how do hybrid apps use it, and which PCI DSS, GDPR and HIPAA risks does it …

What Makes Social Networks Addictive? And What We Can Learn For Software Development.

Infinite scroll, variable rewards and notifications are built to keep you scrolling. How social networks hook users, and what developers …

9 Reasons Why You Never Hit Your Goals (And What Actually Works)

Why do most goals fail? Nine reasons behind abandoned goals, from vague targets to broken feedback loops, and the habits …

What is Smart Contract?

What is a smart contract, explained without blockchain jargon: how self-executing code replaces trust, where it is useful, and the …

How To Save $99/Year When Building iOS app

Skip the $99 Apple Developer fee: build a Progressive Web App that users install on the iPhone home screen. How …

How To Compete With Generative AI As A Software Engineer ?

Generative AI writes code fast, but not judgement. Learn the engineering skills AI cannot replace and how to build a …

What Is Refactor And Why Is It Matter ?

What is refactoring and why change code that already works? How refactoring reduces bugs and cost, when to do it, …

How To Avoid Merge Conflicts In Software Development

Merge conflicts waste development time. Learn why they happen, how branching habits and small commits prevent them, and how to …

Merge VS Rebase: Which Is Better ?

Merge or rebase? Compare how each shapes your Git history, the risks of rewriting commits, and why merge is often …

Store DateTime as ISO 8601 Instead Of Timestamp

Why store dates as ISO 8601 instead of Unix timestamps? Time zones, readability and debugging, with practical advice for databases, …

Why Knowing One Programming Language Is Not Enough ?

Is a second programming language worth your time? How different languages shape the way you solve problems, and why one-language …

Microservices Tradeoffs and Design Patterns

The real tradeoffs of microservices and the design patterns that handle them: API gateway, service discovery, saga, circuit breaker and …

Read more at: Software Engineering

Cybersecurity – Secure What You Build

Security is not something added after a system is built. It is part of engineering from the beginning. Learn how software, networks, operating systems, devices, and infrastructure can fail or be attacked — and how engineers can design, build, and defend them more effectively. Go beyond running security tools to understand what you are protecting.

Supply-Chain Attack: Open-Source Contributors Are Also Targeted By Hackers

How Hackers Target Developers in Supply Chain Attacks

Log4Shell – How a Logger Opened a Serious Security Flaw

How a Logger Opened a Serious Security Flaw

You can be extorted just by opening an attachment

How does ransomware get in and encrypt everything? Learn how an email attachment starts an extortion attack, and the backup …

You Can Be Hacked Just By Watching An .AVI Video!

A heap overflow in the FFmpeg MagicYUV decoder lets a crafted AVI file run code when you play it in …

MOVEit Was Hacked Badly And What We Can Learn From That

1 mistake, 10 millions data records exposed

NGINX can be hacked if you configure it like this

Learn about a Zero Day security flaw discovered in a most popular web server technology

AsyncRAT: From Open-Source Project to Cybercriminal Toolkit (and what we can learn from that)

Understanding a Popular Trojan

AssuranceAmerica was hacked and what we can learn from that ?

Lessons from the Theft of ~7 Million Customers' Information, Including Their SSNs.

Langflow 1.8 was hacked and what can we learn from that ?

How was Langflow Hacked?

Prompt Injection Attacks: How can AI Systems be Manipulated

Learn why AI is also an attack surface

Scam Detection: 12 Camouflage Techniques That Scam Websites Often Use

Learn How Scam Websites Hide from Security Scanners

High-Tech Scam Techniques – How Modern Scammers Trick You

How to Spot a high-tech scam ?

Read more at: Cybersecurity

Artificial Intelligence – Keep It Evolving

AI is changing how software is built, how engineers work, and how technology evolves. Explore AI from the perspective of an engineer, from LLMs, AI applications, and agents to models, GPUs, AI infrastructure, and the systems underneath them. Understand not only how to use AI, but how it works, how it changes engineering, and how engineers can evolve with it.

“Attention is all you need” – Paper Explained

The paper behind ChatGPT and Gemini, explained step by step: self-attention, queries, keys and values, and how the Transformer architecture …

AI Energy Consumption: The Hidden Cost Behind Artificial Intelligence

Learn about how much electricity AI is consuming

How To Compete Against AI As A Content Creator ?

AI can produce endless average content. Learn what writing AI cannot copy, from lived experience to original research, and how …

Prompt Injection Attacks: How can AI Systems be Manipulated

Learn why AI is also an attack surface

AI Overuse: Risks, Consequences, and How To Avoid AI Dependency

Side Effects Of Using AI Too Much

AI Prerequisites: What You Need to Know Before Learning LLMs

What Do You Need to Know Before Learning LLMs?