Cloud, Azure &amp; Cost

MGMohamed Ghassen BrahimMay 14, 20268 min read

The Migration That Took Down an Insurer for 9 Hours (And the 3 Missed Checks)

A routine cloud migration became a nine-hour outage at an insurer because of three checks that collectively take an hour to run. Here's what they were.

Cloud, Azure & CostdiagramNew

I Audited 25 Azure Bills. Here's Where the Money Actually Leaks.

After auditing dozens of Azure bills across enterprises and scaleups, the same five line items account for most of the waste. Here's what to look for first.

MGMohamed Ghassen BrahimMay 11, 20269 min read

MGMohamed Ghassen BrahimMay 4, 202610 min read

Event-Driven Architecture: When and How to Use It

Event-driven architecture enables loose coupling, scalability, and real-time processing. Here are the patterns, the technology choices, and the honest assessment of when EDA is the right choice — and when it's overkill.

MGMohamed Ghassen BrahimMay 4, 202611 min read

Multi-Tenant Architecture: Design Patterns for SaaS at Scale

Multi-tenancy is the foundation of SaaS economics. Here are the isolation models, the trade-offs, the noisy neighbor problem, and how to design multi-tenant architecture that scales without compromising security.

MGMohamed Ghassen BrahimMay 3, 202610 min read

Enterprise Application Modernization: Beyond Lift-and-Shift

Lift-and-shift is not modernization — it's migration. Real modernization transforms applications to be cloud-native, maintainable, and scalable. Here's the assessment framework, the modernization spectrum, and how to prioritize.

Security & ComplianceNew

Azure Cloud Security: Hardening Your Microsoft Environment

A practical guide to hardening Azure environments — Entra ID, network security, data protection, monitoring with Sentinel, and the top 10 Azure security mistakes to avoid.

MGMohamed Ghassen BrahimMay 1, 202611 min read

Security & ComplianceNew

Cloud Security Architecture for Regulated Industries

A comprehensive guide to cloud security architecture for healthcare, finance, insurance, and energy — covering the shared responsibility model, encryption, identity, network security, and compliance mapping.

MGMohamed Ghassen BrahimApril 29, 202611 min read

MGMohamed Ghassen BrahimApril 28, 202610 min read

Serverless Architecture Patterns: When (and When Not) to Go Serverless

Serverless is powerful for the right workloads and expensive for the wrong ones. Here are the patterns that work, the cost reality, and a clear framework for deciding when serverless makes sense.

MGMohamed Ghassen BrahimApril 27, 202610 min read

Microsoft Fabric Architecture: The Unified Analytics Platform

Microsoft Fabric unifies data engineering, data science, real-time analytics, and business intelligence in a single platform. Here's the architecture, when to use it, and how it changes your Azure data strategy.

MGMohamed Ghassen BrahimApril 26, 202610 min read

Hybrid Cloud Architecture: When Multi-Cloud Makes Sense

Hybrid cloud is the reality for most enterprises. Here's when it makes sense, when it doesn't, the architecture patterns that work, and how to avoid the expensive trap of multi-cloud for its own sake.

MGMohamed Ghassen BrahimApril 25, 202610 min read

Cloud-Native Architecture: Principles That Actually Scale

Cloud-native isn't just 'runs in the cloud.' It's a set of architectural principles that enable scalability, resilience, and velocity. Here are the principles that matter — and the anti-patterns to avoid.

MGMohamed Ghassen BrahimApril 24, 202611 min read

Azure vs AWS for Enterprise: An Honest Comparison

An unbiased comparison of Azure and AWS for enterprise workloads — compute, data, AI, security, identity, pricing, and hybrid. Based on real experience with both platforms.

Security & Compliance

Azure Landing Zone Architecture: Enterprise-Scale Design Patterns

Azure Landing Zones provide the foundation for enterprise cloud adoption. Here's the architecture — management groups, networking, identity, governance, and security — with practical design patterns.

MGMohamed Ghassen BrahimApril 23, 202611 min read

MGMohamed Ghassen BrahimApril 19, 20269 min read

The Vendor Lock-In That Cost More to Escape Than to Endure

Lock-in is not always the enemy. Sometimes the exit costs more than staying ever would. Here's how to calculate which situation you're actually in.

AI & Machine Learning

AI Cost Optimization: Taming Your LLM Infrastructure Spend

LLM costs spiral fast — token pricing, GPU compute, fine-tuning, and inference add up. Here's how to cut your AI infrastructure bill by 50-70% without sacrificing quality.

MGMohamed Ghassen BrahimApril 16, 202610 min read

MGMohamed Ghassen BrahimApril 16, 20269 min read

How I Cut a Cloud Bill 38% Without Turning Anything Off

You can take a third off most cloud bills before you ever touch what is actually running. Here's the exact playbook — no downtime, no architecture changes.

MGMohamed Ghassen BrahimApril 13, 20268 min read

The On-Call Rotation That Stopped My Best People From Quitting

On-call is where good engineers quietly decide to leave. It doesn't have to be. Here's the rotation redesign that changed the calculus for the teams I've led.

MGMohamed Ghassen BrahimApril 4, 202610 min read

How Long Does a Cloud Migration Really Take? Data From 20 of Them.

Migration timelines are routinely off by 2–3x. Here's what twenty real cloud migrations actually took — and what drove the variance.

MGMohamed Ghassen BrahimApril 4, 202610 min read

Kubernetes Is the Most Expensive Way to Run 3 Containers

If you're running a handful of services, Kubernetes is costing you more in people than it saves in infrastructure. Here's how to decide when K8s earns its keep — and when it doesn't.

MGMohamed Ghassen BrahimApril 1, 20269 min read

How to Translate "Tech Debt" Into a Number Your CFO Will Fund

CFOs don't fund 'tech debt.' They fund risk and cost with numbers attached. Here's how to build the financial case that actually gets approved.

Security & Compliancediagram

How a Single Misconfigured Blob Exposed 2M Records

One wrong access setting on one storage container is all it takes to become a breach headline. Here's what actually happens, and how to stop it.

MGMohamed Ghassen BrahimMarch 18, 20268 min read

MGMohamed Ghassen BrahimMarch 15, 20268 min read

The €40k/Month Azure Mistake 4 Out of 5 Scaleups Are Making

One default setting quietly turns a reasonable Azure cloud bill into a five-figure monthly mistake. Here's what it is, why it happens, and how to stop it.

Security & Compliance

Secrets Management Done Right: Eliminating Hardcoded Credentials

Secrets management failures cause more breaches than any other vector. Here's the practitioner framework for eliminating hardcoded credentials for good.

MGMohamed Ghassen BrahimMarch 10, 20269 min read

MGMohamed Ghassen BrahimMarch 9, 20269 min read

Multi-Cloud Is a Resume-Driven Architecture

Most multi-cloud setups solve a problem the company does not have, at a cost it cannot see. Here's what the real trade-offs look like.

MGMohamed Ghassen BrahimMarch 6, 202611 min read

Multi-Region Azure Architecture: Building for High Availability and Disaster Recovery

Single-region Azure deployments are vulnerable to regional outages. Here's how to design multi-region architectures that survive failures — and the cost/complexity trade-offs that determine which approach is right for you.

MGMohamed Ghassen BrahimFebruary 20, 202610 min read

Engineering Salaries vs Outcomes: The Chart That Ends the Headcount Debate

More engineers is not more output. Here is the curve that proves it, why it happens, and what high-performing engineering organisations do instead.

AI & Machine Learningdiagram

Your AI Feature Costs €0.04 a Call. At 2M Calls It's a Budget Crisis.

Per-call LLM economics look trivial in a demo and become existential at scale. Here is how to read the unit economics before they read you.

MGMohamed Ghassen BrahimFebruary 14, 20269 min read

AI & Machine Learningdiagram

The "GPU Tax": Why Your LLM Infra Bill Doubles Every Quarter

LLM infrastructure costs compound in ways traditional cloud spend never did. Here's the compounding math, the four drivers, and how to stop the bleed.

MGMohamed Ghassen BrahimJanuary 19, 20269 min read

MGMohamed Ghassen BrahimJanuary 13, 20269 min read

The Real Cost of a "Free" Open-Source Stack: A 12-Month TCO Breakdown

Open source is free like a puppy is free. Here is the 12-month total cost of ownership nobody budgets for when choosing an open-source stack.

MGMohamed Ghassen BrahimJanuary 10, 202611 min read

How to Choose the Right Cloud Migration Strategy for Your Business

The 6 R's of cloud migration — Rehost, Replatform, Refactor, Repurchase, Retire, Retain — explained with a decision framework, migration wave planning, and practical guidance on when to use each one.

Security & Compliance

GDPR and Cloud Architecture: How to Build Privacy by Design

Most companies treat GDPR as a legal problem. It's actually an architecture problem. Here's how to embed data protection into your cloud design from day one — not retrofit it under pressure.

MGMohamed Ghassen BrahimDecember 10, 202510 min read

MGMohamed Ghassen BrahimOctober 15, 202510 min read

Legacy Modernisation Without the Big Bang: The Strangler Fig Pattern at Scale

Rewriting a legacy system from scratch is one of the most dangerous projects a technology organisation can attempt. Here's how to modernise incrementally — safely, continuously, and without betting the business on a single rewrite.

MGMohamed Ghassen BrahimAugust 6, 202512 min read

AKS in Production: Architecture Patterns for Reliable, Secure Kubernetes on Azure

Running Kubernetes in a proof of concept is very different from running it in production. Here's the architecture, security, and operational patterns that separate reliable AKS deployments from ones that page you at 3am.

MGMohamed Ghassen BrahimJuly 9, 202510 min read

FinOps in Practice: How to Cut Your Azure Bill by 40% Without Reducing Performance

Cloud waste is endemic. The average organisation wastes 32% of its cloud spend. Here's a systematic, category-by-category approach to reclaiming it — without touching a single business feature.