Conciptual Ltd — JournalConciptual Ltd is a UK-based technology company delivering full-stack web development, software engineering, cloud architecture, process automation and digital marketing solutions.https://conciptual.co.uk/enPHP2Shell: Critical Remote Code Execution Vulnerability (CVSS 9.2) and How to Mitigate Ithttps://conciptual.co.uk/journal/php2shell-vulnerability-analysis/https://conciptual.co.uk/journal/php2shell-vulnerability-analysis/Two critical vulnerabilities (CVSS 9.2) in PHP allow unauthenticated remote code execution across versions back to PHP 5. Here is the technical breakdown, immediate mitigations, and upgrade roadmap.Fri, 23 Oct 2026 00:00:00 GMTEngineeringPHPcybersecurityvulnerabilitydevopscloud architectureRCEConciptual LtdFive cloud architecture decisions you will regret making in a hurryhttps://conciptual.co.uk/journal/cloud-architecture-decisions/https://conciptual.co.uk/journal/cloud-architecture-decisions/The infrastructure choices that seem fine at launch and become expensive problems at scale — and how to make them correctly the first time.Fri, 16 Oct 2026 00:00:00 GMTProductcloudAWSarchitectureinfrastructureConciptual LtdHow to identify which business processes are worth automatinghttps://conciptual.co.uk/journal/which-processes-to-automate/https://conciptual.co.uk/journal/which-processes-to-automate/Not every manual process should be automated. A practical framework for deciding where automation will pay for itself and where it will create new problems.Fri, 09 Oct 2026 00:00:00 GMTProductautomationprocessoperationsefficiencyConciptual LtdSEO is not enough anymore — what AEO and GEO mean for your visibilityhttps://conciptual.co.uk/journal/aeo-geo-explained/https://conciptual.co.uk/journal/aeo-geo-explained/AI-powered search is changing where answers come from. Here is what Answer Engine Optimisation and Generative Engine Optimisation mean in practice, and what to do about them.Fri, 02 Oct 2026 00:00:00 GMTBrandSEOAEOGEOAI searchdigital marketingConciptual LtdChoosing a tech stack for a new web application in 2026https://conciptual.co.uk/journal/choosing-tech-stack-2025/https://conciptual.co.uk/journal/choosing-tech-stack-2025/The questions that should drive your technology choices — and why the answer is almost never the framework that launched last month.Fri, 25 Sep 2026 00:00:00 GMTProductfull-stackdevelopmentarchitectureReactNext.jsConciptual LtdThe Google Ads mistakes that quietly drain your budgethttps://conciptual.co.uk/journal/google-ads-mistakes/https://conciptual.co.uk/journal/google-ads-mistakes/The structural and strategic errors that cause most Google Ads accounts to underperform — and what to fix first.Fri, 18 Sep 2026 00:00:00 GMTBrandGoogle AdsPPCdigital marketingpaid searchConciptual LtdWhy most SaaS companies fix the wrong growth problemhttps://conciptual.co.uk/journal/saas-growth-problems/https://conciptual.co.uk/journal/saas-growth-problems/Acquisition gets the attention and the budget. Activation and retention are where most SaaS growth is actually lost — and where the highest-leverage fixes are.Fri, 11 Sep 2026 00:00:00 GMTProductgrowth hackingSaaSretentionactivationchurnConciptual Ltd