--- title: "Marc Newstead (@icentric) | Hashnode" description: "creating apps whether you need them or not. Read the latest articles by Marc Newstead on Hashnode." url: "https://hashnode.com/@icentric" --- @icentric # Marc Newstead @icentric · London, UK · Joined May 2026 creating apps whether you need them or not ### [Fake CVEs and What They Tell You About Your Security Process](https://icentric-ai-and-automation.hashnode.dev/fake-cves-and-what-they-tell-you-about-your-security-process?utm_source=hashnode&utm_medium=feed) The Problem With Panic-Driven Security Last month, a CVE identifier for a supposedly critical PHP vulnerability made the rounds on Twitter and security forums. Teams scrambled. Slack channels lit up. 4 min read · [icentric-ai-and-automation.hashnode.dev](https://icentric-ai-and-automation.hashnode.dev/fake-cves-and-what-they-tell-you-about-your-security-process?utm_source=hashnode&utm_medium=feed) [2d ago](https://hashnode.com/posts/fake-cves-and-what-they-tell-you-about-your-security-process/6af18d178776edde207eb203) ### [Building Stateful AI Agents: What MCP Changes for Developers](https://icentric-ai-and-automation.hashnode.dev/building-stateful-ai-agents-what-mcp-changes-for-developers?utm_source=hashnode&utm_medium=feed) Building Stateful AI Agents: What MCP Changes for Developers If you've been building AI-powered tools lately, you've probably hit the same wall I have: context fragmentation. Your LLM can reason brill 4 min read · [icentric-ai-and-automation.hashnode.dev](https://icentric-ai-and-automation.hashnode.dev/building-stateful-ai-agents-what-mcp-changes-for-developers?utm_source=hashnode&utm_medium=feed) [2d ago](https://hashnode.com/posts/building-stateful-ai-agents-what-mcp-changes-for-developers/6af18c7e8776edde207d5e69) ### [Why MCP Changes the Game for AI-Driven Outreach Infrastructure](https://icentric-ai-and-automation.hashnode.dev/why-mcp-changes-the-game-for-ai-driven-outreach-infrastructure?utm_source=hashnode&utm_medium=feed) The Problem With Building Outreach Tooling Today If you've ever built or maintained an outreach stack—whether for sales, partnerships, or recruitment—you know the pattern. You start with a CRM. Then y 4 min read · [icentric-ai-and-automation.hashnode.dev](https://icentric-ai-and-automation.hashnode.dev/why-mcp-changes-the-game-for-ai-driven-outreach-infrastructure?utm_source=hashnode&utm_medium=feed) [Nov 2](https://hashnode.com/posts/why-mcp-changes-the-game-for-ai-driven-outreach-infrastructure/6ae852866db4ced751848725) ### [Treating CVEs Like Pull Requests: Why Vulnerability Triage Needs Code Review Discipline](https://icentric-ai-and-automation.hashnode.dev/treating-cves-like-pull-requests-why-vulnerability-triage-needs-code-review-discipline?utm_source=hashnode&utm_medium=feed) The Trust Problem in Vulnerability Management We've built entire workflows around not trusting external input. We sanitise database queries, validate API payloads, and treat user-submitted data as hos 4 min read · [icentric-ai-and-automation.hashnode.dev](https://icentric-ai-and-automation.hashnode.dev/treating-cves-like-pull-requests-why-vulnerability-triage-needs-code-review-discipline?utm_source=hashnode&utm_medium=feed) [Nov 2](https://hashnode.com/posts/treating-cves-like-pull-requests-why-vulnerability-triage-needs-code-review-discipline/6ae851e2e8cb290ab56273ac) ### [Why I'm Moving Production AI Workloads Off Third-Party APIs](https://icentric-ai-and-automation.hashnode.dev/why-im-moving-production-ai-workloads-off-third-party-apis?utm_source=hashnode&utm_medium=feed) Why I'm Moving Production AI Workloads Off Third-Party APIs Six months ago, our team was comfortably spending £3k/month on OpenAI API calls. Last month, that figure hit £18k. The trajectory was clear: 4 min read · [icentric-ai-and-automation.hashnode.dev](https://icentric-ai-and-automation.hashnode.dev/why-im-moving-production-ai-workloads-off-third-party-apis?utm_source=hashnode&utm_medium=feed) [Oct 26](https://hashnode.com/posts/why-im-moving-production-ai-workloads-off-third-party-apis/6adf17c9bdd8d48033dd8248)