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CORE BLOG

Technology, Architecture, AI, DevOps & Security

Practical articles from real projects. From enterprise architecture to AI agents — we share what works in production.

510

Articles

8

FEATURED ARTICLES

Featured ai

AI in HR and IT talent acquisition in 2026

How AI is changing IT talent acquisition in 2026 — from CV screening to retention prediction. A practical view for...

How AI is changing software development in 2026

A practical look at how AI tools are changing the work of developers and CTOs in 2026. What actually works, what are...

Enterprise AI Copilot — From Prototype to Production

How to build a custom AI Copilot for enterprise in 2026. A complete guide covering architecture, RAG pipeline,...

AI Agent Security in Enterprise Environment 2026

How to secure AI agents in enterprise environment — prompt injection, data exfiltration, supply chain risks and...

01. 01. 2020ai

How AI is Changing Cybersecurity in 2026 | CORE SYSTEMS

Comprehensive overview of how artificial intelligence is transforming cybersecurity in 2026. Analysis of trends,...

31. 12. 2019ai

IT Operations Automation with AI Agents — Practical Guide 2026

How AI agents are transforming IT operations in 2026. AIOps, autonomous remediation, observability-driven automation...

30. 12. 2019ai

Monitoring AI Agents in Production — What to Monitor and Why

AI agents in production fail silently. Hallucinations, loops, skipped steps — classic uptime monitoring won't catch...

18. 12. 2019cloud

Year 2019 — A Recap of Our Cloud and Kubernetes Journey

From our first Kubernetes cluster to a multi-cloud enterprise platform. What we learned in three years of cloud...

04. 12. 2019data

Apache Flink — Stream Processing for Real-Time Analytics

Kafka for messaging, Flink for processing. How we built a real-time analytics pipeline for an e-commerce client.

20. 11. 2019ai

Compliance as Code — OPA Gatekeeper in Kubernetes

Manual compliance audits are slow and unreliable. Open Policy Agent automates security policy enforcement.

06. 11. 2019data

StatefulSets in Production — PostgreSQL & Elasticsearch on K8s

Two years of running stateful workloads on Kubernetes. Lessons learned from production PostgreSQL and Elasticsearch.

23. 10. 2019ai

Terraform Modules — Best Practices for Enterprise

After two years with Terraform, we've developed patterns for modular, testable, and secure infrastructure.

09. 10. 2019ai

Incident Management with PagerDuty — From Chaos to Process

When production goes down on a Sunday night, who handles it? How we implemented formal incident management with PagerDuty.

25. 09. 2019cloud

Azure Functions — Serverless for .NET Enterprise

For clients in the Azure ecosystem, Azure Functions are a natural choice for serverless. Our experience with...

11. 09. 2019security

Zero Trust — The End of Perimeter Security

VPN and firewalls aren't enough. The Zero Trust model assumes the attacker is already inside the network. How we're...

09. 09. 2019ai

GitOps with Flux — Git as the Single Source of Truth

Implementing GitOps with Flux CD for Kubernetes. Declarative infrastructure, automatic reconciliation, and rollback.

21. 08. 2019cloud

FinOps — How We Reduced Cloud Costs by 40%

The cloud bill was growing faster than the business. How we implemented FinOps practices and optimized AWS spending.

07. 08. 2019cloud

Spinnaker — Advanced Deployment Strategies

Canary deployments, blue-green, automated rollback. Spinnaker from Netflix brings enterprise-grade continuous delivery.

17. 07. 2019ai

DevSecOps — Security in Every Step of the CI/CD Pipeline

Security as an afterthought is expensive. How we integrated SAST, DAST, dependency scanning, and compliance checks...

10. 07. 2019ai

Kubernetes 1.15 — Custom Resources and Extensibility

Kubernetes 1.15 brings CRD improvements, cluster lifecycle stability, and further steps toward an extensible platform.

19. 06. 2019ai

Thanos — Long-Term Storage and HA for Prometheus

Prometheus is great for short-term metrics. But what about retention over months and HA across clusters? Thanos solves that.

12. 06. 2019ai

Cloud Migration — A Strategy That Works

Lift-and-shift, re-platform, re-architect? How we migrated a client system to the cloud without disaster.

29. 05. 2019cloud

Multi-Cloud — Strategy or Illusion?

Everyone talks about multi-cloud. But does it really make sense to run applications on both AWS and Azure...