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Building a Distributed TLS Expiry Scanner
Latest Report14/07/2026

Building a Distributed TLS Expiry Scanner

How Redis Streams, per-CIDR rate limiting, and OCSP fallback logic keep a distributed TLS expiry scanner accurate across tens of thousands of hosts.

Kubernetes
Docker
Istio
React
Next.js
GraphQL
TypeScript
Go
Rust
Terraform
AWS
eBPF
Chaos Engineering
Zero Trust
Service Mesh
CI/CD
Prometheus
Grafana
Node.js
Redis
Kafka
PostgreSQL
Kubernetes
Docker
Istio
React
Next.js
GraphQL
TypeScript
Go
Rust
Terraform
AWS
eBPF
Chaos Engineering
Zero Trust
Service Mesh
CI/CD
Prometheus
Grafana
Node.js
Redis
Kafka
PostgreSQL
Part 5: Enforcing Authorisation Boundaries for Agents
Author
Eleanor Hayes
Fixing UEFI Secure Boot Chain-of-Trust Failures
Author
Alistair Vance

Systems Operational

All CI/CD pipelines and production clusters are running nominally.

1,204
Req / Sec
14ms
Latency
tail -f /var/log/deployments.log
[System] Connection established to remote host.
[System] Listening for incoming technical documentation...
Fixing Streaming SSR Backpressure in Node.js
Author
Alistair Vance

Graduate Track // latest tutorials

Build production confidence from day one

Practical enterprise runbooks for graduates and junior engineers—clearly separated from KBY’s senior editorial stream.

Open Graduate Track
New in KBY Arcade

Your next incident is one click away.

Route a live packet through a collapsing production network. Runs take seconds, difficulty never stops rising, and your best score stays on this device.

One-button controls Local high score
Play Uptime Run
Prod // eu-west-1Packets 0042
Click to route packet

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The Editorial Team

Written by Staff Engineers.

Our content is authored by industry veterans who have built, scaled, and maintained Tier-1 production systems. Real experience, zero fluff.

Alistair Vance

Alistair Vance

Principal Infrastructure Engineer

Ex-AWS Solutions Architect. Specialises in multi-region Kubernetes deployments, Service Mesh (Istio), and high-availability database topologies.

Eleanor Hayes

Eleanor Hayes

Head of Cloud Security

Pioneer in Zero-Trust architecture. Eleanor focuses on eBPF-based network observability, secret management, and automated compliance in CI/CD pipelines.

Marcus Thorne

Marcus Thorne

Lead DevOps Engineer

Chaos Engineering advocate. Marcus builds resilient GitOps workflows using ArgoCD and writes extensively on automated incident response strategies.

Technical Strategy

Leveraging the Latest Technologies in Software Development

Engineering for scale requires embracing modern paradigms. We provide deep technical insights into digital transformation consulting and enterprise application development. Discover robust cloud solutions and platform engineering services designed to modernise your infrastructure, streamline your CI/CD pipelines, and ensure zero-trust security operations.

Cloud Solutions

Explore advanced cloud solutions and distributed systems. We cover highly-available, multi-region database topologies, consensus algorithms, and enterprise application development strategies for the modern web.

Platform Engineering

Deep dives into platform engineering services, Kubernetes cluster lifecycle management, and GitOps workflows utilizing ArgoCD. Learn how the latest technologies drive cloud-native operations.

Digital Transformation

Strategic insights drawn from digital transformation consulting. We focus on implementing Zero-Trust network architectures, eBPF network observability, and full-stack monitoring to securely scale enterprise environments.