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Cloud Journal

Cloud Journal

Practical, provider-accurate writing on cloud infrastructure, developer workflows, security fundamentals and the decisions behind choosing a cloud.

All topics AI Infrastructure Cloud Fundamentals Cloud Migration Developer Workflows DevOps & Automation Infrastructure & Networking Provider Guides Security Fundamentals Startups & Business Storage & Data
Checklist of hardening steps applied to a newly provisioned cloud server
Security Fundamentals

Securing a New Cloud Server: The First Hour Checklist

New virtual machines are scanned within minutes of getting a public address. This phased walkthrough covers the hardening decisions that matter in the first hour, from key based login and firewall layers to automatic patching and off box logging.

5 min read
Layered diagram showing platform firewall, subnet filter, host firewall and application filtering
Security Fundamentals

Cloud Firewalls and Security Groups Explained

Security groups, network security groups, VPC firewall rules and cloud firewalls are the same idea with different names. This guide…

6 min read