Article
How to Harden CentOS 8 SSH Access with Key Authentication
Key authentication is one of the most effective ways to harden SSH on CentOS 8, but only when it is implemented and validated correctly. This article explains the …
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Article
Tutorial
How to Secure AWS EC2 Instances with IAM Roles and Security Groups
Learn how to secure EC2 instances by replacing static credentials with IAM roles and tightening network exposure with security groups. This tutorial covers prerequisites, implementation, validation, and operational …
Tutorial
Oracle Privilege Escalation Detection with Unified Audit Trails
Learn how to use unified audit trails to detect Oracle privilege escalation events, validate the evidence you collect, and operationalize alerts for investigation.
Article
Detecting Active Directory DCSync Attacks with Event Logs
DCSync abuse is often visible only in the right security telemetry. This article explains which event logs matter, how to correlate them, and how to decide whether your …
Article
Hardening Node.js Apps with Secure Dependency Management
Node.js dependency risk is now a production concern, not a build-time nuisance. This article explains how secure dependency management reduces supply-chain exposure, how to evaluate package trust, and …
Article
How to Audit Active Directory Permissions for Excess Access
Excessive permissions in Active Directory often hide in delegated admin rights, nested group membership, and inherited ACEs. This article shows how to audit effective access, spot the patterns …
Tutorial
Windows Server 2025 Hardening: Disable Legacy Protocols and Services
Legacy protocols and unused services are common attack paths on server builds. This tutorial shows how to identify what to disable, apply changes safely, validate dependencies, and confirm …
Article
Optimize Azure Virtual Machines with Right-Sizing and Autoscaling
Azure VM right-sizing and autoscaling can reduce waste without sacrificing performance, but only when CPU, memory, storage, and scaling signals are validated against real workload behavior. This article …