Article
Node.js Memory Leak Debugging with Heap Snapshots
Heap snapshots are one of the most reliable ways to debug Node.js memory leaks when memory growth is caused by retained objects rather than transient load. This article …
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Article
Article
Python Multiprocessing: Avoid Deadlocks in Concurrent Code
Python multiprocessing can improve throughput, but it also introduces deadlock risks that are easy to miss in production. This article explains the most common causes, how to recognize …
Article
Secure C# Logging with Structured Serilog and Correlation IDs
Secure logging in C# is not just about formatting output. Learn how structured Serilog events and correlation IDs improve traceability while reducing sensitive data exposure.
Article
MySQL Deadlock Troubleshooting: Detect, Diagnose, Resolve
MySQL deadlocks are usually a concurrency design issue, not a mysterious database failure. Learn how to detect them, capture evidence, identify the transaction pattern, and choose safe fixes …
Article
DNS Cache Poisoning Detection and Mitigation Techniques
DNS cache poisoning can silently redirect users and services by corrupting resolver answers. This article shows how to detect suspicious resolver behavior, validate exposure, and apply mitigations that …
Article
Securing ASP.NET Core APIs with JWT Authentication and Claims Validation
JWT authentication can secure ASP.NET Core APIs only when token validation, issuer checks, audience checks, and claims rules are enforced correctly. This article explains how the approach works, …
How-To Guide
How to Harden Windows Server 2022 with Baseline Security Settings
Use this practical baseline to harden Windows Server 2022 with the minimum controls that matter first: identity, policy, logging, network exposure, and validation. The guide includes exact steps, …
FAQ
NoSQL Database Security FAQ: Common Risks and Best Practices
A practical FAQ on NoSQL database security covering the most common risks, the controls that matter, and the checks to run before production use.
Checklist
Python Security Checklist for Safe File and Data Handling
A practical checklist for reviewing Python file and data handling before production. Verify input validation, path safety, serialization controls, logging, permissions, and rollback criteria.