Rajesh Kumar đ Introducing the World of OWASP and the OWASP Top Ten A full, comprehensive, trainer-ready, industry-grade tutorial. This covers all topics you asked, plus several additional sections I added that are essential for a complete OWASP foundation. 1. Introduction to OWASP 1.1 What is OWASP? The Open Worldwide Application Security Project (OWASP) is a global, … Read more
EKS ACCESS CONTROL BLUEPRINT â COMPLETE 13-LAYER ACL FRAMEWORK (2025 Edition) A single-page, production-ready guide for implementing ACLs across VPC, ALB, Kubernetes, and AWS APIs. This blueprint covers every layer where access can be allowed, denied, restricted, or authenticated in an EKS Full Auto Mode cluster fronted by AWS ALB. 1. AWS Network ACLs (Subnet-Level … Read more
0) What Tailscale Is (30-second refresher) 1) Tailnet Basics (org vs personal) Privacy lever (local):To block all inbound connections to your device while staying online: (Works on macOS/Linux CLI; on Windows/macOS you can also toggle via the app UI.) 2) Install Tailscale (per OS) Windows 10/11 macOS (App + CLI) Recommended (GUI + helper): If … Read more
1. What is Tailscale? Tailscale is a mesh VPN / software-defined network overlay service that makes it easy to connect devices, services, and networks securely, regardless of where they are located. (Tailscale)Key points: In short: Tailscale = modern VPN/mesh network service+overlay that uses WireGuard under the hood, with identity, access control, and ease-of-use. 2. Use … Read more
Excellent question â since Tailscale is built on top of WireGuard, understanding WireGuard will help you see the foundation of modern secure networking.Letâs go step by step đ 𧩠What is WireGuard? WireGuard is a modern, lightweight, and open-source VPN (Virtual Private Network) protocol and implementation.Itâs designed to be simpler, faster, and more secure than … Read more
Most websites you visit will feature some sort of advertising, such as ad banners on the side of the page or a video playing within the page itself. These ads can grab your attention with outrageous claims, promotions, or promises of free products. Some ads are based on your past browsing history, making you even … Read more
đ Denial of Wallet Attack â Complete Guide 1. Definition A Denial of Wallet (DoW) attack is a type of cloud-specific denial-of-service (DoS) attack where the attacker doesnât just try to exhaust system resources, but instead forces the victim to consume paid cloud resources, inflating costs until the service becomes financially unsustainable. Unlike traditional DoS/DDoS … Read more
Implementing âcomplete securityâ for Confluent Kafka involves multiple layers and controls. Here is a comprehensive scope of work for such an implementation: 1. Identity and Access Management 2. Authentication 3. Authorization 4. Encryption 5. Network Security To restrict access to your Confluent Kafka Cluster so that it is accessible only from your OFFICE, VPN Network, … Read more
A Modern Security Scanning Blueprint: The Step-by-Step Checklist for Todayâs Software Teams Security isnât just about building firewallsâitâs about embedding trust into every phase of your software delivery pipeline. In 2025, high-performing engineering teams know that comprehensive, automated scanning is a must to keep products secure, compliant, and resilient. But what should you actually be … Read more
Youâre on the right track thinking about restricting uploads of PHP files to your Laravel public directoryâthis is one of the most effective defenses against webshells, backdoors, and PHP-based malware. The public folder should only have files you intend to be web-accessible, and usually only index.php (plus assets like CSS, JS, images). Below is a … Read more