Mar 9 · 15 min read · Introduction In August 2025, Ghana’s government email infrastructure experienced a disruption that left ministries and agencies unable to access official .gov.gh email services for nearly three days.
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Feb 15 · 3 min read · In today’s cloud-first world, deploying applications on Amazon Web Services is easy — but securing them is where real engineering begins. One of the most powerful yet often underestimated security services is AWS WAF (Web Application Firewall). 🚀 Wh...
Join discussionNov 28, 2025 · 8 min read · Introduction: When AI Becomes Part of the Security Perimeter The traditional Security Operations Center (SOC) model—human-driven alert investigation and remediation—is rapidly evolving. Today, Agentic AI systems are taking over incident investigation...
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Oct 31, 2025 · 8 min read · As web scraping and automation engineers push the boundaries of data acquisition, security providers like Amazon Web Services (AWS) are relentlessly fortifying their defenses. Among the most formidable of these is the AWS WAF CAPTCHA—a sophisticated ...
Join discussionOct 2, 2025 · 2 min read · If you’ve ever worked with AWS WAF rules, you know the struggle: creating rules directly via JSON works, but when you go back to the AWS console, you often get stuck with this dreaded message: Cannot switch from JSON editor to visual editor.A rule t...
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Sep 24, 2025 · 4 min read · 1. 개요 간헐적으로 발생하는 API 타임아웃은 원인 파악이 가장 까다로운 장애 유형 중 하나입니다. 이 글에서는 다중 프록시 및 로드밸런서를 거치는 아키텍처의 프론트엔드 서버에서 발생한 간헐적 API 타임아웃의 원인을 분석하고, Nginx의 DNS 해석 방식을 수정하여 문제를 해결한 과정을 회고합니다. 2. 시스템 아키텍처와 문제 현상 장애가 발생한 시스템의 트래픽 흐름은 다음과 같이 다층적으로 구성되어 있습니다.(완전히 정확하진 않고 대략 ...
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Aug 26, 2025 · 3 min read · When I first came across AWS WAF (Web Application Firewall), it sounded a bit scary — like something only security experts would understand. But once I broke it down, it actually made a lot of sense. So here’s what I learned (and also tried out) abou...
Join discussionAug 16, 2025 · 4 min read · Introduction: - Picture this: you have just launched your shiny new website. Orders are rolling in, traffic is booming — life is good. Suddenly, your site slows to a crawl, then…poof! it’s down. Panic sets in. “Did I finally go viral? Am I famous now...
Join discussionApr 10, 2025 · 11 min read · I'm thrilled to say that this content is based on my experience as an AWS Community Builder with AWS WAF before getting into the technical aspects. In today's security architecture, web application firewalls are crucial, and AWS WAF provides strong d...
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Mar 26, 2025 · 2 min read · 1. Create a VPC (Virtual Private Cloud) Go to AWS Management Console > VPC > Create VPC. Choose VPC Only. Provide a Name Tag (e.g., MyVPC). IPv4 CIDR Block: 10.0.0.0/16. Keep IPv6 None or as required. Tenancy: Default. Click Create VPC. 2. C...
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