Feed
Pro
Search

Sign in
Darkshift - a dark factory for software Bug0 - The AI-native e2e QA regression testing The foreword by Hashnode - official blog from the Hashnode team Passmark - The open-source AI framework for regression testing Hashnode gql skill - let your AI agent publish to your Hashnode blog Hackathons Changelog Brand @hashnode on X Hashnode on LinkedIn Support - hello+support@hashnode.com Code of Conduct Terms Privacy Sitemap

Search Hashnode

Search posts, tags, users, and pages

@asimon

Ewaldo Simon Hiras

@asimon·Joined August 2024

Blue teamer

About

I am a information security professional with interest mainly in defenses/ blue teaming. I enjoy leisure running 🏃‍♂️ and PC games.

Available for

Nothing here yet.

Ewaldo Simon Hiras's blogs

Ewaldo Simon Hiras's Blogaldosimon.com36 posts

About

I am a information security professional with interest mainly in defenses/ blue teaming. I enjoy leisure running 🏃‍♂️ and PC games.

Available for

Nothing here yet.

Ewaldo Simon Hiras's blogs

Ewaldo Simon Hiras's Blogaldosimon.com36 posts

Articles Comments

Recently published

ESEwaldo Simon Hirasinaldosimon.com·Sep 5 · 2 min read

About Movies

I've always been a big movie fan, and had throughout the years tries to track my watched and most favorite movies using various service, to no avail. In the end, I thought, why not just use a simple l

ESEwaldo Simon Hirasinaldosimon.com·Nov 10, 2025 · 5 min read

Detection Pipeline for CloudTrail Detection Engine

Prolog I needed to come up with a detection for an AWS environment, that is cheap, will take custom detection (preferably Sigma rule for easier maintenance) and somewhat flexible/ customizable. I ended up using with the Lambda that consume sigma and ...

ESEwaldo Simon Hirasinaldosimon.com·Oct 7, 2025 · 6 min read

About idleak.net

Prologue Cyber security is always evolving. No matter which topic of cyber you are working with, there is always a need to know and learn new stuff, constantly. On one hand, this means a never ending fun, finding out new stuff and trying out stuff, b...

ESEwaldo Simon Hirasinaldosimon.com·Sep 26, 2025 · 6 min read

CloudTrail Detection Engine

TLDR: CloudTrail detection engine (CTDE), is an AWS native (i.e. using lambda and CloudTrail) detection engine. Requirement and Research For one of the work I did, I needed to come up with a detection for an AWS environment, that is cheap, will take ...

ESEwaldo Simon Hirasinaldosimon.com·Aug 3, 2025 · 7 min read

If I were to start validating my cloud detection...

Prologue I had an interesting 45 minute conversation with a security engineer from a mostly-cloud company. We talked about how would one start a detection assessment program, mainly brainstorming ideas on what to test. It was an impromptu chat (kind ...