---
title: "Discussion on \"Day 1. TryHackMe. Defensive Security Intro.\" | Hashnode"
description: "Discussion on \"Day 1. TryHackMe. Defensive Security Intro.\". Learn step-by-step how to analyze SIEM alerts, investigate malicious IP addresses using real tools like AbuseIPDB and Cisco Talos, and respond effectively i"
url: "https://hashnode.com/posts/day-1-tryhackme-defensive-security-intro/684e160d08b018c29da609f5"
---

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# [Day 1. TryHackMe. Defensive Security Intro.](https://developjayday1.hashnode.dev/day-1-tryhackme-defensive-security-intro?utm_source=hashnode&utm_medium=feed)

Learn step-by-step how to analyze SIEM alerts, investigate malicious IP addresses using real tools like AbuseIPDB and Cisco Talos, and respond effectively i

Jun 15, 2025 · 2 min read · developjayday1.hashnode.dev  
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-   [#tryhackme](https://hashnode.com/tag/tryhackme)
-   [#cybersecurity-1](https://hashnode.com/tag/cybersecurity-1)
-   [#blueteam](https://hashnode.com/tag/blueteam)
-   [#siemanalysis](https://hashnode.com/tag/siemanalysis)

## Written by

[Jesus Pablo López Jurado](https://hashnode.com/@DevelopJay)

@DevelopJay

  
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The rise of a mind forged in silence

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