Everyday Cyber

Mastering Alert Triage, Email Threats, and Sigma Rules | Everyday Cyber Podcast Ep. 3


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🚨 Welcome to Episode 2 of the Everyday Cyber Podcast with your host Alex Reid – where we go deep into real-world defensive security practices and the essential skills needed in a modern Security Operations Center (SOC).

In this episode, we break down efficient alert triage, the science of email-based threat detection, and how structured analytics like Sigma rules, deny lists, allow lists, and new term rules can dramatically improve your ability to detect and respond to cyber threats.

πŸ” What you'll learn in this episode:

  • How data enrichment increases alert fidelity

  • The role of "features" in building security analytics

  • Alert tuning using the Pareto Principle (80/20 rule)

  • Deny lists vs. allow lists β€” strengths and weaknesses

  • First-contact rules (New Term Rules) and how they work

  • Overview of Sigma and how it helps standardize SIEM analytics

  • Anatomy of a Sigma rule: metadata, log source, detection, condition

  • How to improve SOC morale and reduce burnout

  • Network layer disruption strategies: Layer 3, 4, and 7 blocking

  • Why a home lab is your secret weapon for mastering company-scale monitoring

Whether you’re a SOC analyst, blue teamer, or aspiring cybersecurity pro, this episode gives you advanced yet accessible insights to level up your detection engineering, automation mindset, and operational efficiency.

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Everyday CyberBy Alex Reid