Niklas Heringer
Niklas Heringer
Cybersecurity & Math.
⌘K
Subscribe Sign in
Niklas Heringer

Niklas Heringer

Data Engineering With Dagster - Part Three: Definitions and Code Locations
dagster

Data Engineering With Dagster - Part Three: Definitions and Code Locations

How Dagster uses Definitions and Code Locations to scale cleanly across teams, assets, and environments.
forensics-basics

What Is Digital Forensics, Really?

A beginner-friendly introduction to digital forensics: from traces and clues to how we reconstruct the past using data.
Data Engineering With Dagster - Part Two: Dependencies, DuckDB, and Geo Heatmaps
dagster

Data Engineering With Dagster - Part Two: Dependencies, DuckDB, and Geo Heatmaps

Learning to wire assets together, load data into DuckDB, and build heatmaps with real NYC taxi data.
Data Engineering With Dagster - Part One: A Fresh Take on Orchestration
dagster

Data Engineering With Dagster - Part One: A Fresh Take on Orchestration

A student-hacker’s perspective on learning data engineering with Dagster: asset-centric thinking, orchestrator basics, and setting up the mental model.
university

Pentesting 101 – Command Injection & Shell Tricks (Session 1 – Part 2)

After exploring XSS in Part 1, we now dive into server-side command injection, shell behavior, piping, and classic reverse shell tactics.
Basic Introduction to Penetration Testing – some basics & reflected XSS (Session 1 - Part 1)
university-class

Basic Introduction to Penetration Testing – some basics & reflected XSS (Session 1 - Part 1)

Lab setup with Kali and Metasploitable 2, safe networking configuration, and a proper starting point for reflected XSS.
threat-landscape

Defensive Security Lecture – What SEC Consult Told Us About Phases of a Cyber Crisis

Insights from a guest lecture by SEC Consult on how real-world cyber crises unfold, what defines modern threats, and why proper incident response beats courtroom-ready forensics in most cases.