Niklas Heringer
Niklas Heringer
Cybersecurity & Math.
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Niklas Heringer

python

Python Deserialization Attacks Explained: How Hackers Exploit Pickle (and How to Defend)
insecure-deserialization

Python Deserialization Attacks Explained: How Hackers Exploit Pickle (and How to Defend)

Learn how Python deserialization attacks work, see a real Pickle exploit in action, and discover best practices to secure your code against remote code execution vulnerabilities.
Why Clean Logs Matter in Forensics - And How to Get Them Right
cli-tools

Why Clean Logs Matter in Forensics - And How to Get Them Right

In digital forensics, documentation is just as important as discovery. This guide introduces a CLI tool that helps forensic analysts create structured, signed, and legally sound logs - from the first command to the final report.
Data Engineering With Dagster – Part Four: Resources, DRY Pipelines, and ETL in Practice
dagster

Data Engineering With Dagster – Part Four: Resources, DRY Pipelines, and ETL in Practice

A deeper look at how Dagster handles reusable components like API clients and cloud connectors through resources - with best practices and cookie metaphors baked in.
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.