Fleak Blog

Fleak Blog

Welcome to the Fleak Blog, your resource for mastering dynamic API building. Whether you're a data scientist, engineer, or tech leader, find curated insights, expert tutorials, and innovative techniques to simplify your workflow. Explore the latest tech trends and empower your team with the knowledge to drive your projects forward efficiently.

Jun 15, 2025

Jun 15, 2025

OCSF to S3: Streaming with Kinesis, Firehose, and Zephflow

In Part 2, we build the final stage of our pipeline. Learn to stream OCSF logs to S3 as Parquet using Kinesis Firehose, a Glue schema, and a Zephflow sink, making your data ready for large-scale analysis.

In Part 2, we build the final stage of our pipeline. Learn to stream OCSF logs to S3 as Parquet using Kinesis Firehose, a Glue schema, and a Zephflow sink, making your data ready for large-scale analysis.

By

Gerrit Jansen van Vuuren

Fouding Engineer, Fleak

Jun 13, 2025

Jun 13, 2025

From VPC Logs to OCSF: A Streaming Pipeline with Kinesis and Zephflow

In part one of our series with Cardinal, learn to transform AWS VPC logs into the query-ready OCSF format. We'll build a streaming data pipeline using Fleak's OCSF Mapper, Zephflow, and Kinesis.

In part one of our series with Cardinal, learn to transform AWS VPC logs into the query-ready OCSF format. We'll build a streaming data pipeline using Fleak's OCSF Mapper, Zephflow, and Kinesis.

By

Gerrit Jansen van Vuuren

Fouding Engineer, Fleak

Jun 9, 2025

Jun 9, 2025

A Practical Guide to Building Real-Time Log Parsing Pipelines

Tired of fragile log parsing? Learn to build a robust, real-time pipeline. This guide covers architecture, tools, and scalable strategies to handle complex logs and avoid late-night alerts for good.

Tired of fragile log parsing? Learn to build a robust, real-time pipeline. This guide covers architecture, tools, and scalable strategies to handle complex logs and avoid late-night alerts for good.

By

Bo Lei

Co-Founder & CTO, Fleak

Jun 6, 2025

Jun 6, 2025

The Core Anatomy of OCSF: Understanding Event Classes, Categories, and Profiles

Deep dive into OCSF's architecture: Learn how event classes, categories, and profiles standardize security data mapping, enabling unified detection logic across your entire security stack

Deep dive into OCSF's architecture: Learn how event classes, categories, and profiles standardize security data mapping, enabling unified detection logic across your entire security stack

By

Bo Lei

Co-Founder & CTO, Fleak

Jun 3, 2025

Jun 3, 2025

OCSF: An Introduction to the Open Cybersecurity Schema Framework

Struggling with diverse security data formats? OCSF, the Open Cybersecurity Schema Framework, standardizes data, simplifying threat detection and analysis. Dive in to discover how it transforms security operations.

Struggling with diverse security data formats? OCSF, the Open Cybersecurity Schema Framework, standardizes data, simplifying threat detection and analysis. Dive in to discover how it transforms security operations.

By

Bo Lei

Co-Founder & CTO, Fleak

Apr 22, 2025

Apr 22, 2025

Introducing the OCSF Mapping App: Streamlining Security Log Normalization with AI

We're excited to announce the public release of our OCSF Mapping App, an open community tool designed to normalize different log types into the standardized Open Cybersecurity Schema Framework (OCSF).

We're excited to announce the public release of our OCSF Mapping App, an open community tool designed to normalize different log types into the standardized Open Cybersecurity Schema Framework (OCSF).

By

Bo Lei

Co-Founder & CTO, Fleak

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