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Saturday May 30, 2026 3:30pm - 4:45pm CEST
Receiving a noteworthy tip is an achievement in itself, but it's almost never the end of the story. Where does your Signal application live? How can you safely share and store leaked documents? Oh, and what if they are -- gasp --malware? This is where the concept of OPSEC (Operational Security) comes into play.

However, discussing OPSEC practices can sometimes feel too detached from the reality of a working journalist. In this session, we will strive to make things more grounded.

We'll conduct a live simulation of a leak throughout its lifecycle. We'll discuss OPSEC in practice and demonstrate how to use:

Finally, we'll go beyond mere tool usage and share tips and lessons learned from past OPSEC failures and wins.

This is an intermediate session on the subject of security hygiene. We don't assume any background in engineering or security, and it should be approachable to anyone familiar with some basic concepts (encryption, anonymity, threat modeling) and tools (Signal, Tor), which we will use as the foundation for the rest of the demonstration.

Slides (HTML): https://apyrgio.github.io/received-a-leak-now-what/
Slides (PDF): (see attachment below)
Speakers
avatar for Kolja Weber

Kolja Weber

CEO, FlokiNET
AP

Alex Pyrgiotis

Software Engineer, Freedom of the Press Foundation
I'm a software engineer working at Freedom of the Press Foundaton. I'm helping build Dangerzone, an open-source tool for sanitizing untrusted documents and making them safe to open and share. I have previously worked at software companies doing all sorts of wonky stuff with storage... Read More →
slides pdf
Saturday May 30, 2026 3:30pm - 4:45pm CEST
2.04

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