Feisty Duck publishes fine computer security and open source books and provides next-generation computer security training.

Our books are published in a way that aims to bridge the gap between traditional publishing and the new digital age:

- Books are produced in partnership among us, authors, and editors
- Our books are distributed using traditional channels as well as digitally
- Our automated build system converts book manuscripts into several output formats
- Updates are distributed to our readers virtually in real-time
- Even the paperback versions are updated more often than common

Our authors and trainers are top experts in their fields, passionate about technology. We teach large companies on-site and organise public trainings in different locations and remotely. 

Flagship course: Practical TLS and PKI - a practical two-day course packed with theory and practical exercises.

To keep up to date with latest developments in cryptography and security space, follow our monthly no-fluff Cryptography & Security Newsletter: https://www.feistyduck.com/newsletter/

Feisty Duck was founded in 2009 by Jelena Giric-Ristic and Ivan Ristic.

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