Term used in Japanese martial arts referring to a form of practice in which a person defends himself against multiple attackers in quick succession without knowing how they will attack or in what order.

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Multiple vulnerabilities on Chamilo 1.11.18

Aituglo 6 min

Abstract Chamilo is an e-learning platform, also called Learning Management Systems (LMS). It has been used by more than 30M people worldwide since its inception in 2010. As an LMS, it offers an integrated platform for …



RandoriSec 10 min

For the 21st edition of the SSTIC, RandoriSec was represented by 9 people. As usual now, the conference took place at Couvent des Jacobins, in Rennes, from 7 to 9 June 2023. This year, the conference was - again - very …


[CTF] ECW CTF 2022 - Reverse challenges writeup

RandoriSec 14 min

During the European Cyber Week (ECW), a Capture the Flag (CTF) was organised on November 16th at Rennes in France. A preselection took place from October 14, 2022 to October 30, 2022. Our security researcher Express got …


[CONFERENCE] BSides Lisbon 2022

Guillaume Lopes 2 min

Finally, the BSides Lisbon conference came back in 2022! The last edition was 3 years ago in 2019! The conference took place on the 10th and 11th November. One day and half of conferences, workshops and a Capture the …