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.

Discover our services

RandoriSec is an offensive security company with a team of experienced consultants who help the company’s clients to contain technology-related risks.

Contact us

Let us help you improve your security standards

Ask for a quote

From our blog

Our experts like sharing tips and new techniques they used while on a job. They’re yours to read, check our blog posts!

[CONFERENCE] BlackAlps 2022

RandoriSec 4 min

Aleknight gave his first talk at the BlackAlps conference regarding the Linux vulnerabilities found during his internship. A few members of the research team were also present to support him and to enjoy the …


[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 …



RandoriSec 3 min

RandoriSec was proud to sponsor this year’s edition of Unlock Your Brain, Harden Your System. A security conference that took place on November 4th and 5th 2022 at Brest, France. We have attended the 5-hour …