Discover our technical publications:
We make our articles available to the community
Latest articles
![logo](/images/defaults/logoLightGrey.png)
José Bollo
February 9th, 2024
![author](/images/uploads/articles/authors/thumbnail_l_portfolio_4_5854cb871d.jpg)
Tux-EVSE Ev-Charger & Cybersecurity
Presentation of cybersecurity challenges of an Electrical Vehicle charging station ISO 151118 in ...
![logo](/images/defaults/logoLightGrey.png)
Fulup Le Foll
December 5th, 2023
RUST & embedded
Rust is a very hype programming language that provides good practices to reduce potential attacks ...
![logo](/images/defaults/logoLightGrey.png)
Fulup Le Foll
June 27th, 2023
Linux Virtualization & Isolation
Linux virtualization & isolation bring lots of advantages but also lots of conflict of interests. ...
![logo](/images/defaults/logoLightGrey.png)
Fulup Le Foll
June 7th, 2023
Yocto BSP vs redpesk/centos BSP
- Video link : CentOS Automotive SIG - June 7, 2023
- PDF Link ...
![logo](/images/uploads/articles/logos/thumbnail_app_icon_92c89b3305.png)
Fulup Le Foll
December 6th, 2022
Toward a Linux safety compliant architecture through a RTOS companion.
Even though significant efforts attempt to prepare Linux for safety certifications, it seems obvious ...
![logo](/images/uploads/articles/logos/thumbnail_sea_tech_logo_200_3c74caedc1.jpg)
Fulup Le Foll
September 29th, 2022
Seantic and maritime cybersecurity
Like many other industrial sectors, the maritime sector wants to benefit from the advantages of digi ...
![logo](/images/uploads/articles/logos/dsc_e76345c0de.png)
Fulup Le Foll
September 15th, 2022
IDS (Intrusion Detection System) for embedded systems
The new generation of car combines incredible software complexity with a full Internet connectivity. ...
![logo](/images/uploads/articles/logos/thumbnail_FOSDEM_logo_svg_ce2439690e.png)
José Bollo
April 7th, 2022
![author](/images/uploads/articles/authors/thumbnail_l_portfolio_4_5854cb871d.jpg)
Towards UN R155 and R156 with open source stack
After presenting key constraints of new cybersecurity standards UN R155/R156 regulations, the sessio ...
![logo](/images/uploads/articles/logos/thumbnail_FOSDEM_logo_svg_ce2439690e.png)
Clément Bénier
February 6th, 2022
![author](/images/uploads/articles/authors/thumbnail_clement_300x300_ac00dade7d.png)
Redpak: Ultra light weight container for embedded systems
Choosen by the French Government in the Big Cyber Challenge, Redpak is the new embedded container en ...
![logo](/images/uploads/articles/logos/thumbnail_logo_osxp_aplat_50e5be6ef8.png)
Vincent Rubiolo
February 5th, 2022
![author](/images/uploads/articles/authors/thumbnail_vincent_e88e669031.jpg)
Using Ansible and Proxmox to manage an embedded RPM distro build factory: lessons learned
With redpesk, we provide customers with the ability to cross-build an embedded, CentOS Stream-ba ...
![logo](/images/uploads/articles/logos/thumbnail_Automotive_Grade_Linux_logo_svg_88062ad36b.png)
Armand Beneteau
December 15th, 2021
![author](/images/uploads/articles/authors/thumbnail_l_portfolio_47_f898f15fa0.jpg)
Testing Continuously Applications Using a Cloud Based Infrastructure Using Virtualization and Real Hardware in the Loop
With the exponential growth of software complexity, and in order to keep under control the cost a ...
![logo](/images/uploads/articles/logos/thumbnail_logo_osxp_aplat_50e5be6ef8.png)
Vincent Rubiolo
November 10th, 2021
![author](/images/uploads/articles/authors/thumbnail_vincent_e88e669031.jpg)
Connected ships and data flows: from the on-board sensor to the cloud
The modern, connected, embedded Linux IoT device is facing a fundamental problem: the more connec ...
![logo](/images/uploads/articles/logos/thumbnail_oss_NA_Logo_2bfd135611.png)
IOT.BZH
September 30th, 2021
![author](/images/defaults/tux_small.png)
Cross debugging on Linux : A history, current state of the art and coming improvements
Cross debugging, and more generally, remote debugging, is somet ...
![logo](/images/uploads/articles/logos/thumbnail_devfest_perros_guirec_d8579262ff.png)
Clément Bénier
September 24th, 2021
![author](/images/uploads/articles/authors/thumbnail_clement_300x300_ac00dade7d.png)
Automatisation des modules de sécurité Linux en intégration continue
Tous les programmes ont potentiellement des vulnérabilités qui peuvent être utilisées pour pénétrer ...
![logo](/images/defaults/logoLightGrey.png)
Sébastien Douheret
September 13th, 2021
Release of redpesk Arz 1.0
Lorient, France – September 13rd 2021 – IoT.bzh, an open source software company for embed ...
![logo](/images/uploads/articles/logos/thumbnail_hack_logo_light_512px_93bb76a9ae.png)
Arthur Guyader
August 2nd, 2021
![author](/images/defaults/tux_small.png)
Introduction to SMACK and SELinux
An introduction to the fundamentals of SMACK and SELinux administration.
This confer ...
![logo](/images/uploads/articles/logos/live_embedded_event_2021_8193fba60a.jpg)
Julien Massot
June 16th, 2021
![author](/images/uploads/articles/authors/thumbnail_540_596_max_cc94269aae.png)
Running Zephyr and Linux on the same SoC: making both worlds live together !
Modern SoCs contain heterogeneous processor devices that can be used to execute specific tasks. W ...
![logo](/images/uploads/articles/logos/live_embedded_event_2021_8193fba60a.jpg)
Vincent Rubiolo
June 3rd, 2021
![author](/images/uploads/articles/authors/thumbnail_vincent_e88e669031.jpg)
From embedded Linux boat sensors to the cloud, a data journey
The modern, connected, embedded Linux IoT device is facing a fundamental problem: the more conne ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_AMM_logo_85197a9d9e.png)
Julien Massot
April 27th, 2021
![author](/images/uploads/articles/authors/thumbnail_540_596_max_cc94269aae.png)
Hardware Isolation Running RTOS Concurrently with AGL on Renesas R-Car
Modern SoCs contain heterogeneous processor devices that can be used to execute specific tasks. R ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_AMM_logo_85197a9d9e.png)
José Bollo
April 13th, 2021
![author](/images/uploads/articles/authors/thumbnail_l_portfolio_4_5854cb871d.jpg)
From Smack To SELinux
This talk given at the AGL All Member Meeting [VIRTUAL] of Spring 2021 presents how the applicati ...
![logo](/images/defaults/logoLightGrey.png)
IOT.BZH
April 9th, 2021
![author](/images/defaults/tux_small.png)
redpesk® factory demo video
This video is a short introduction of the redpesk® factory WebUI.
As you can see, ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_AMM_logo_85197a9d9e.png)
Vincent Rubiolo
March 18th, 2021
![author](/images/uploads/articles/authors/thumbnail_vincent_e88e669031.jpg)
Data continuity, from vehicle sensors to cloud databases in the AGL ecosystem
The modern vehicle is facing a fundamental problem ...
![logo](/images/defaults/logoLightGrey.png)
December 16th, 2020
![author](/images/defaults/tux_small.png)
redpesk Marine Grade Linux
As today, AGL has mostly been sponsored by the Automotive Industry. Nevertheless, many of the AGL ...
![logo](/images/defaults/logoLightGrey.png)
Vincent Nieutin
September 3rd, 2020
![author](/images/defaults/tux_small.png)
Intrusion Detection System (IDS) on automotive CAN bus
The main objective of this paper is to implement an Intrusion Detection System (IDS) over the Con ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_AMM_logo_85197a9d9e.png)
Stéphane Desneux
July 15th, 2020
Boost AGL Application Framework performance by 10+
IoT.bzh investigated on lazy object synchronization techniques combined with an appropriate seria ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_AMM_logo_85197a9d9e.png)
Fulup Le Foll
July 13th, 2020
Ultra Light Weight Containers for Embedded Systems
While Linux “name space” provides a good foundation for embedded application isolation, popular c ...
![logo](/images/uploads/articles/logos/thumbnail_FOSDEM_logo_svg_ce2439690e.png)
IOT.BZH
February 1st, 2020
![author](/images/defaults/tux_small.png)
Integrating Julius Speech Recognition Engine
This presentation deals with the integration of Julius Speech Recognition Engine.
Th ...
![logo](/images/uploads/articles/logos/thumbnail_FIC_2020_Lille_b3be80d53a.png)
Fulup Le Foll
January 30th, 2020
Secure vehicle data exchange with "OpenID Connect"
This presentation was given at International Cybersecurity Forum (FIC) in Lille / France.
![logo](/images/defaults/logoLightGrey.png)
Fulup Le Foll
December 3rd, 2019
Current Market Conditions for Automotive Supply Implies Long Term Support
This presentation was given at DevOps Wold / Jenkins World in Lisbona.
As today auto ...
![logo](/images/uploads/articles/logos/thumbnail_index_738153a608.png)
José Bollo
November 22nd, 2019
![author](/images/uploads/articles/authors/thumbnail_l_portfolio_4_5854cb871d.jpg)
Embedded Linux, case of AGL. Lesson at ENSTA 2019
This slideshow was used as support for a lesson given at "École nationale supérieure de techni ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_AMM_logo_85197a9d9e.png)
Yann Bodéré
October 22nd, 2019
Current market condition for automotive supply implies Long Term Support
This presentation was given at AGL All Member Meeting in Monte Carlo, Monaco.
Cars r ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_AMM_logo_85197a9d9e.png)
Armand Beneteau
October 21st, 2019
![author](/images/uploads/articles/authors/thumbnail_l_portfolio_47_f898f15fa0.jpg)
Cloud based test infrastructure to enhance software quality assurance (SQA) in AGL application developments
This presentation was given at AGL All Member Meeting in Monte Carlo, Monaco.
![logo](/images/uploads/articles/logos/thumbnail_als_6e4e4b5abf.png)
Fulup Le Foll
July 17th, 2019
AGL-µBinder : a fast, secure and seamless option to connect AGL to small ECUs?
This presentation was given at Automotive Linux Submit in Tokyo.
In order to embrace ...
![logo](/images/uploads/articles/logos/thumbnail_als_6e4e4b5abf.png)
Sébastien Douheret
July 17th, 2019
AGL-Supervision : From AGL Supervisor to platform global data collection
This presentation was given at Automotive Linux Summit in Tokyo.
AGL na ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_logo_f8047edb8d.png)
Johann Cathier & Jakub Jermar
March 19th, 2019
![author](/images/defaults/tux_small.png)
L4RE hypervisor consolidating multiple AGL profiles
Isolating components of different criticalities is a desirable feature of safety-critical systems ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_AMM_logo_85197a9d9e.png)
Fulup Le Foll
March 19th, 2019
Wlroots : a potential foundation for Next Generation of AGL Wayland Compositor
As today, AGL mostly leverages Wayland IVI-shell as inherited from Genivi. Worse than having tech ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_logo_f8047edb8d.png)
Romain Forlot
December 12th, 2018
![author](/images/uploads/articles/authors/thumbnail_romain_d22ec81173.jpg)
Updated overview of AGL signaling
A slideshow updated since the latest presentation in Karlsruhe in 2016 with a presentation of a f ...
![logo](/images/uploads/articles/logos/thumbnail_sesa_f9ccbe93a4.jpeg)
Fulup Le Foll
December 5th, 2018
Cybersecurity for Connected Vehicle with AGL (Automotive Grade Linux)
This talk presents, the motivation and options chosen by AGL to address automotive cybersecurity. ...
![logo](/images/uploads/articles/logos/ubs_6a7b6cbbf0.png)
Jonathan Aillet
October 26th, 2018
![author](/images/uploads/articles/authors/thumbnail_300_220_max_8bfe04ef1d.png)
Boot & Secure Boot
Cette présentation à été utilisée pour donner une conférence à l'Université de Bretagne Sud à Lorien ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_logo_f8047edb8d.png)
Thierry Bultel
October 17th, 2018
![author](/images/uploads/articles/authors/thumbnail_thierry_21cff01c57.jpg)
Skim down AGL Application Framework to bridge AGL with hard realtime subsystems
This talk presents options to bring a subsystem of AGL Application Framework into realtime operat ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_AMM_logo_85197a9d9e.png)
José Bollo
October 17th, 2018
![author](/images/uploads/articles/authors/thumbnail_l_portfolio_4_5854cb871d.jpg)
AGL application design
After a presentation of the security framework that rules the applications, this presentation bro ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_logo_f8047edb8d.png)
Loïc Collignon
October 16th, 2018
![author](/images/uploads/articles/authors/thumbnail_loic_e3bc0d955a.jpg)
4A (Audio Advanced Architecture) Kickstart with AGL/FF
This presentation explains how to write audio application on AGL using 4A audio architecture. It ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_logo_f8047edb8d.png)
Romain Forlot
October 16th, 2018
![author](/images/uploads/articles/authors/thumbnail_romain_d22ec81173.jpg)
Moving AGL toward production with the latest test/monitoring tools.
This presentation will cover the latest test and monitoring tools available in AGL. Most of all, ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_logo_f8047edb8d.png)
Fulup Le Foll
October 16th, 2018
From Connected Cars to Connected Boats
This presentation takes IoT.bzh “Connected Boat” project as an example of using AGL for other ind ...
![logo](/images/uploads/articles/logos/ubs_6a7b6cbbf0.png)
José Bollo
October 9th, 2018
![author](/images/uploads/articles/authors/thumbnail_l_portfolio_4_5854cb871d.jpg)
Presentation of AGL
This slideshow was used as support for a lesson given at "Université de Bretagne Sud" (University ...
![logo](/images/uploads/articles/logos/thumbnail_als_6e4e4b5abf.png)
Stéphane Desneux
June 21st, 2018
AGL Development Tools, what's new in FF
This talk presented at ALS 2018 in Tokyo covers the latest development tools available in AGL:
![logo](/images/uploads/articles/logos/thumbnail_als_6e4e4b5abf.png)
Fulup Le Foll
June 20th, 2018
AGL & Real Time: Architecture Options
While AGL started as "IVI only", today the industry is asking for more: Cluster, Telematics, etc. ...
![logo](/images/uploads/articles/logos/thumbnail_ENSIBS_b5ee42a56a.png)
Fulup Le Foll
May 19th, 2018
Véhicule Connecté Cybersécurité et Open Source
Pourquoi et comment sécuriser les véhicules connectés de prochaines génération. Présentation dans ...
![logo](/images/defaults/logoLightGrey.png)
Sarah Amri & François Gognet & Alexandre Hamou
May 18th, 2018
![author](/images/defaults/tux_small.png)
Projet Etudiant ENSIBS - Analyseurs Statiques de code
Project portant sur les Analyseurs Statiques de code présenté par 3 étudiants de l'ENSIBS (S ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_logo_f8047edb8d.png)
José Bollo
April 23rd, 2018
![author](/images/uploads/articles/authors/thumbnail_l_portfolio_4_5854cb871d.jpg)
Binding API version 3
Presentation at Karlsruhe of the ongoing refactoring of binding APIs.
The new API na ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_AMM_logo_85197a9d9e.png)
Romain Forlot & Sebastien Douheret
April 16th, 2018
![author](/images/defaults/tux_small.png)
Vehicle 2 Cloud - Signaling and Data collection - April 2018
This presentation was given by Romain Forlot and Sebastien Douheret at AGL F2F meeting in Karlsru ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_logo_f8047edb8d.png)
Loïc Collignon
April 16th, 2018
![author](/images/defaults/tux_small.png)
AGL 4a and audio roadmap - April 2018
This presentation was given at AGL F2F meeting in Karlsruhe.
It's the audio roadmap to be do ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_logo_f8047edb8d.png)
Sébastien Douheret & Romain Forlot
April 16th, 2018
![author](/images/defaults/tux_small.png)
Vehicle 2 Cloud - Telematics and Data collection - April 2018
This presentation was given by Romain Forlot and Sebastien Douheret at AGL F2F meeting in Karlsru ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_logo_f8047edb8d.png)
Sébastien Douheret
April 16th, 2018
X(cross) Development System update - April 2018
This presentation was given at AGL F2F meeting in Karlsruhe.
It's an update of XDS project ( ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_AMM_logo_85197a9d9e.png)
Frederic Marec
March 28th, 2018
![author](/images/uploads/articles/authors/thumbnail_fred_dafb9ee5c0.jpg)
Industrialisation of applications build in embedded environment
![logo](/images/uploads/articles/logos/thumbnail_AGL_AMM_logo_85197a9d9e.png)
Fulup Le Foll
March 27th, 2018
AGL Audio Advanced Architecture
This presentation was given at AMM 2018 in Tokyo.
AGL/eel announced at CES ...
![logo](/images/defaults/logoLightGrey.png)
Vincent Nieutin
January 12th, 2018
![author](/images/defaults/tux_small.png)
Updated AGL Security Blueprint
AGL Security Blueprint available
![logo](/images/uploads/articles/logos/thumbnail_ENSIBS_b5ee42a56a.png)
Sébastien Douheret
January 12th, 2018
IoT.bzh and AGL presentation to ENSIBS' students
This talk was given at ENSIBS Vannes to present IoT.bzh and Automotive Grade Linux project and ec ...
![logo](/images/uploads/articles/logos/thumbnail_Automotive_Grade_Linux_logo_svg_88062ad36b.png)
Fulup Le Foll
November 10th, 2017
Cybersecurity a fundamental challenge for connected cars
Automotive software has traditionally focus on safety. Nevertheless with the arrival of connected ...
![logo](/images/defaults/logoLightGrey.png)
Ronan Le Martret
October 30th, 2017
![author](/images/uploads/articles/authors/thumbnail_Ronan_c8f286756b.jpg)
Deploy AGL OS and SDK as a Binary Packaging Distribution for Developer
Yocto SDKs or images are currently deployed as monolithic archives.< ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_logo_f8047edb8d.png)
José Bollo
October 20th, 2017
![author](/images/uploads/articles/authors/thumbnail_l_portfolio_4_5854cb871d.jpg)
AGL integration of systemd and user management
AGL leverages Sytemd for several purposes. Example:
- setup of applications and ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_AMM_logo_85197a9d9e.png)
Fulup Le Foll
October 18th, 2017
The AGL Swiss Knife for Quick Application Prototyping
The AGL controller is a new binding that was initially developed to address the lack of AGL mecha ...
![logo](/images/uploads/articles/logos/thumbnail_als_6e4e4b5abf.png)
Fulup Le Foll
June 2nd, 2017
![author](/images/defaults/tux_small.png)
Vehicle to Cloud: Connecting Cars to Non-Automotive Internet Services
This presentation was given at A ...
![logo](/images/uploads/articles/logos/thumbnail_als_6e4e4b5abf.png)
Sébastien Douheret
June 2nd, 2017
X(cross) Development System - make AGL app development easier
This presentation was given at AL ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_AMM_logo_85197a9d9e.png)
Romain Forlot
May 11th, 2017
![author](/images/uploads/articles/authors/thumbnail_romain_d22ec81173.jpg)
Low level CAN binding for AGL: a generic way to handle CAN signals
IoT.bzh proposes a low level CAN binding with the following features:
![logo](/images/uploads/articles/logos/thumbnail_AGL_AMM_logo_85197a9d9e.png)
IOT.BZH
May 11th, 2017
![author](/images/defaults/tux_small.png)
AGL Development Kit - Features and Roadmap
AGL DevKit targets applications devel ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_AMM_logo_85197a9d9e.png)
José Bollo
February 8th, 2017
![author](/images/uploads/articles/authors/thumbnail_l_portfolio_4_5854cb871d.jpg)
AGL Security Framework Review
The framework is presented in its cur ...
![logo](/images/defaults/logoLightGrey.png)
Fulup Le Foll
November 21st, 2016
Cybersécurité et Véhicules Connectés
The hundreds of millions of cars on our roads every day is a unique ...
![logo](/images/defaults/logoLightGrey.png)
IOT.BZH
April 5th, 2016
![author](/images/defaults/tux_small.png)
Ostro Project Analysis
This document presents a quick analysis of Ostro Project and describes some methods
and comp ...
![logo](/images/defaults/logoLightGrey.png)
March 30th, 2016
![author](/images/defaults/tux_small.png)
AGL 2.0 - BSP Development Kit
BSP Development Kit allows developers to rebuild a complete bootable image f ...
![logo](/images/uploads/articles/logos/thumbnail_als_6e4e4b5abf.png)
Yannick Gicquel
March 16th, 2016
![author](/images/defaults/tux_small.png)
Secure Boot - Secure Software Updates
(This presentation was given at Automotive Linux Summit 2016, Tokyo)
Softwa ...
![logo](/images/uploads/articles/logos/thumbnail_FOSDEM_logo_svg_ce2439690e.png)
Stéphane Desneux
March 16th, 2016
Writing secure HTML5 applications for automotive systems
(This presentation was given at FOSDEM 2016, Brussels ; see
![logo](/images/uploads/articles/logos/thumbnail_IUT_Vannes_svg_b52d2adae2.png)
Stéphane Desneux
March 16th, 2016
Connected cars & Security challenges
This presentation introduces the IoT and the "Connected Car" concept:
![logo](/images/uploads/articles/logos/thumbnail_AGL_AMM_logo_85197a9d9e.png)
Fulup Le Foll
March 9th, 2016
AGL-2.0 Security Architecture Proposal
Next generation of car will be connected and connected car will be attacked. They is absolutely n ...
![logo](/images/defaults/logoLightGrey.png)
Fulup Ar Foll & José Bollo
March 1st, 2016
![author](/images/defaults/tux_small.png)
Automotive Grade Linux Security White Paper
Cars are expensive pieces of equipment, yet they represent a huge mass market. Adding Internet co ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_logo_f8047edb8d.png)
IOT.BZH
February 29th, 2016
![author](/images/defaults/tux_small.png)
SDK for Application - Kickstart
This document explains step by step how to setup the development environment for Porter board wit ...
![logo](/images/uploads/articles/logos/thumbnail_Automotive_Grade_Linux_logo_svg_88062ad36b.png)
IOT.BZH
February 29th, 2016
![author](/images/defaults/tux_small.png)
AGL Kickstart on Renesas Porter Board
This document explains step by step how to bootstrap a Porter board with AGL distribution and lat ...
![logo](/images/uploads/articles/logos/thumbnail_AGL_AMM_logo_85197a9d9e.png)
Stéphane Desneux
February 24th, 2016
AGL Software Development Kit
This presentation focuses on the features of the AGL SDK solution proposed by IoT.bzh:
...
![logo](/images/uploads/articles/logos/thumbnail_FOSDEM_logo_svg_ce2439690e.png)
Stéphane Desneux
February 1st, 2016
Leveraging Docker in Automotive projects based on AGL/GENIVI
Light virtualisation is often viewed as a security mechanism providing isolation on a production ...
![logo](/images/defaults/logoLightGrey.png)
IOT.BZH
December 21st, 2015
![author](/images/defaults/tux_small.png)
Tizen security, lessons learnt
The document provides a feedback on lessons learned through the implementation of Tizen security ...