Crypteo
Microsft Windows, Linux, Unix
Apache, IIS, Exchange, Postfix, Qmail, OpenLDAP
VMWare, Hyper-V, Xen
iSCSI, Fiber Channel, NFS
MySQL, Oracle, SqlServer, PostgreSQL
Nagios, Cacti, Rsync, Mrtg, Rrdtools, BackupExec, Veeam
Stormshield, OpenBSD/pf, Linux/iptables
LAN (QOS, VLAN, POE, WIFI), MAN/WAN (Fibre, IPSEC, MPLS/VPLS, BGP)
PHP, JS, HTML, ASP, ASP.NET, SHELL, PERL, XML, FLEX (applications interactives enrichies), OBJECTIVE-C (applications iPhone)