Dany,
Audit information can be captured thru Syslog framework in our next major release which is scheduled in Q1 of this year. Leveraging Syslog functionality would be the most elegant and easy to implement route. Depending on your Security team requirement, you can dump or filter the relevant audit info using various 3rd party tools.
In the current DE 4.2 release, audit information is displayed thru GUI under Systems->Event Viewer option. Alternatively, you can leverage CLI framework to get the relevant info :
LandsharkEngine >cd action
LandsharkEngine action> ls
REFERENCE USER STARTTIME DETAILS
ACTION-1212 delphix_admin 2015-02-09T19:53:03.410Z Log in as user "delphix_admin" from IP "127.0.0.1".
...
....
ACTION-1206 - 2015-02-09T03:00:00.519Z Run SnapSync for database "Dev-AgileMasking".
ACTION-1205 - 2015-02-09T03:00:00.052Z Run SnapSync for database "QA-WebDB".
ACTION-1204 delphix_admin 2015-02-08T20:52:32.765Z Log out user "delphix_admin".
ACTION-1203 delphix_admin 2015-02-08T20:44:23.081Z Log in as user "delphix_admin" from IP "172.16.180.1".
ACTION-1202 - 2015-02-08T20:44:16.297Z Failed attempt to log in as user "delphix_admin" from IP "172.16.180.1".
ACTION-1201 - 2015-02-08T08:30:01.831Z Run SnapSync for database "Employee Oracle DB".
ACTION-1200 - 2015-02-08T08:30:01.000Z Run SnapSync for database "Agile Masking".
ACTION-1199 - 2015-02-08T08:30:00.068Z Run SnapSync for database "Employee Web Application".
ACTION-1198 delphix_admin 2015-02-08T08:06:26.490Z Log in as user "delphix_admin" from IP "127.0.0.1".
ACTION-1197 delphix_admin 2015-02-08T07:50:04.285Z Stop database source "Test".
ACTION-1196 delphix_admin 2015-02-08T07:50:00.149Z Delete database "Test".
ACTION-1195 delphix_admin 2015-02-08T07:48:26.396Z Log out user "delphix_admin".
ACTION-1194 delphix_admin 2015-02-08T07:48:15.735Z Run SnapSync for database "Test".
ACTION-1193 delphix_admin 2015-02-08T07:45:00.839Z Provision virtual database "Test".
ACTION-1192 delphix_admin 2015-02-08T07:44:59.067Z Log in as user "delphix_admin" from IP "127.0.0.1".
ACTION-1191 delphix_admin 2015-02-08T07:44:44.347Z Log out user "delphix_admin".
ACTION-1190 delphix_admin 2015-02-08T07:44:43.066Z Log in as user "delphix_admin" from IP "127.0.0.1".
ACTION-1189 delphix_admin 2015-02-08T07:44:21.279Z Log out user "delphix_admin".
ACTION-1188 delphix_admin 2015-02-08T07:44:20.147Z Log in as user "delphix_admin" from IP "127.0.0.1".
One can massage this information using programming capability(e.g. perl/python) depending on your requirement.
Hope this helps.
-Viral Shah
Technical Manager, Customer Services