But it does not have to be hard.
Recommend reading this article from ISSA:
https://c.ymcdn.com/sites/www.issa.org/resource/resmgr/journalpdfs/feature0214.pdf
LufSec
Recommend reading this article from ISSA:
https://c.ymcdn.com/sites/www.issa.org/resource/resmgr/journalpdfs/feature0214.pdf
LufSec