References
Hardening (computing). (2017, September 06). Retrieved October 02, 2017, from
Kapoor, N. (2016).Host Hardening - Achieve or Avoid[PPT]. OWASP.
Hoffman, Chris. “How to Create AppArmor Profiles to Lock Down Programs on Ubuntu.” How-To Geek, How-To Geek, 6 July 2012, www.howtogeek.com/118328/how-to-create-apparmor-profiles-to-lock-down-programs-on-ubuntu/.