C-SAW: Critical Information Infrastructure Protection through Simplification. - Ian Ellefsen; Sebastiaan H. von Solms (HCC, 2010)

Critical Information Infrastructure Protection in the Developing World. - Ian Ellefsen; Sebastiaan H. von Solms (Critical Infrastructure Protection, 2010)

Implementing Critical Information Infrastructure Protection Structures in Developing Countries. - Ian Ellefsen; Sebastiaan H. von Solms (Critical Infrastructure Protection, 2012)

The identification of information sources to aid with Critical Information Infrastructure Protection. - Jean Mouton; Ian Ellefsen (ISSA, 2013)

Location aware mobile device management. - Jaco du Toit; Ian Ellefsen (ISSA, 2015)

Secure Peripherals in a Converged Mobile Environment. - Jaco du Toit; Ian Ellefsen (HCI (22), 2017)