Who’s afraid of WhatsApp?

The Australian Senate’s Finance and Public Administration Committee, and in particular Senator Penny Wong, gave the Department of Prime Minister and Cabinet (DPMC) a grilling over communications security on Monday, but were they turning up the heat for the right reasons?

At the core of the sometimes tense hearing — Senator Wong was even accused of “badgering” one DPMC witness — was the issue of cabinet ministers using the messaging app WhatsApp among themselves and their staff.