But details of mammoth pact remain a secret.
Awaits Productivity Commission's final spectrum ruling.
Continues to deny any wrongdoing.
Bad files can land on user devices despite Gatekeeper protection.
Five week due diligence under way.
Nunis relishes new-found focus on public sector tech.
Regulations, ambivalence part of the problem.
Risks fines of up to 15 percent of annual revenue.
Update: Systems upgrade problems cause lengthy outage.
Lawyers get devices to take to court.