Please email sensitive information encrypted with the PGP/GPG key.
Phone: +61 475 108 728 (often unattended) – use (+61 432 342 584) for urgent situations.
Private numbers not answered. Leave voicemail or send a message, or better yet, so not call on a private number.
Use the app Signal to communicate (it’s secure) – same numbers as above.
Alternatively, use Wickr (required no phone number) – ID/address: stsaustralia
WhatsApp and iMessage are not secure (due to the fact that Meta (Facebook, owner of WhatsApp) in particular quite easily yield to subpoenas for user data), but for general conversation they are acceptable. Same numbers as above.