Contact DSD

Defence switchboard: 1300 DEFENCE (1300 333 362) toll free

Request DSD Cyber and Information Security Advice and Assistance

Government Sigint enquiries

  • Phone 1800 SIGINT (1800 744 468)

Government ICT security enquiries

  • Urgent and operational government ICT security enquiries
  • Non-urgent and general government ICT security enquiries
    • Ask for advice or assistance on the OnSecure website. Australian Government-sponsored customers who do not have one should apply for an OnSecure account.
    • Phone 1300 CYBER1 (1300 292 371) and select 2 at any time
    • Email: dsd.assist@defence.gov.au
    • Fax: (02) 6265 0760

DSD careers

  • General recruitment: PSS.GenRecruitment@defence.gov.au
  • Graduate recruitment (Altitude@DSD): IS.gradprogram@defence.gov.au

Media enquiries: Defence Public Affairs (02) 6127 1999

Website technical issues: IS.webteam@defence.gov.au

Postal address: PO Box 5076, Kingston, ACT, 2604