Adelaide cyber security

What drives security spending in Adelaide. Defence, more than anything else. The continuous naval shipbuilding programme at Osborne and Australia's AUKUS commitments have pulled an enormous supply chain into the city, and most of the businesses in it are small firms who have never faced a formal security requirement before. A machining shop that has supplied the same prime contractor for fifteen years suddenly finds a security schedule in the contract renewal.

Around defence sits a growing space and advanced manufacturing sector, a substantial wine and agribusiness industry with its own export and traceability pressures, and South Australian Government and health services.

The frameworks that come up most.

• DISP membership, the defining one for Adelaide. If you want Defence work, or work for a prime who has it, you will meet the Defence Industry Security Program and its governance, personnel, physical and ICT requirements.
• ASD Essential Eight, usually as the technical baseline a prime asks you to demonstrate before they will discuss anything else.
• Information Security Manual where classified or sensitive Defence information is handled.
• ISO 27001 for enterprise supply chains outside defence, and increasingly as a way to answer several primes at once.
• Cyber Security Act 2024 ransomware payment reporting, in force since 30 May 2025 for businesses over $3 million turnover, with 72 hours to notify the Australian Signals Directorate.

The honest advice for Adelaide businesses. DISP is slower and far more document-heavy than most people expect, and it is not something you can rush at the end of a tender process. If Defence work is on your roadmap for the next eighteen months, start the paperwork now rather than when the tender drops. We can usually tell you within one call whether you are close or years away, and we would rather say the second thing early than take your money and discover it in month three.

CREST Accredited Penetration Testing in Adelaide

Siege Cyber is a CREST-accredited company for penetration testing. The accreditation is assessed and held at company level and is verifiable on the CREST member register. In Adelaide that matters most for Defence industry work, where accreditation gets checked before price, and where the discipline the accreditation covers gets checked as well.

What we actually do. Penetration testing that produces the evidence a prime contractor or assessor will accept, Essential Eight maturity assessments that are honest about your current level rather than flattering, and fixed-price ISO 27001 programmes. We are Brisbane based and work with Adelaide clients remotely, on site where it genuinely helps.