Johnson Winter Slattery
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Johnson Winter Slattery‘s team has a strong practice in data protection law, advising major Australian and international organisations on cyber incidents. Helen Clarke co-leads the team from Brisbane and is a technology, data, and cyber law expert, while Sydney-based Sophie Dawson takes the lead on privacy and data protection matters, with 20 years’ experience in data breach response issues. Together they advise clients across regulated, technology-driven sectors including healthcare, financial services, digital platforms, transport, education, and energy.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'Together, Helen Clarke and Viva Swords brought a balance of strategic leadership and detailed execution that was both rare and highly valued. Their contribution went well beyond the delivery of legal advice — they enabled us to resolve a complex and potentially damaging incident with clarity, speed, and confidence.'
- 'The JWS data protection and cyber security team provided us with exceptional support in the context of a data breach earlier this year. What makes the practice stand out is the combination of deep technical legal expertise with an ability to deliver clear, practical, and highly responsive advice in a crisis. '
Work highlights
Acting as Australian legal adviser to a high-profile Asia-based global online marketplace and e-commerce company on data protection and consumer terms, including privacy compliance and reviewing internal and external documentation against Australian law requirements.


