Can your current collection workflow reliably reconstruct a threaded conversation from a private Slack channel or an eighteen-month-old Teams chat? For many forensic practitioners in Australia, the answer is "no"—not because the data doesn't exist, but because native "legal hold" exports often fail to capture the full metadata chain or ephemeral artifacts.
The Disappearing Evidence Trap is a technical reality where edited messages, deleted snippets, and "off-platform" encrypted chats fall through the cracks of standard IT backups. This session breaks down the forensic roadmap for capturing modern, transient communication in a way that survives the scrutiny of the Federal Court.
Key Technical Takeaways:
1. The Persistence Gap: Analyzing the decay of forensic artifacts in Slack vs. Teams over an 18-month horizon.
2. Export vs. Acquisition: Why native vendor tools (e.g., M365 Purview) may be legally insufficient for high-stakes forensic validation.
3. The Encryption Wall: Forensic methodologies for handling "Shadow IT" apps (Signal/WhatsApp) within the Australian regulatory framework.
Regional Sales Director - ANZ & Pacific Islands
Ashish leads the regional strategy for Exterro across Australia, New Zealand, and the Pacific Islands. Exterro is the industry leader in Legal GRC, providing the only platform that unifies Legal Operations, Digital Forensics, and Data Privacy. Ashish brings over 17 years of experience in the technology sector, with a deep specialization in
SaaS and enterprise communications.
Prior to joining Exterro, he held leadership roles at Headstrong Capital Markets (Genpact) and HP Poly, where he focused on bridging the gap between complex infrastructure and cloud-based collaboration tools (with Microsoft).
He now applies that same logic to the Legal GRC market, helping government agencies and corporations modernize their digital forensics and data risk workflows to meet the demands of a changing regulatory landscape.
Senior Digital Forensic Investigator
As a Senior Digital Forensic Investigator with over 15 years of law enforcement experience, Bobby is dedicated to advancing digital forensics within Papua New Guinea’s fight against corruption and financial crime. His background includes roles at the Serious Fraud Office (SFO), where he applied cutting-edge forensic technologies to investigate complex financial crimes including bribery, corruption and internal investigations.
Passionate about integrity and transparency, he stays at the forefront of digital forensics advancements, collaborating with stakeholders to uphold justice. His goal is to leverage his expertise to strengthen ICAC’s capabilities and contribute to a fairer, more transparent society in PNG.
Digital Forensics Investigator
Arun is a Digital Forensics Investigator with South Australia Police, specialising in mobile, computer, vehicle and cloud forensics. Certified CFCE, CAWFE , CMDE and CCE, he also serves as an IACIS Mentor and Peer Review Coach, helping develop examiners through technical guidance and review.
He is passionate about research and development, building and refining forensic tools, workflows, and methodologies that strengthen investigative capability and reliability.
Driven by accuracy, ethics, and continuous learning, he aims to deliver high-quality forensic outcomes that support evidence-based policing and the broader digital forensics community.