Rp120 billion fraud in 3 hours. We broke the case.
DFI led the digital forensic investigation behind the first BI-FAST fraud cases solved in Indonesia — and has turned digital traces into court-ready evidence since 2006.
Same pattern later hit 8 banks, Jun 2024 – May 2025.
Trusted by leading institutions in Indonesia
BI-FAST & BI-RTGS fraud. The cases others couldn’t crack.
When critical national payment infrastructure is exploited, conventional security analysis often reaches dead ends. DFI reconstructs byte-level evidence to establish forensic proof admissible under legal standards.
Every case handled with strict confidentiality and chain-of-custody protocols.
Exclusive BI-FAST expertise
We have successfully resolved identical BI-FAST fraud cases that involved organised crime.
Exclusive BI-RTGS expertise
We have successfully resolved internal RTGS fraud cases that involved organised crime.
Forensic certainty
Our methodology guarantees accurate, legally defensible findings that restore stakeholder trust.
Regulatory & reputation protection
We ensure compliance with OJK, BI and PDP Law requirements while mitigating public and shareholder concerns.
End-to-end digital forensics,
from first response to the courtroom.
Digital Forensic Investigation
We identify, preserve and analyse evidence from computers, phones, cloud and CCTV.
Expert Witness
Our certified experts present digital evidence clearly and defensibly in court.
Forensic Consulting
Technical advisory for computer-based fraud, data leakage and internal investigations.
OSINT & Digital Footprint
We trace people, accounts and activity across open sources to support investigations.
Data Recovery
We recover deleted, damaged or encrypted data while keeping its evidential value.
Penetration Testing & Reverse Engineering
We test your systems as an attacker would and dissect malware.
Our latest investigations
Full write-ups of our most recent cases: what happened, how the attackers worked, and what to fix. Client details are withheld unless already public.
Rp120 billion in 3 hours: inside the BI-FAST fraud
How our forensic investigation traced unauthorised BI-FAST transfers at a participating bank back to the people behind them.
They used the bank’s own tools: inside an internal RTGS fraud
A 7-stage compromise, from a development server and a phishing email to illegal RTGS transfers, reconstructed from forensic evidence.
Trusted with Indonesia’s most sensitive cases since 2006.
A selection of cases handled for law enforcement, prosecutors, law firms, banks and corporations. Client names are withheld unless already public.
Real cases.
Not theory.
Five reasons corporate, banks, law firms and law enforcement bring their hardest cases to us.
Real case experience, not just theory
Our methods come from incidents we have actually investigated, including the Rp120 billion BI-FAST fraud: first-hand insight, not hypothetical scenarios.
Led by industry-recognised experts
Our work is led by Ruby Alamsyah, one of Indonesia’s most trusted names in digital forensics, with decades of hands-on investigative and courtroom experience.
Specialised in high-tech financial crime
From banking fraud to insider threats and cross-border cybercrime, we have helped financial institutions contain and resolve major incidents.
Proven forensic methodology
Aligned with global best practices, so evidence stays valid from acquisition to the courtroom.
Proprietary tools and frameworks
Built in-house to preserve, analyse and present digital evidence.
Our 5-step investigation process, fully confidential.
Consult
Confidential first discussion of your case and scope.
Preserve
Evidence acquired and secured with a documented chain of custody.
Analyse
Examination in our lab with industry-standard forensic tools.
Report
Clear findings for investigators, lawyers and management.
Testify
Our experts explain the findings in court when needed.
Ruby Alamsyah
Director & Digital Forensic Lead
Ruby has spent 25+ years in IT infrastructure and information security, and has led DFI since 2006. He has served as a digital forensic expert in some of Indonesia's most prominent cases and was the first Indonesian member of the High Technology Crime Investigation Association (HTCIA).
Learn digital forensics from practitioners.
BI-Fast Fraud Training
IT Security, Digital Forensics & Lesson Learned from Banking Cases in Indonesia for Board of Director Level
BI-Fast Fraud Training
IT Security, Digital Forensics & Lesson Learned from Banking Cases in Indonesia for Working Level
Cybersecurity Awareness & Cyber Resilience Program
Forensic-driven, interactive, and case-based executive training program
Facing a digital incident? Let's talk.
Every consultation is confidential. Our team typically responds within 1 working day.
Prosperity Tower, 21st Floor, District 8, SCBD
Jl. Jend. Sudirman Kav. 52–53, Jakarta 12190