DTB IN FRESH FRAUD STORM! Court Orders Bank to Pay Sh178M After SIM Swap Fraud as Dark History Comes Back to Haunt Lender
A Kenyan High Court in Machakos ordered Diamond Trust Bank (DTB) Kenya to pay 40% liability, about UGX 178 million, for a SIM swap fraud that stole about UGX 441 million from customer Mercy Wairimu Kariuki’s account in Feb 2022. Safaricom was found 60% liable, ordered to pay about UGX 263 million. The court said DTB could not rely on the correct PIN and must monitor suspicious activity.
How this was made

The 30-second read
Why it matters
A Kenyan High Court judgment assigns liability between DTB Kenya (40%) and Safaricom (60%) and dismisses DTB’s appeal, making compensation for the reported losses a concrete near-term obligation.
Market read
For traders focused on regional financials, the judgment is a quantified legal liability event tied to digital fraud controls, which can shift risk perception and provisioning expectations.
What to watch
The article does not quantify DTB’s total provisions, insurance coverage, or whether the judgment is immediately enforceable; those details could materially change the true earnings impact.
Background
The case stems from a SIM swap in February 2022 that enabled unauthorized access to a customer’s mobile banking, with transfers routed via DTB’s mobile banking platform and Pesalink.
Ticker impact
Diamond Trust Bank (DTB) is the subject of a Kenyan High Court ruling ordering DTB Kenya to pay about UGX 178 million for a SIM-swap fraud loss.
Near-term risk premium likely rises for DTB due to legal cost and reputational damage, though magnitude depends on DTB’s ability to provision/appeal and local market liquidity.
The article reports a specific court allocation of liability (DTB 40%, Safaricom 60%) and a quantified compensation amount, which is a concrete, decision-relevant event for the issuer.
Market effects
Raises scrutiny on banks’ fraud-detection controls for mobile banking and SIM-swap attack vectors, potentially increasing compliance and monitoring costs across the sector.
Could intensify customer and regulator focus on East African lenders’ digital security practices, especially in Kenya where DTB has active litigation.
Limited direct global linkage, but reinforces broader investor focus on cyber-risk and operational resilience in financial services.
Counterpoint
DTB’s financial impact may be limited if the amount is small relative to earnings/capital, and if DTB can recover part of the loss from other liable parties or through insurance.
Key entities
- companyDiamond Trust Bank (DTB)
Kenyan High Court ordered DTB Kenya to compensate a customer for losses from a SIM swap fraud, with DTB assigned 40% liability.
- companySafaricom
Telecommunications provider found 60% liable and ordered to pay roughly UGX 263 million in the same SIM swap fraud case.
- personMercy Wairimu Kariuki
Customer whose account losses (about UGX 441 million) were attributed to the SIM swap fraud and subsequent unauthorized transfers.
- courtKenyan High Court (Machakos)
Court that ruled on liability allocation and dismissed DTB’s appeal.
