Hacked off: banks demand answers after Ion cyber attack
Clients left in the dark about ransomware attack that disrupted futures trading last month
Back-office staff at a bank in London arrived at work on the last day of January to find the software they used to process futures trades no longer worked. They promptly informed the vendor, Ion Group, and waited for a response. And waited.
“Hours after we reported the issue, we got an email confirming the system was down,” says an executive at the bank.
That morning, Ion discovered that some of
Only users who have a paid subscription or are part of a corporate subscription are able to print or copy content.
To access these options, along with all other subscription benefits, please contact info@risk.net or view our subscription options here: http://subscriptions.risk.net/subscribe
You are currently unable to print this content. Please contact info@risk.net to find out more.
You are currently unable to copy this content. Please contact info@risk.net to find out more.
Copyright Infopro Digital Limited. All rights reserved.
As outlined in our terms and conditions, https://www.infopro-digital.com/terms-and-conditions/subscriptions/ (point 2.4), printing is limited to a single copy.
If you would like to purchase additional rights please email info@risk.net
Copyright Infopro Digital Limited. All rights reserved.
You may share this content using our article tools. As outlined in our terms and conditions, https://www.infopro-digital.com/terms-and-conditions/subscriptions/ (clause 2.4), an Authorised User may only make one copy of the materials for their own personal use. You must also comply with the restrictions in clause 2.5.
If you would like to purchase additional rights please email info@risk.net
More on Risk management
How US regulators could stop management driving Camels
Supporters flag disconnect from other indicators; critics fear early warnings will go unnoticed
Model Risk Benchmarking 2026: explore the data
View interactive charts from Risk.net’s 44-bank study, covering model inventories, resourcing, GenAI governance, validation and regulation
A third of banks do not maintain logs for GenAI models
Risk Benchmarking study finds few banks review prompt logs systematically, with larger firms focusing on higher risk use cases
Few banks formally evaluate GenAI human-in-the-loop controls
Risk Benchmarking: G-Sibs and challengers use tools to test controls efficacy; others rely on judgement
From gatekeeper to coach: model risk bids to reinvent itself
Model Risk Benchmarking data reveals a function in flux, grappling with resource cuts, AI models, regulatory divergence
CFTC backs clearing exemption for risk reduction runs
CCP sources concerned about switch to bilateral trades, as other regulators also soften rules
0DTE options and non-banks could accelerate market risk
Risk Live: Risk managers warn trading desks in “uncharted territory” with shocks moving faster
Anthropic curbs and cost fears spur banks to shop around for AI
Risk Live: Banks increasingly wary of reliance on US models amid uncertain geopolitical environment and mounting costs