About a-team Marketing Services
The knowledge platform for the financial technology industry
The knowledge platform for the financial technology industry

A-Team Insight Briefs

ION Derivatives Platform Hit by Cyber Attack

Subscribe to our newsletter

ION Cleared Derivatives, a division of ION Markets, was hit by a cyber attack earlier this week, which has impacted its ability to run overnight processing of derivatives trades on its platform. LockBit, the Russian-linked ransomware group, has claimed responsibility for the attack.

According to reports, 42 of ION’s customers have been affected by the attack, with several forced to process trades manually. The FIA (Futures Industry Association) is working with affected members to assess the impact of the attack, which is ongoing.

Subscribe to our newsletter

Related content

WEBINAR

Upcoming Webinar: Navigating the Build vs Buy Dilemma: Cloud Strategies for Accelerating Quantitative Research

Date: 20 May 2026 Time: 10:00am ET / 3:00pm London / 4:00pm CET Duration: 50 minutes For many quantitative trading firms and asset managers, building a self-provisioned historical market data environment remains one of the most time-consuming and resource-intensive steps in establishing a new research capability. Sourcing data, normalising symbologies, handling corporate actions and maintaining...

BLOG

Unlocking Wall Street’s Dark Data: How AI Agents are Transforming Trading Floor Chat

For decades, some of the most valuable information in financial markets has been hiding in plain sight. Client intent, actionable orders, and vital market colour have been locked within the unstructured, transient streams of human-to-human chat. On trading floors worldwide – particularly in over-the-counter (OTC) markets – this conversational data represents a multi-trillion-dollar blind spot:...

EVENT

RepRisk Sustainability Breakfast Roundtable London

The London sustainability breakfast is part of the global roundtable thought leadership event series hosted by RepRisk in key markets, including, New York, Toronto, London, Frankfurt, Oslo, Copenhagen, Stockholm, Hong Kong and Singapore in 2026.

GUIDE

Evaluated Pricing

Valuations and pricing teams are facing a much higher degree of scrutiny from both the regulatory community and the investor community in the glare of the post-crisis data transparency spotlight. Fair value price transparency requirements and the gradual move towards a more harmonised accounting standards environment is set within the context of the whole debate...