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Gain Capital UK

Disclosed Mar 10, 2023Confirmed

Official notice

UK ICO reprimand for security failings

Gain Capital UK have been issued a Reprimand in respect of Articles 32 (2) and 32 (1) (b). An unauthorised third party leveraged an unpatched software vulnerability to access Gain Capital’s systems and exfiltrate personal data relating to 72,361 UK Data Subjects. Gain Capital had a support contract in place with a third party whom they believed were responsible for notifying Gain Capital about software security updates, however the contract stipulated that upgrades were Gain Capital’s responsibility.

What is known

People affectedNot stated in the sources we have
DisclosedMar 10, 2023
AttackVendor breach
Data exposedNot stated
SectorTech · GB
StatusConfirmed
Lawsuit or fineUK ICO reprimand (2023-03-10)

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (UK ICO), confirmed by UK ICO. Record counts are as reported. Not legal advice.

Everything about Gain Capital UK