A data breach victim has launched a legal claim for compensation.
A criminal investigation was launched in November last year after an island-based bank and trust company was targeted in a hacking attack.
The hackers targeted Cayman National Bank (Isle of Man) Ltd and its sister company Cayman National Trust Company (Isle of Man) Ltd.
A criminal hacking group has claimed responsibility for the data theft. It claims to have published 2TB of confidential data.
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One of its victims, who wishes to remain anonymous, worked for the bank between 2009 and 2010 before leaving the island in 2013 to move to the UK.
His National Insurance details, email address and various other personal details are now freely available in the public domain, he claims.
He has lodged a formal complaint with the island’s Information Commissioner.
And he has now instructed specialist data protection solicitors in the UK to pursue a claim for compensation.
He said: ’Cayman National Bank (Isle of Man) Limited suffered from a catastrophic data breach and over 2TB of data is now in the public domain.
’Why did Cayman hold any personal records at all given that I left their employment in July 2010?
’Cayman has allowed my personal data in to the public domain without my consent.’
The data breach victim said he had contacted Cayman giving them a chance to compensate him, before taking legal action.
Cayman National said it takes any breach of data security very seriously.
In an update issued earlier this year, the bank said it has been working intensively with specialist cyber security consultants to investigate the nature of the breach, identify the data that’s been stolen and strengthen its IT security systems.
It said there remains a risk of the stolen data being used for fraudulent purposes and urged anyone whose personal data may have been compromised to remain vigilant for any suspicious communications requesting information or payment.