Nine million EasyJet customers have had their personal details stolen in what has been described as a "highly sophisticated" hacking attack.
Confirming the cyber breach, the Luton-based airline said it believed there was "no evidence" that this information had been misused.
Of the nine million, 2,208 people had also had their credit card and passport details accessed.
Pictured: Over 2,000 people also had their credit card details stolen.
"We are communicating with the approximately 9 million customers whose travel details were accessed to advise them of protective steps to minimise any risk of potential phishing," EasyJet said in a statement.
"We're sorry that this has happened, and we would like to reassure customers that we take the safety and security of their information very seriously.
"EasyJet is in the process of contacting the relevant customers directly and affected customers will be notified no later than 26th of May."
Jersey's Fraud Prevention Forum has since issued a warning to islanders.
They are urging local EasyJet customers to be aware of any unusual activity on their bank accounts in future.
The advisory group also suggest that islanders set strong passwords, and watch out for any new emails claiming to be from EasyJet or their partner organisations.
The budget airline usually runs a daily service from Jersey to numerous UK destinations.
Pictured: EasyJet has been advertising flights from Jersey this summer.
These routes have been put on hold due to the pandemic, but EasyJet is advertising flights to London Gatwick from June, although the government has not yet confirmed whether leisure trips will be able to go ahead.
Pictured top: EasyJet planes at Gatwick. (Gareth James)
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