A Labour members’ database has been hacked, with the party warning that its rank and file could now be targeted by scammers.

Labour told members to be on alert for “suspicious emails” following the breach, which happened at a third-party organisation holding Labour’s data.

The National Crime Agency (NCA) is now leading an investigation into the cyber attack, which GCHQ and the Information Commissioner are also looking into.

Labour Party sources said they were still assessing the extent of members’ data that has been compromised, but believe credit card information has not been taken.

‘Significant quantity’ of data compromised

The party was told on Friday, October 29 of the “cyber incident”, but said its own computer systems were unaffected.

Sky News cited Labour sources who said that the incident was a ransomware attack, in whcih hackers lock down valuable information and then demand a fee to release it.

Labour said affected data included “information provided to the party by its members, registered and affiliated supporters, and other individuals”.

As a result a “significant quantity” of that data had been left “inaccessible” on those systems.

Labour did not identify the third-party organisation at the centre of the breach, nor did it confirm the number of members affected. However, the hack could potentially impact hundreds of thousands of Labour supporters, as the party has around 400,000 members.

Members urged to be vigilant

Following the…

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