Information Commissioner

Breakaway MP Tried To Hack Labour Voter Database, Party Claims

But The Independent Group denies any wrongdoing.
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Baby Website Fined £140,000 For Selling 1 Million Mums' Data To The Labour Party

Data helped Labour target marginal seats at 2017 election.
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Facebook Faces Record £500,000 Fine By UK's Data Watchdog

Eleven political parties were also issued with warning notices.
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MPs' Staff's 'Extremely Sensitive Personal Information' Published After Data Breach

An investigation into how it happened is underway.
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