The charity says a database containing details of its volunteers and fundraisers has been affected.
BBC Business News Articles
Coronavirus: Double virus tests ‘could cut quarantine time’
The government is said to be considering a new programme which could see some leave quarantine early.
Closing furlough ‘could lead to 10% unemployment’
An economic research group says there is a risk the scheme is coming to an end prematurely.
Selfridges: Staff cuts ‘toughest decision we’ve ever had to take’
Upmarket department store chain Selfridges is cutting 450 workers, 14% of its workforce.
‘Outrageous’ car loan commission banned
Car loans that encourage dealers to increase interest rates to get extra commission are to be banned.
Greggs on a roll as customers rush back
The bakery chain saw losses in the first half of 2020 but says sales are now 72% of last year's level.
‘Fix your bike’ vouchers launch, as doctors to prescribe bikes on NHS
The prime minister says GPs in areas with poor health will be encouraged to prescribe cycling.
British Airways faces strike threat over job cut plan
The head of the trade union Unite warns the airline that it plans to move towards industrial action.
Google’s new transatlantic data cable to land in Cornwall
The tech giant plans a new high-end transatlantic data cable to go from the US to Bude, in Cornwall.
Najib Razak: Former Malaysian PM guilty on all charges in corruption trial
Tuesday's verdicts centred on $10m transferred from a wealth fund to Najib Razak's private accounts.