The Serious Fraud Office (SFO) has said it appointed former security chief at the Palace of Westminster, Peter Mason CBE, to look into the data loss.
Mr Mason is said to have concluded that it was accidental, and made a number of recommendations which have all been accepted by the SFO.
More top news
A Labour MP has accused aides to Jeremy Corbyn and John McDonnell of a 'violation of privacy, security and confidentiality'.
Hate crime offenders face being slapped with tougher sentences after a surge in reports of abuse and attacks following the EU referendum.
Despite the sunshine in short supply in the places the next few days - it stays warm and a little humid and close in places.