It was down for an hour-and-a-half on Sunday morning from 10am.
A denial of service assault means the location was bombarded by visitors, which triggered it to cease working, the supply stated.
It isn’t the identical as hacking, during which whoever is accountable truly will get into an internet site and the location is compromised.
Neither the content material nor the techniques of the royal web site have been accessed on Sunday.
It’s at present unknown who’s accountable for the cyber assault, the supply stated.
The location is now up and working as ordinary.