- resilience to DDoS attacks. I was just curious as to whether
architecture has proven resistance to attack

our

At high level our architecture resists DDoS attacks via use of multiple layers of security. An
attack
would need to successfully beach the following layers
to reach our web servers:

In general terms our experience is that most external DDoS attacks are stopped at the
or, increasingly, in front of it as cloud services are more widely utilised. The
2016 Online Census uses
for key web-facing elements such as
content and email delivery.