How NGN’s hacking and related costs topped £1bn
2011
2011
2011
2011
2012
2012
2012
2012
2013
2013
2013
2013
2014
2014
2014
2014
2015
2015
2015
2015
2016
2016
2016
2016
2017
2017
2017
2017
2018
2018
2018
2018
2019
2019
2019
2019
2020
0
50M
100M
150M
200M
250M
300M
350M
400M
450M
500M
550M
600M
650M
700M
750M
800M
850M
900M
950M
1B
Total accumulated cost (£)
