From supplier onboarding missteps to ineffective ongoing monitoring to a lack of due diligence, the list of compliance errors in this story is very, very long

The Post Office scandal is quickly gaining a reputation as one of the UK’s largest miscarriages of justice. For nearly 15 years, the UK Post Office went after operators of sub-post offices across the country, accusing them of committing theft, fraud and false accounting. Many of these sub-postmasters – over 700 were wrongfully prosecuted – were imprisoned, lost their livelihoods or faced bankruptcy. There are four suicides attributed to this scandal.

How did it go so wrong? The Post Office relied on its supplier, Fujitsu, and its Horizon IT system for which the Post Office had contracted to digitise social benefits payments.