It's become very clear as the public enquiry has progressed [1] that Fujitsu were:
- aware of several bugs - including ones they'd fully understood the cause and mechanics of - that would induce double-counting of transactions
- aware that criminal prosecutions were underway against users of the system in which just such double-counted transactions would clearly have had a material impact on the case and the evidence aduced
- failed to raise the above in a timely manner, either to the Post Office who had directly requested audit logs, to external auditors, or to the justice system itself
It's become very clear as the public enquiry has progressed [1] that Fujitsu were:
- aware of several bugs - including ones they'd fully understood the cause and mechanics of - that would induce double-counting of transactions
- aware that criminal prosecutions were underway against users of the system in which just such double-counted transactions would clearly have had a material impact on the case and the evidence aduced
- failed to raise the above in a timely manner, either to the Post Office who had directly requested audit logs, to external auditors, or to the justice system itself
[1] https://www.theguardian.com/uk-news/2024/jan/17/post-office-...