Down and out: Aegon's pension pothole and TfL's mystery 'maintenance'

When is maintenance maintenance, and when is it 'we've been pwned'?
Sometimes, an extended period of 'maintenance' can mean a cyber incident. Other times, it can mean an IT team is struggling to make one system talk to another. The travails of Transport for London (TfL) and pensions manager Aegon are examples at both ends of the spectrum.…