The British Library has a new temporary site up, with much more information available since I last checked. But in their FAQ they are anticipating ‘several months’ to assess and repair, and indicate similar organisations have taken over 12 months to get back up and running: www.bl.uk/cyber-incident

Edited above – the site says ‘over 12 months’, rather than ’12 months’. This expectation management is fair enough, but ‘over 12 months’ and ‘several months’ are obviously very vague. It’s over 12 months since the Battle of Waterloo, so this really doesn’t say anything. We are probably at a stage where PhDs, post-docs, research projects etc. which are dependent on BL collections are going to need reassessment and institutional support.