The UK's pensions and welfare ministry has slammed its outsourcing provider, SSCL, for sharing a document the department says it "inadvertently provided", a document that later surfaced in a legal dispute over a £370 million contract. As The Register reported earlier this year, Sopra Steria is suing the Department for Work and Pensions' (DWP) after it rejected its bid for a new shared service contract, and accepted rival Capita's bid instead. Via its SSCL subsidiary, which provides back office functions to the department, Sopra Steria also supports the current Oracle-based HR and finance system on which the DWP relies. Both Sopra Steria and the department agree that the document – referred to in the legal filings as "Comparison Document" – was sent to one employee and one contractor from that SSCL subsidiary in August 2025. Capita has already told The Register it took part in a robust procurement process and stands ready to work with the DWP to ensure a smooth transition of service and value for money.…