Oct 26 (Reuters) - Credit Suisse Group AG (CSGN.S) is set to announce a major strategic overhaul on Thursday after a string of losses and risk management failures have put the embattled Swiss lender under investor scrutiny. Reuters Graphics Reuters GraphicsCredit Suisse Chairman Axel Lehmann, who pledged to reform the bank, said its capital base was strong. Reuters GraphicsSo far, questions about the bank's restructuring, and whether or not it will need fresh capital to fund it, remain open. On Wednesday it was close to levels seen before the early October market rout. Reuters Graphics($1 = 0.9891 Swiss francs)Reporting by Vincent Flasseur and Davide Barbuscia; Editing by Chris ReeseOur Standards: The Thomson Reuters Trust Principles.

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