BRIEF-Goldman Sachs CEO 'still optimisitic' about economy -CNBC

Fri Jan 24, 2014 8:25am EST

Jan 24 (Reuters) - Goldman Sachs Group Inc : * CEO Lloyd Blankfein says 'still optimisitic' about economy -CNBC interview * Goldman CEO Blankfein says worried about finance 'vulnerability' to cyber

attacks and technology 'glitches' -CNBC interview