SAN FRANCISCO — A federal jury on Monday found Sushovan Hussain, the former chief financial officer of Autonomy Corp., guilty of fraudulently pumping up the software company’s financial returns in the run-up to its $11 billion purchase by Hewlett-Packard in 2011.

A 12-member jury returned a guilty verdict on all 16 counts of wire and securities fraud after a three-month trial and one week of deliberations.