Exhibit 23.2
Consent
of Independent Registered Public Accounting Firm
The Board of Directors
ACI Worldwide, Inc.:
We consent to the incorporation by reference in the registration
statement
(No. 333-157952)
on
Form S-3
and (Nos.
333-169293,
333-123263,
333-113550,
333-88024,
333-88020,
333-59630,
333-59632,
333-33728,
333-73027,
333-93900,
333-2594,
and
333-146794)
on
Form S-8
of ACI Worldwide, Inc. of our report dated March 3, 2009,
with respect to the consolidated statements of operations,
stockholders equity and comprehensive income (loss), and
cash flows for the year ended December 31, 2008, which
report appears in the December 31, 2010 annual report on
Form 10-K
of ACI Worldwide, Inc.
Omaha, Nebraska
February 18, 2011