S1 (SONE) 8-K Other events

FORM 8-K
CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported):April 7, 2003

S1 CORPORATION(Exact name of registrant as specified in its charter)

DELAWARE	000-24931	58-2395199
State or other jurisdiction of incorporation	Commission File Number	IRS Employer Identification No.

3500 Lenox Road, Suite 200, Atlanta, Georgia 30326(Address of principal executive offices)

Registrant’s telephone number, including area code:(404) 923-3500

NOT APPLICABLE(Former name or former address, if changed since last report)

ITEM 5.     OTHER EVENTS.

     On April 7, 2003, S1 Corporation (“S1”) issued a press release announcing the preliminary financial results of operations for the first quarter of 2003. That press release is filed as Exhibit 99.1 to this report.

ITEM 7.     FINANCIAL STATEMENTS AND EXHIBITS.

(a)	Not applicable.
(b)	Not applicable.
(c)	Exhibits.
	99.1           Press release dated April 7, 2003.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	S1 CORPORATION (Registrant)
	/s/ Matthew Hale Matthew Hale Chief Financial Officer
Date: April 7, 2003