Exhibit 99.1
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For More Information:
Robert Stockwell, CFO
Security First Technologies
(404) 812-6780
Marcy Theobald, PR Manager
Security First Technologies
(404) 812- 6254

                   SECURITY FIRST TECHNOLOGIES ANNOUNCES
                            2-FOR-1 STOCK SPLIT

     ATLANTA,  April 14, 1999 Security First  Technologies  Corporation,  or S1,
(NASDAQ:  SONE), a premier provider of Internet financial services applications,
today  announced that its board of directors has approved a 2-for-1 split of its
common shares payable to its  shareholders of record as of the close of business
on April 26, 1999. Each  stockholder  will receive one additional share for each
share owned on the record date. The  additional  shares will be issued on May 7,
1999.  The stock  split  will  increase  the  number  of shares of common  stock
outstanding from approximately 12.5 million shares to approximately 25.1 million
shares.

About S1
Security First Technologies, or S1 (NASDAQ: SONE), builds, delivers and operates
integrated,  transactional  and brandable  Internet  applications  for financial
institutions.  S1?s secure solutions are available for in-house  implementations
or can be outsourced  to the S1 Data Center.  S1 also offers  training,  product
integration and customer  service center  outsourcing.  S1, through direct sales
and  channel  partnerships,  has agreed to  provide  software  applications  and
technology to more than 100 financial entities, including 14 of the top 100 U.S.
financial  institutions.  S1 has more than 375  employees  worldwide  and can be
reached at www.S1.com.

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Security First  Technologies and S1 are registered  trademarks of Security First
Technologies Corporation.  All other company and product names may be trademarks
of their respective owners.