**Exhibit        31.1**

|  | 1. | I                        have reviewed this report on Form 10-Q of Data Systems& Software                        Inc.; |
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|  | 2. | Based                          on my knowledge, this report does not contain any untrue                          statement of a                          material fact or omit to state a material fact necessary                          to make the                          statements made, in light of the circumstances under which                          such statements                          were made, not misleading with respect to the period covered                          by this                          report; |
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|  | 3. | Based                            on my knowledge, the financial statements, and other                            financial information                            included in this report, fairly present in all material                            respects the                            financial condition, results of operations and cash flows                            of the                            registrant as of, and for, the periods presented in this                            report; |
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|  | 4. | The                              registrant's other certifying officer and I are responsible                              for                              establishing and maintaining disclosure controls and                              procedures (as                              defined in Exchange Act Rules 13a-15(e) and                              15d-15(e)) for the                              registrant and we have: |
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| (a)   | Designed                  such disclosure controls and procedures, or caused such disclosure                  controls and procedures to be designed under our supervision, to                  ensure                  that material information relating to the registrant, including                  its                  consolidated subsidiaries, is made known to us by others within                  those                  entities, particularly during the period in which this report is                  being                  prepared; |
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| (b)   | [Paragraph                  omitted in accordance with SEC transition instructions contained                  in SEC                  release Nos. 33-8238 and 34-47986] |
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| (c)   | Evaluated                  the effectiveness of the registrant's disclosure controls and procedures                  and presented in this report our conclusions about the effectiveness                  of                  the disclosure controls and procedures, as of the end of the period                  covered by this report based on such evaluation;                  and |
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| (d)   | Disclosed                  in this report any change in the registrant’s internal control over                  financial reporting that occurred during the registrant’s most recent                  fiscal quarter (the registrant’s fourth quarter in the case of an annual                  report) that has materially affected, or is reasonably likely to                  materially affect, the registrant’s internal control over financial                  reporting; and |
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|  | 5. | The registrant's other certifying                        officer and                        I have disclosed, based on our most recent evaluation of                        internal control                        over financial reporting, to the registrant's auditors and                        to the audit                        committee of the registrant's board of directors (or persons                        performing                        the equivalent function): |
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| (a)   | All                    significant deficiencies and material weaknesses in the design                    or                    operation of internal controls over financial reporting which                    are                    reasonably likely to adversely affect the registrant's ability                    to record,                    process, summarize and report financial information; and |
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| (b)   | Any                  fraud, whether or not material, that involves management or other                  employees who have a significant role in the registrant's internal                  control                  over financial reporting. |
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| Dated:                November 17, 2005 | By:                                                                             | /s/ George                Morgenstern |
|                                    | George                Morgenstern                Chief                  Executive Officer |
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