FORM 6-K

                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549


                          For the month of March 2006

                            TOWER SEMICONDUCTOR LTD.
                 (Translation of registrant's name into English)

                          RAMAT GAVRIEL INDUSTRIAL PARK
                    P.O. BOX 619, MIGDAL HAEMEK, ISRAEL 23105
                    (Address of principal executive offices)

     Indicate by check mark whether the registrant files or will file annual
reports under cover Form 20-F or Form 40-F.

                         Form 20-F [X]   Form 40-F [_]

     Indicate by check mark whether the registrant by furnishing the information
contained in this Form is also thereby furnishing the information to the
Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

                               Yes [_]     No [X]




     On March 30, 2006, the Registrant announced that it Achieves ISO 17799
Certification for Security Management. Attached hereto is a copy of the press
release.

     This Form 6-K is being incorporated by reference into all effective
registration statements filed by us under the Securities Act of 1933.




                                   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, thereunto duly authorized.


                                                     TOWER SEMICONDUCTOR LTD.


Date: March 30, 2006                                 By: /S/ Nati Somekh Gilboa
                                                     --------------------------
                                                     Nati Somekh Gilboa
                                                     Corporate Secretary




              TOWER SEMICONDUCTOR ACHIEVES ISO 17799 CERTIFICATION
                             FOR SECURITY MANAGEMENT

             TOWER WILL BE GRANTED THE PRESTIGIOUS 'PLATINUM' STATUS

MIGDAL HAEMEK, ISRAEL - March 30, 2006 - Tower Semiconductor, Ltd., a pure-play
independent specialty wafer foundry (NASDAQ: TSEM; TASE: TSEM), today announced
it has achieved ISO 17799 certification from the Standards Institution of Israel
(SII) for the high quality of its security technology and implementations. This
security management standard covers deployment of awareness and controls
throughout all of Tower's departments and activities. The certification is
further evidence of Tower's commitment to safeguard its customers' information
and intellectual property in all business and manufacturing processes and work
procedures.

Furthermore, since this is Tower's fifth certification in quality standards,
Tower will be granted the prestigious 'Platinum' status. The other
certifications that Tower has attained are: ISO 9001- 2000 Quality Management
System; ISO/TS 16949 Quality System for the Automotive Industry; ISO 14001
Environmental Management Standard and IS 18001 Occupational Health and Safety
Management Standard.

The Standard Institution of Israel (SII) thoroughly audited Tower's security
systems and work plans. "We are proud to grant Tower with the ISO 17799
certification. The results of our certification audit place Tower among the top
organizations that share uncompromising commitment to quality." said Ziva Patir,
general manager of SII.

"Our ISO 17799 certification is testimony to Tower's commitment to maintain and
continually improve security management and its comprehensive integration in
Tower's work procedures to the benefit of all our customers and business
partners" said Shimon Dahan, vice president of manufacturing services of Tower
Semiconductor. "Achieving it is an important milestone in our strategic roadmap
as a trusted partner to our customers."

ABOUT ISO 17799

ISO 17799 is an international standard recognizing excellence in all aspects of
information security, including security policy, personnel security, physical
and environmental security, computer and network management, system access
control, and system development and maintenance




ABOUT TOWER SEMICONDUCTOR LTD.

Tower Semiconductor Ltd. is a pure-play independent specialty foundry
established in 1993. The company manufactures integrated circuits with
geometries ranging from 1.0 to 0.13 micron; it also provides complementary
technical services and design support. In addition to digital CMOS process
technology, Tower offers advanced non-volatile memory solutions, mixed-signal,
RF-CMOS and CMOS image-sensor technologies. To provide world-class customer
service, the company maintains two manufacturing facilities: Fab 1 has process
technologies from 1.0 to 0.35-micron and can produce up to 16,000 150mm wafers
per month. Fab 2 features 0.18-micron and below standard and specialized process
technologies, and has the current capacity of up to 15,000 200mm wafers per
month. Tower's Web site is located at www.towersemi.com.


SAFE HARBOR

This press release includes forward-looking statements, which are subject to
risks and uncertainties. Actual results may vary from those projected or implied
by such forward-looking statements. A complete discussion of risks and
uncertainties that may affect the accuracy of forward-looking statements
included in this press release or which may otherwise affect our business is
included under the heading "Risk Factors" in our most recent filings on Forms
20-F, F-1, F-3 and 6-K, as were filed with the Securities and Exchange
Commission and the Israel Securities Authority. We do not intend to update the
information contained in this release.

CONTACTS:

Tower Semiconductor USA
Michael Axelrod, 408-330-6871
pr@towersemi.com