| Delaware                             |                                   |
|--------------------------------------|----------------------------------------|
| (State      or Other Jurisdiction of | 22-2413505                             |
| Incorporation      or Organization)  | (IRS      Employer Identification No.) |

|                |         Name      of Each Exchange |
|---------------------|----------------------------------------------|
| Title of Each Class | On Which Registered                          |
| None                | None                                         |

| Large      accelerated filer  o |   | Accelerated      filer  o |   | Non-accelerated      filer  o (Do not check if a smaller      reporting company) |   | Smaller      reporting company  x |
|--------------------------------------|--------|--------------------------------|--------|--------------------------------------------------------------------------------------------|--------|----------------------------------------|

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|   | § | ITEM      15 Exhibits is being revised to reflect the filing of Exhibits 3.2, 4.6,      4.7, 4.8, and 4.9 and to correct the dates on Exhibits 4.6, 4.7, 4.8, and      4.9. |
|--------|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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| Exhibit No. |   | Description                                                                                                                                                                           |
|-------------|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|        |   |                                                                                                                                                                                  |
| 3.1         |   | Certificate      of Incorporation of the Company, as amended through December 31, 2005.      /(7)/                                                                                    |
|        |   |                                                                                                                                                                                  |
| 3.2         |   | Certificate      of Amendment of the Certificate of Incorporation of Clacendix, Inc., filed      on July 15, 2008. *                                                                  |
|        |   |                                                                                                                                                                                  |
| 3.3         |   | By-Laws      of the Company. /(1)/                                                                                                                                                    |
|        |   |                                                                                                                                                                                  |
| 4.1         |   | 1994      Stock Option Plan of the Company. /(7)/                                                                                                                                     |
|        |   |                                                                                                                                                                                  |
| 4.2         |   | 1998      Stock Option Plan of the Company. /(1)/+                                                                                                                                    |
|        |   |                                                                                                                                                                                  |
| 4.3         |   | 2000      Stock Option Plan of the Company. /(7)/                                                                                                                                     |
|        |   |                                                                                                                                                                                  |
| 4.4         |   | 2006      Stock Option Plan of the Company. /(7)/                                                                                                                                     |
|        |   |                                                                                                                                                                                  |
| 4.5         |   | Form      of Warrant Agreement by and between the Company and McGat Enterprises,      LLC, dated January 29, 2007. /(10)/                                                             |
|        |   |                                                                                                                                                                                  |
| 4.6         |   | Form      of Warrant Agreement by and between the Company and Allan Dlugash dated      August 14, 2007.*                                                                              |
|        |   |                                                                                                                                                                                  |
| 4.7         |   | Form      of Warrant Agreement by and between the Company and Ira Kevelson dated      August 14, 2007.*                                                                               |
|        |   |                                                                                                                                                                                  |
| 4.8         |   | Form      of Warrant Agreement by and between the Company and Frank Russo dated      August 14, 2007.*                                                                                |
|        |   |                                                                                                                                                                                  |
| 4.9         |   | Form      of Warrant Agreement by and between the Company and Carmen Vena dated      September 10, 2007.*                                                                             |
|        |   |                                                                                                                                                                                  |
| 10.1        |   | Stock      Purchase Agreement dated August 11, 2000 by and between the Company and      the parties identified therein. /(2)/                                                         |
|        |   |                                                                                                                                                                                  |
| 10.2        |   | Purchase      Agreement by and between the Company and the Selling Shareholders set      forth therein dated February 7, 2002. /(3)/                                                  |
|        |   |                                                                                                                                                                                  |
| 10.3        |   | Amended      and Restated Employment Agreement dated September 8, 2003, by and between      the Company and Norman E. Corn. /(5)/+                                                    |
|        |   |                                                                                                                                                                                  |
| 10.4        |   | First      Amendment to the Amended and Restated Employment Agreement dated September      8, 2003 by and between the Company and Norman E. Corn dated November 10,      2004. /(6)/+ |
|        |   |                                                                                                                                                                                  |
| 10.5        |   | Employment      Agreement dated September 15, 2003 by and between the Company and Patrick      E. Delaney. /(4)/+                                                                     |
|        |   |                                                                                                                                                                                  |
| 10.6        |   | First      Amendment to the Employment Agreement dated September 15, 2003 by and      between the Company and Patrick E. Delaney dated November 10, 2004.      /(6)/+                 |
|        |   |                                                                                                                                                                                  |
| 10.7        |   | Option      Agreement dated January 28, 2004 by and between the Company and Norman E.      Corn. /(6)/+                                                                               |
|        |   |                                                                                                                                                                                  |
| 10.8        |   | Option      Agreement dated January 28, 2004 by and between the Company and Patrick E.      Delaney. /(6)/+                                                                           |

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| Exhibit No. |   | Description                                                                                                                    |
|-------------|--------|--------------------------------------------------------------------------------------------------------------------------------|
|        |   |                                                                                                                           |
| 10.9        |   | Purchase      Agreement by and between the Company and the purchasers named therein      dated March 31, 2005. /(8)/           |
|        |   |                                                                                                                           |
| 10.10       |   | Registration      Rights Agreement by and between the Company and the investors named      therein dated March 31, 2005. /(8)/ |
|        |   |                                                                                                                           |
| 10.11       |   | Form      of Incentive Stock Option Agreement under ION Networks, Inc. 2006 Stock      Incentive Plan. /(9)/+                  |
|        |   |                                                                                                                           |
| 10.12       |   | Form      of Nonqualified Stock Option Agreement under ION Networks, Inc. 2006 Stock      Incentive Plan. /(9)/+               |
|        |   |                                                                                                                           |
| 10.13       |   | Form      of Restrictive Stock Option Agreement under ION Networks, Inc. 2006 Stock      Incentive Plan. /(9)/+                |
|        |   |                                                                                                                           |
| 10.14       |   | Asset      Purchase Agreement by and between Cryptek, Inc. and ION Networks, Inc.      dated November 19, 2007. /(11)/         |
|        |   |                                                                                                                           |
| 10.15       |   | Letter      Agreement dated December 19, 2007, between the Company and Norman E. Corn.      /(12)/+                            |
|        |   |                                                                                                                           |
| 10.16       |   | Letter      Agreement dated December 19, 2007, between the Company and Patrick E.      Delaney. /(12)/+                        |
|        |   |                                                                                                                           |
| 21.1        |   | List      of Subsidiaries. /(6)/                                                                                               |
|        |   |                                                                                                                           |
| 23.1        |   | Independent      Registered Public Accountants Consent /13/                                                                    |
|        |   |                                                                                                                           |
| 31.1        |   | Certification      of CEO Pursuant to Section 302 of the Sarbanes Oxley Act of 2002.      *                                    |
|        |   |                                                                                                                           |
| 31.2        |   | Certification      of CFO Pursuant to Section 302 of the Sarbanes Oxley Act of 2002.      *                                    |
|        |   |                                                                                                                           |
| 32.1        |   | Certification      of CEO Pursuant to Section 906 of the Sarbanes Oxley Act of 2002.      /14/                                 |
|        |   |                                                                                                                           |
| 32.2        |   | Certification      of CFO Pursuant to Section 906 of the Sarbanes Oxley Act of 2002.      /14/                                 |

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|   | CLACENDIX,      INC. |
|--------|----------------------|
|   |                 |   |
|   | By:                  |  /s/ Norman E. Corn |
|   |                 | Norman      E. Corn |
|   |                 | Chief      Executive Officer and |
|   |                 | Director |

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