Anti-tamper protected enclosure

1. A device for containing sensitive data comprising:

a housing;

an anti-tamper protected enclosure located within said housing and being adapted to contain said sensitive data;

anti-tamper protection circuitry located within said anti-tamper protected enclosure;

at least one ball grid array device arranged within said housing and mounted on an outer surface of said anti-tamper protected enclosure, said at least one ball grid array device including a multiplicity of balls, at least a plurality of which are electrically coupled to said anti-tamper protection circuitry for protecting against unauthorized access to the interior of said anti-tamper protected enclosure;

wherein said at least one ball grid array device includes balls which are not electrically connected to said anti-tamper protection circuitry; and

wherein said anti-tamper protection circuitry is operative, in an event of physical tampering with at least one of said at least one ball grid array device, to perform at least one of the following actions: generate an alarm indication, disable the device and erase said sensitive data.

2. The device according to claim 1 , and also comprising a confidential data storage element located within said anti-tamper protected enclosure.

3. The device according to claim 1 , wherein said at least one ball grid array device includes wire-bonded circuitry.

4. The device according to claim 1 , wherein said anti-tamper protected enclosure includes at least one conductor network which is electrically coupled to said anti-tamper protection circuitry.

5. The device according to claim 4 , wherein said anti-tamper protection circuit is coupled to said at least one conductor network via said at least one ball grid array device.

6. The device according to claim 5 , wherein said anti-tamper protection circuitry is coupled to said at least one conductor network by electrical connections extending through vias which are physically protected by said at least one ball grid array device.

7. The device according to claim 1 , wherein a physical location of said at least one ball grid array device is selected to provide physical protection to at least one electrical connection within said anti-tamper protected enclosure.

8. The device according to claim 1 , wherein said anti-tamper protected enclosure comprises at least one flexible printed circuit board.

9. The device according to claim 1 , wherein said anti-tamper protected enclosure comprises at least one rigid printed circuit board.

10. The device according to claim 1 , wherein said device is a point of sale terminal.

11. An anti-tamper protected enclosure comprising:

anti-tamper protection circuitry located within said anti-tamper protected enclosure;

at least one ball grid array device mounted on an outer surface of said anti-tamper protected enclosure, said at least one ball grid array device including a multiplicity of balls, at least a plurality of which are electrically coupled to said anti-tamper protection circuitry for protecting against unauthorized access to the interior of said anti-tamper protected enclosure;

wherein said at least one ball grid array device includes balls which are not electrically connected to said anti-tamper protection circuitry; and

wherein said anti-tamper protection circuitry is operative, in an event of physical tampering with at least one of said at least one ball grid array device, to generate an alarm indication.

12. The anti-tamper protected enclosure according to claim 11 , and also comprising a confidential data storage element located within.

13. The anti-tamper protected enclosure according to claim 11 , including at least one conductor network which is electrically coupled to said anti-tamper protection circuitry.

14. The anti-tamper protected enclosure according to claim 13 , wherein said anti-tamper protection circuitry is coupled to said at least one conductor network via said at least one ball grid array device.

15. The anti-tamper protected enclosure according to claim 14 , wherein said anti-tamper protection circuitry is coupled to said at least one conductor network by electrical connections extending through vias which are physically protected by said at least one ball grid array device.

16. The anti-tamper protected enclosure according to claim 11 , wherein a physical location of said at least one ball grid array device is selected to provide physical protection to at least one electrical connection within said anti-tamper protected enclosure.

17. The anti-tamper protected enclosure according to claim 11 , wherein said anti-tamper protected enclosure comprises at least one flexible printed circuit board.

18. The anti-tamper protected enclosure according to claim 11 , wherein said anti-tamper protected enclosure comprises at least one rigid printed circuit board.

19. The anti-tamper protected enclosure according to claim 1 , wherein said anti-tamper protection circuitry includes a comparison circuit.

20. The anti-tamper protected enclosure according to claim 11 , wherein said at least one ball grid array device includes wire-bonded circuitry.