more fun history:

   Controversy
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   In relation to the above, it is worth noting that both the initial
   owner of Omnisec, Urs Ingold, and the first director, Pierre Schmid,
   are mentioned in the CIA documents about [1]Operation RUBICON, as being
   well-known by the American intelligence community, whatever that means
   [2][8].
   Another name that turns up in relation to Omnisec, is Ueli Maurer,
   Professor at the ETH in Zürich, and between 1988 and 2015 technical
   advisor at Omnisec. Although he previously denied it, he now confirms
   that he was approached by the [3]NSA in 1989, but had turned them down
   [4][10][5][11].
   Further suggestions that he and/or his colleages might have cooperated
   with the intelligence services, are found in the [6]Operation RUBICON
   documents [7][8]. In 1993, shortly after release of [8]Crypto AG sales
   representative [9]Hans Bühler from an Iranian prison, ^3 the Swiss
   Bundespolizei (BuPo) investigated the allegations that [10]Crypto AG
   equipment might have been rigged by foreign intelligence services.
   Swiss military officials subsequently informed the [11]CIA that they
   had:

   "the ability to ensure that the official results of any
   investigation will show no manipulation of the gear"

   They also informed the [12]CIA that, should the investigation be
   subcontracted to the ETH in Zürich, they could handle four of the five
   cryptomathematicians who could become involved in the investigation. In
   other words: the ETH was in their pocket.
   - [13]https://cryptomuseum.com/manuf/omnisec/index.htm

References

   1. https://cryptomuseum.com/intel/cia/rubicon.htm
   2. https://cryptomuseum.com/manuf/omnisec/index.htm#ref_8
   3. https://cryptomuseum.com/intel/nsa/index.htm
   4. https://cryptomuseum.com/manuf/omnisec/index.htm#ref_10
   5. https://cryptomuseum.com/manuf/omnisec/index.htm#ref_11
   6. https://cryptomuseum.com/intel/cia/rubicon.htm
   7. https://cryptomuseum.com/manuf/omnisec/index.htm#ref_8
   8. https://cryptomuseum.com/manuf/crypto/index.htm
   9. https://cryptomuseum.com/people/buehler/hans.htm
  10. https://cryptomuseum.com/crypto/hagelin/index.htm
  11. https://cryptomuseum.com/intel/cia/index.htm
  12. https://cryptomuseum.com/intel/cia/index.htm
  13. https://cryptomuseum.com/manuf/omnisec/index.htm