German encryption firm SecurStar has strenuously denied being behind an apparently independent test of voice encryption products that found many of its rivals could be hacked using a $100 phone-tapping program.
In a blog on the subject, Fabio Pietrosanti, founder and CTO of Swiss encryption startup Khamsa, alleges that a supposedly independent test of 15 encryption products was in fact a marketing exercise designed to publicise one of only three products to pass the hacking test, SecurStar's PhoneCrypt.

The tests by an anonymous researcher,

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