CompanyQ7514544· pop 7· linked from 28 articlesSilent CircleSign in to saveencrypted communications firm based in the Canton of Geneva, SwitzerlandConnectionsWashington, D.C.Entityfree softwareEntityQ40984Entitysource codeEntityHackerConceptvirtual private networkEntityQ364Entityopen-source softwareEntityNevisEntitySignalEntityinformation securityEntityproprietary softwareEntityXMPPEntitysubscriptionEntityprivately held companyEntityElectronic Frontier FoundationEntityLe Grand-SaconnexEntityend-to-end encryptionEntityPhil ZimmermannEntityforward secrecyEntityCategoriesCryptographic softwareCryptography companiesSwiss brands