EntityQ7098581· pop 8· linked from 84 articlesopportunistic encryptionSign in to savesystem that, when connecting to another system, attempts to encrypt the communications channel, otherwise falling back to unencrypted communicationsConnectionsSTARTTLSEntityTransport Layer SecurityEntityIPsecEntitydigital certificateEntityQ1052790EntitywiretappingEntitycertificate authorityEntitycomputerEntityMicrosoft WindowsEntityMicrosoftEntityemailEntityQ698EntityWebsiteConceptWorld Wide WebEntityweb browserEntityQ40984EntityHTTPEntityDomain Name ServerEntitycomputer securityEntityVoice over IPEntityCategoriesCryptographic softwareInternet privacyInternet Protocol based network software