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|Scenario Task Description=A secure chat promises involves confidentiality between the conversing parties - no one else can read the conversation in transittranscript. It is should also about include authenticity - whereby all parties can be confident of who they are chatting with each other. Theses properties are usually achieved through end-to-end encryption and the key verification. The chat record is not accessible to the service provider (e.g. Google, Microsoft, Yahoo, Facebook do not offer these services in their chat programs). Take a look at the [https://www.eff.org/secure-messaging-scorecard Secure Messaging Scorecard] from EFF to see how they rate various chat clientsthat claim security properties. <br /> <br />The standard for a secure two-party secure conversation is called [https://en.wikipedia.org/wiki/Off-the-Record_Messaging OTR - Off the record messaging] and several popular chat clients offer it, including [https://securityinabox.org/en/guide/pidgin/windows Pidgin with OTR] for Windows and Linux, [https://ssd.eff.org/en/module/how-use-otr-mac Adium] for Mac, [https://securityinabox.org/en/guide/jitsi/windows Jitsi] for all common desktop operating systems. The latter also includes secure audio and video conferencing. These clients work with your existing accounts on Google, Facebook, Yahoo, etc. and encrypt the conversation on the respective networks.<br /> <br /> Several chat clients are available as an add-on to your web browser, including [https://crypto.cat Cryptocat] and [https://mega.nz Mega]. There are Aside from that, several free messaging services offering offer similar encryption properties for messaging including [https://peerio.com/ Peerio] and [https://telegram.org/ Telegram]. All of the tools mentioned within are available as open source software and publicly disclose the encryption methods they employ in their software. <br /> <br />If you are interested in creating a secure and an anonymous conversation, please refer to [[I'd_like_to_have_an_anonymous_conversation]]