PGP,Pretty Good Privacy
OTR,Off-the-Record Messaging
Cryptocat
"telephony metadata", telephony metadata includes comprehensive communcations routing information, including but not limited to session identifying information (e.g., originating and terminating telephone number, International Mobile Subscriber Identity (IMSI) number, International Mobile station Equipment Identity (IMEI) number, etc.), trunk identifier, telephone calling cardnumbers, and time and duration of call.
Tor
Outlook
Skype
Secure Socket Layer (SSL)
HTTP,Hypertext Transport Protocol
CDN,Content Delivery Network
GSM,Global System for Mobile Communications
- GPRS,General Packet Radio Service
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