More is Less: How Group Chats Weaken the Security of Instant Messengers Signal, WhatsApp, and Threema.
Paul RöslerChristian MainkaJörg SchwenkPublished in: IACR Cryptol. ePrint Arch. (2017)
Keyphrases
- signal processing
- security issues
- information security
- access control
- intrusion detection
- non stationary
- statistical databases
- compressive sensing
- network security
- security requirements
- security problems
- security analysis
- high frequency
- security policies
- impulse response
- computer security
- measured data
- security systems
- information assurance
- security level
- original signal
- database
- functional requirements
- sensitive data
- smart card
- frequency domain
- multiscale
- image processing
- information systems
- neural network