Research on Signal and other private messengers was conducted together with Jean-Philippe Aumasson (Principal Cryptographer at Kudelski Security).
The presentation will focus on the exposed attack surface, weaknesses in implementations, and limitations of the protocol.
Signal is regarded as the most secure messaging application and the Signal Protocol is also used by WhatsApp and other messengers. The vulnerabilities already published allow attackers to modify encrypted attachments and trigger application crashes. Additional research will be presented as well.
X41 D-Sec GmbH is an expert provider for application security services. Having extensive industry experience and expertise in the area of information security, a strong core security team of world class security experts enables X41 to perform premium security services.
Fields of expertise in the area of application security are security centric code reviews, binary reverse engineering and vulnerability discovery. Custom research and a IT security consulting and support services are core competencies of X41.