How to covertly leak data from iOS
Luca Caviglione, Wojciech Mazurczyk · 2014
The growing diffusion of malware raises the attention of victims and security experts, while the escalation of infected devices dramatically inflates the volumes of generated data. Thus, developing some form of stealthiness is of prime importance to exfiltrate data or to not reveal attacks. To this aim, the preferred solution is information hiding, which enables to communicate without being noticed by a third-party observer. Originally introduced for written secrets, nowadays it is a core aspect to effectively assess network security. Recent examples of desktop malware successfully employing information hiding are: