RCS expanded as Rich Communications Services is the next generation SMS protocol aimed to replace the SMS and MMS services. It was taken over by GSM Association in the year February 2008. Starting from April 2018 Google started integrating RCS with its instant messaging mobile app Google Allo. RCS is the IP-based messaging service based on SIP and HTTP to provide various services such as group chats, video calls, file transfers and more. RCS Hacking Attacks According to the Security Research Labs report with some implementations RCS functionality not properly protected and it allows a range of different hacking attacks. The improper implementation of RCS functionality in many networks let hackers gain complete control over the user accounts by stealing RCS configuration files that include SIP and HTTP credentials. The implementation lack in certificate and domain validation which allows an attacker to intercept and manipulate communication in the middle and they also fa...
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