There is much misinformation on the topic of SIM card cloning. This video shows the cloning process in detail, and answers the questions of when, how and what SIM card cloning actually is. Help support the future of this channel using SuperThanks here on YouTube, Or by subscribing on Patreon to help support this channel https://www.patreon.com/JanusCycle GSM Cloning History http://www.isaac.cs.berkeley.edu/isaac/gsm.html Nick Vs Networking on modern SIM card Authentication https://nickvsnetworking.com/confidentiality-algorithms-in-3gpp-milenage-xor-comp128/ Music: Depeche Mode - Policy Of Truth (Eric Lymon Remix)