Researchers analyze the security of MIFARE Classic cards, focusing exclusively on card-only attacks. They uncover multiple new attack vectors by examining the CRYPTO-1 algorithm, existing vulnerabilities, and a novel countermeasure.  Through a combination of reverse engineering, cryptanalysis, and experimental analysis, they demonstrate the ability to extract card data and keys, clone cards, and ultimately compromise […] The post Backdoor MIFARE Smart Cards Exposes User-Defined Keys On Cards appeared first on GBHackers on Security | #1 Globally Trusted Cyber Security News…