Competitors who used the recent hacking of USIM information at SK Telecom as a marketing tool are be.. 매일경제
Source: GoogleNews
Source Link: https://news.google.com/rss/articles/CBMiU0FVX3lxTE5USlg3R0lCLXdRNm9Fam9nZGtKNDFzakFDRVpZdTBiczhadW96bzctYUVNZXAyWUxVMlNVaU1DV0FHWGFJbE0yOGFRNmVuWEFPdy00?oc=5