0-day vulnerabilities that look like planted Backdoors found in Samsung smartphone/mobile chips: https://finance.yahoo.com/news/android-phones-exploitable-flaws-google-175410741.html https://googleprojectzero.blogspot.com/ https://semiconductor.samsung.com/support/quality-support/product-security-updates/ Samsung Electronics Co. Ltd. (005930.KS) is the biggest company/conglomerate headquartered in South Korea.