15-Year-old Finds Flaw in Ledger Crypto Wallet

"A 15-year-old security researcher has discovered a serious flaw in cryptocurrency hardware wallets made by Ledger, a French company whose popular products are designed to physically safeguard public and private keys used to receive or spend the user’s cryptocurrencies."

https://krebsonsecurity.com/2018/03/15-year-old-finds-flaw-in-ledger-crypto-wallet/

https://krebsonsecurity.com/wp-content/uploads/2018/03/ledgerattack.pdf