How safe is a ledger???

BitcoinBitcoin
$19,865.43
‑1.45%
1M Ago
self.Bitcoin
I have all key words…but I need too update their site. Or my computer.. Every time I need to plug in to send coin to my ledger ???? Why … Is there something I’m missing???? All be it once a year. That 1 day when can afford.