Sort:  

That is what this discussion started with: get a Trezor from official site with seal. Reflash the firmware if you are this cautious.

FYI I have a huge chunk of my net worth inside one of it, I have no lesser concern than you on the security issues.

I shall thank you if you can pointing out any better options over hardware wallet, which so far you have not. Please feel free to enlighten me further.

I did in my initial post....

Coin Marketplace

STEEM 0.19
TRX 0.18
JST 0.033
BTC 88286.50
ETH 3019.87
USDT 1.00
SBD 2.77