There is developing support for CKB on hardware wallets such as Ledger, imKey, and Trezor. 
It is important to note however, that hardware wallet support is not being developed directly by Nervos Network.

Check out this community-generated resource for guides on securing your CKB with hardware wallets.
You may also find resources on the r/NervosNetwork subreddit under the "Hardware Wallets" tab as shown below.

Reddit hardware wallet tab
The r/NervosNetwork tab for "Hardware Wallets".