Don't pass unencrypted static keys.

不要放过未加密的静态密钥。

youdao

Logon information is sometimes unencrypted.

登录信息有时并没有经过加密。

youdao

If not, it allows unencrypted communication.

否则，允许无加密通信。

youdao

The release also claims that user information on Sonypictures.com was stored in unencrypted, plain text format.

BBC: Sony investigating another hack

Much of the information taken in the Sony hacks was unencrypted and easily readable.

BBC: Sony investigating another hack

Almost all public networks allowed data such as user names and passwords to pass through the air unencrypted.

FORBES: Magazine Article