mention KO attacks

1 year ago · b476dc37b5
parent ad340b5f18
commit b476dc37b5
1 changed files with 2 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -1183,6 +1183,8 @@ Once keys are moved to YubiKey, they cannot be moved again! Create an **encrypte

 As an additional backup measure, consider using a [paper copy](https://www.jabberwocky.com/software/paperkey/) of the keys. The [Linux Kernel Maintainer PGP Guide](https://www.kernel.org/doc/html/latest/process/maintainer-pgp-guide.html#back-up-your-master-key-for-disaster-recovery) points out that such printouts *are still password-protected*. It recommends to *write the password on the paper*, since it will be unlikely that you remember the original key password that was used when the paper backup was created. Obviously, you need a really good place to keep such a printout.

+It is strongly recommended to keep even encrypted OpenPGP private key material offline to deter [key overwriting attacks](https://www.kopenpgp.com/), for example.
+
 **Linux**

 Attach another external storage device and check its label: