diff --git a/book/source/05-private.md b/book/source/05-private.md
index ed30d76..c10df3b 100644
--- a/book/source/05-private.md
+++ b/book/source/05-private.md
@@ -231,6 +231,10 @@ show examples for the operations in a private keystore.
 write
 ```
 
-### The KOpenPGP attack
+### Understanding key overwriting (KO) attacks 
 
-See [https://www.kopenpgp.com/](https://www.kopenpgp.com/)
+OpenPGP is subject to specific vulnerabilities known as key overwriting (KO) attacks. These attacks exploit weaknesses in how encrypted private keys or their metadata are handled, potentially leading to the leakage of secret data when a key is used. The core issue lies in OpenPGP's handling of Secret-Key packets, where corruption of the public, non-encrypted fields of these packets can cause the correct private key material to be used with corrupted public key parameters. This mismatch can result in private key leakage.
+
+Understanding KO attacks is crucial due to their potential to compromise the integrity and confidentiality of encrypted communications. KO attacks highlight the necessity for robust key validation procedures and the dangers of storing keys in insecure environments. As OpenPGP application developers, you should be aware of these risks to ensure the secure management of keys and to implement appropriate countermeasures.
+
+For comprehensive information on KO attacks, including background, attack vectors, countermeasures, and technical analyses, visit [KOpenPGP.com](https://www.kopenpgp.com/). It is based on the paper "Victory by KO: Attacking OpenPGP Using Key Overwriting" written by Lara Bruseghini, Daniel Huigens, and Kenneth G. Paterson for the Proceedings of ACM Conference on Computer and Communications Security, Los Angeles, November 2022.
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