diff --git a/VERIFY_ISO.md b/VERIFY_ISO.md
index 53a229349..79f245bab 100644
--- a/VERIFY_ISO.md
+++ b/VERIFY_ISO.md
@@ -1 +1,52 @@
-### An ISO will be available starting in RC1. 
+### 2.4.2-20230531 ISO image built on 2023/05/31
+
+
+
+### Download and Verify
+
+2.4.2-20230531 ISO image:  
+https://download.securityonion.net/file/securityonion/securityonion-2.4.2-20230531.iso
+
+MD5: 3BA7D8EF63C6AB7F429363A1A4163BD7  
+SHA1: FEA75AA5B0D30B6F8DB1A005F2E9F9EC88D5031A  
+SHA256: 5614AA6A6087EBEEA9376D42BEFF61BABE98BEECD74C69213645C6640B5841EB 
+
+Signature for ISO image:  
+https://github.com/Security-Onion-Solutions/securityonion/raw/2.4/main/sigs/securityonion-2.4.2-20230531.iso.sig
+
+Signing key:  
+https://raw.githubusercontent.com/Security-Onion-Solutions/securityonion/2.4/main/KEYS  
+
+For example, here are the steps you can use on most Linux distributions to download and verify our Security Onion ISO image.
+
+Download and import the signing key:  
+```
+wget https://raw.githubusercontent.com/Security-Onion-Solutions/securityonion/2.4/main/KEYS -O - | gpg --import -  
+```
+
+Download the signature file for the ISO:  
+```
+wget https://github.com/Security-Onion-Solutions/securityonion/raw/2.4/main/sigs/securityonion-2.4.2-20230531.iso.sig
+```
+
+Download the ISO image:  
+```
+wget https://download.securityonion.net/file/securityonion/securityonion-2.4.2-20230531.iso
+```
+
+Verify the downloaded ISO image using the signature file:  
+```
+gpg --verify securityonion-2.4.2-20230531.iso.sig securityonion-2.4.2-20230531.iso
+```
+
+The output should show "Good signature" and the Primary key fingerprint should match what's shown below:
+```
+gpg: Signature made Wed 31 May 2023 02:17:07 PM EDT using RSA key ID FE507013
+gpg: Good signature from "Security Onion Solutions, LLC <info@securityonionsolutions.com>"
+gpg: WARNING: This key is not certified with a trusted signature!
+gpg:          There is no indication that the signature belongs to the owner.
+Primary key fingerprint: C804 A93D 36BE 0C73 3EA1  9644 7C10 60B7 FE50 7013
+```
+
+Once you've verified the ISO image, you're ready to proceed to our Installation guide:  
+https://docs.securityonion.net/en/2.4/installation.html
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