2.3.140-20220812 ISO image:
https://download.securityonion.net/file/securityonion/securityonion-2.3.140-20220812.iso
MD5: 13D4A5D663B5A36D045B980E5F33E6BC
SHA1: 85DC36B7E96575259DFD080BC860F6508D5F5899
SHA256: DE5D0F82732B81456180AA40C124E5C82688611941EEAF03D85986806631588C
Signature for ISO image:
https://github.com/Security-Onion-Solutions/securityonion/raw/master/sigs/securityonion-2.3.140-20220812.iso.sig
Signing key:
https://raw.githubusercontent.com/Security-Onion-Solutions/securityonion/master/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/master/KEYS -O - | gpg --import -
Download the signature file for the ISO:
wget https://github.com/Security-Onion-Solutions/securityonion/raw/master/sigs/securityonion-2.3.140-20220812.iso.sig
Download the ISO image:
wget https://download.securityonion.net/file/securityonion/securityonion-2.3.140-20220812.iso
Verify the downloaded ISO image using the signature file:
gpg --verify securityonion-2.3.140-20220812.iso.sig securityonion-2.3.140-20220812.iso
The output should show "Good signature" and the Primary key fingerprint should match what's shown below:
gpg: Signature made Fri 12 Aug 2022 03:59:11 PM EDT using RSA key ID FE507013
gpg: Good signature from "Security Onion Solutions, LLC <[email protected]>"
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/2.3/installation.html