What is Kerberos?
Kerberos is a network authentication protocol that uses symmetric-key cryptography and a trusted third party (the Key Distribution Center) to securely verify user and service identities without sending passwords over the network.
Kerberos Info — What to Look For and What Steps to Take
- Weak or default credentials
- Outdated OpenSSH versions with known CVEs
- Publicly accessible private keys or authorized_keys files
- Root login allowed via SSH
- Weak or deprecated encryption algorithms