Backdoor with public SSH keys?

The article discusses a highly dangerous method of injecting backdoors into SSH public keys. The author points out that SSH keys, which are commonly used in IT infrastructures to ensure secure access, can be compromised through malicious modifications. This process involves adding snippets of malicious code to the public key that can allow an attacker access to the system. Moreover, the article emphasizes how difficult it can be to detect such backdoors, as the modified public key will still function like a regular key. The author also shares defense methods against such attacks, such as implementing key review policies and using monitoring systems. Ultimately, the article encourages greater awareness of this threat among system administrators and developers to ensure better infrastructure security.