Most breaches don’t start with malware or zero-day exploits. They start with a login.  An attacker gets hold of a password, maybe through phishing, reuse, or a leaked credential dump. They test it against a remote system. An SSH prompt appears. The credentials work. From there, everything unfolds quietly – privilege escalation, lateral movement, persistence. By the time anyone notices, the damage is already done.  The post Preventing Breaches – MFA on Remote Access to Linux, Unix, and Infrastructure Systems appeared first on 12Port.

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Most breaches begin with compromised credentials, not malware. Enforcing MFA at the remote access layer for Linux, Unix, and network infrastructure is critical because these systems are high-value targets often protected only by passwords or SSH keys. Traditional approaches like VPN-level MFA or agent-based deployments leave gaps. An agentless PAM approach intercepts SSH and privileged sessions before access is granted, requiring MFA verification before injecting vaulted credentials into the session — with no agents, no workflow disruption, and no credential exposure.

Preventing Breaches – MFA on Remote Access to Linux, Unix, and Infrastructure Systems

Securing Linux, Unix and Other Critical Infrastructure Systems

12Port PAM brings MFA Directly Into Remote Access