CyLock MFA for SSH

Secure Shell (SSH) is a vital protocol used for securely accessing and managing Linux servers remotely by authenticating using a user name and password. It provides encrypted communication over unsecured networks, ensuring confidentiality and integrity of data transmission. Password-only authentication methods, once the norm, are no longer sufficient to protect against the sophisticated tactics employed by cyber attackers. With the proliferation of data breaches, phishing attacks, and credential theft incidents, organizations must bolster their authentication mechanisms to safeguard sensitive systems and data. MFA adds an additional layer of security by requiring users to authenticate with two or more factors, such as passwords, app based notifications, before gaining access. This approach addresses the inherent weaknesses of single-factor authentication and significantly reduces the risk of unauthorized access.

CyLock MFA steps up as a vital solution, demanding users to confirm their identity through multiple distinct methods. This fortifies the login access to Linux Servers, marking an indispensable measure essential for combating the dangers of password compromise, ensuring adherence to industry regulations, and, above all, safeguarding sensitive data.

Cybernexa’s custom CyLock PAM module can be installed on a Server with Linux Operating system to quickly enable two factor authentications during SSH login.

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Authentication Options

Talk to our support for enabling MFA for SSH

Currently CyLock MFA for SSH is supported in the following Linux server operating systems:

Linux Servers:

  •   Ubuntu 18.04, 20.04, 22.04

  •   Redhat Enterprise Linux 7.9

  •   Oracle Enterprise Linux 7.9

  •   Boss Linux 8

  •   Centos 7

Benefits of enabling CyLock MFA for SSH

Stronger Authentication:MFA strengthens SSH authentication by requiring additional verification steps beyond passwords, making it significantly more challenging for attackers to compromise accounts.

Risk Reduction:By implementing MFA for SSH, organizations can reduce the risk of unauthorized access and data breaches, safeguarding critical systems and sensitive information.

Compliance Adherence:MFA for SSH helps organizations meet compliance requirements mandated by regulatory standards such as PCI DSS, HIPAA, and GDPR, among others.

Improved Operational Efficiency:Despite the existing security measures, MFA solutions can streamline authentication processes, leading to improved efficiency and productivity.

Proactive Security Measures:MFA enables organizations to adopt a proactive approach to security by mitigating the risk of unauthorized access before it becomes a significant threat.


CyLock MFA for Secure Shell (SSH) is a crucial component of modern cybersecurity strategies, offering enhanced security, resilience, and compliance adherence. By implementing MFA for SSH, organizations can effectively mitigate the risks associated with unauthorized access while maintaining operational efficiency and user experience.

Looking at securing your SSH access to Linux Servers for your organization? Contact us today to learn more about how we can secure it.

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