Audit in Computer Networks: How to Evaluate Vulnerabilities

The audit computer network provides organizations with a complete analysis of your security systems.

These audits enable companies to correct issues proactively, protect sensitive data and develop an IT security plan more reliable.

The audit of computer network is the first step to truly protect a computer or network environment.

The purpose of an audit in computer network is to ensure that a company has taken the steps necessary to protect the data and track access.

So if the audit finds any problem, you can fix it before that an attacker could exploit the weakness.

In this content, we present a checklist related to audit network computers in organizations and vulnerability assessment, check!

1. Define the scope of the audit

Identify all the devices on your network and the operating systems they use. For most organizations, the audit must take into account the managed and unmanaged devices:

Managed devices are computers that belong to the organization itself.

unmanaged devices belonging to guests and visitors.

Remember to take into account all the layers of access:. Wired connections, wireless and VPN

2. Determine threats

Make a list of potential threats to network security. Among the cyber threats that you need to consider, we can highlight:

• malware (worms, Trojan horses, spyware and ransomware.)
• Exposure of employees (phishing attacks and other scams).
• internal malicious attacks (misuse of confidential information).
• DDoS Attacks (Distributed Denial of Service) .
• Violations of physical access to information.

  Once you identify what you need to avoid, it is easier to evaluate the safety and potential system vulnerabilities.

  3.Revise and edit internal policies

  Define and review all internal policies of access and information security, including:

  • Network Security Policy.
  • Internet Access Policy.
  • Remote Access Policy.
  • Privacy Policy.
  • email and communications policy.

    See if there is room for improvement and consider adding new policies, if necessary.

    4.Reavalie strategies and access security

    Evaluate the requirements for setting passwords in your company, adopting policies that contribute to increase security, such as:

    • Use different passwords for different accounts.
    • Use two-factor authentication.
    • Implement a policy for periodic change and mandatory password.

      5. Check the upgrade of the software

      Examine all the software on the network and answer the following questions:

      • What software version do you have?
      • When was the last update?
      • What is the current version of the software available in the provider?

        The patches and latest updates protect against the latest cyber threats.

        6.Acesso secure Internet

        To prevent vulnerabilities and threats, the company needs to secure access to the internet, including:

        • Data encryption.
        • Check malicious files downloads.
        • bandwidth restrictions.
        • Port Blocking.

          7.Defina backup strategies

          Finally, set up strategies related to critical business data.

          The loss of important information and strategies can generate irreversible damage to an organization.

          Your company adopts the best data protection security practices? Learn about AudiLink and our services in IT Audit, please contact us!