Understanding mobile security audits

A security audit thoroughly assesses an organization's devices, apps, data management policies and networks. Its purpose is to detect vulnerabilities and ensure security, privacy and functionality. Traditional security audits encompass all aspects of IT infrastructure. Mobile security audits, by contrast, focus specifically on mobile endpoints and the ways employees use them to access corporate resources.

A mobile security audit should cover technical controls, such as encryption, authentication, device configuration, app permissions, network access and remote wipe capabilities. It should also evaluate user behaviors, such as password management, app usage, use of public Wi-Fi, and compliance with bring-your-own-device policies.

Mobile-specific security audits address the unique risks associated with mobile devices. They assess portability, device ownership models, iOS and Android versions, managed and unmanaged apps, reliance on public networks, mobile device management controls and the separation of personal and corporate data. This specialized approach enables a more accurate evaluation of mobile security risks.

Mobile audits help support the following security components:

1. Risk assessment. Audits help identify weaknesses in a mobile environment so IT can prioritize mitigation efforts.
2. Asset and configuration visibility. Audits help IT confirm which devices, OS versions, apps, settings and access rights are present in the mobile environment.
3. Policy enforcement. Regular audits ensure that the organization's mobile security policies are established and effective.
4. Threat detection. Audits can reveal malware infections, unauthorized access attempts, risky apps, misconfigured devices and other suspicious activities.
5. Incident response. A recent audit can provide valuable information for investigation and remediation in the event of a breach.
6. Compliance. Many industries have regulations that require regular security controls, documentation and audits to protect sensitive data. In these industries, current mobile security insights are essential for maintaining compliance and avoiding legal issues.

Audits can also enhance an organization's reputation. It's important for organizations to show that they take data protection seriously and address security risks proactively. Regular audits demonstrate a commitment to mobile security, which builds trust with customers and other stakeholders.

Mobile security audits help IT verify that policies are working, data is protected and mobile endpoints do not become an easy path into enterprise systems.

Additionally, mobile security audits provide valuable insights for continuous improvement. Identifying and addressing weaknesses enables organizations to adapt to evolving threats and maintain strong security over time.

How to conduct a mobile security audit

Several factors can affect how IT approaches mobile audits. Is the organization managing both iOS and Android devices? What regulatory standards does the organization have to follow? Admins should consider these and other questions when developing their approach.

While the audit process can vary between organizations, it generally involves the following steps:

1. Define scope. Identify which devices, apps and networks to include in the audit.
2. Gather information. Collect data on mobile devices, software versions, security settings, apps and user access. This should include both BYOD and corporate-owned endpoints.
3. Evaluate security controls. Assess the strength of passwords, encryption, authentication mechanisms and other security measures.
4. Test for vulnerabilities. Conduct penetration testing to simulate attacks and find weaknesses.
5. Analyze findings. Create a detailed report outlining vulnerabilities, risks and recommendations for improvement.
6. Implement remediation. Prioritize and address identified vulnerabilities based on their severity.
7. Implement continuous monitoring. Establish ongoing monitoring and regular audits to maintain a secure mobile environment.

Beyond the basic process, an effective audit touches on specific threats and risk management details. Additional audit tools, such as compliance checklists, can help with this. IT should use audits to review the following mobile security issues:

• Malware from malicious apps. Security audits look at the sources of mobile applications, the permissions they request and their behavior. Conduct regular audits to ensure that only trusted apps are on devices, reducing the risk of malware infections.
• Network security. Audits emphasize network security, especially when devices connect to public Wi-Fi networks. When conducting a mobile audit, review network configurations and mandate the use of VPNs or other secure networking policies. This helps safeguard data transmissions and prevent unauthorized access.
• Mobile device management (MDM) and unified endpoint management (UEM). Effective MDM and UEM are critical to mobile security. Audits should assess device configuration, compliance status, app management, encryption, remote wipe capabilities, patch levels and policy enforcement.
• Identity and access controls. Mobile audits should review authentication requirements, multifactor authentication coverage, account access, conditional access policies and how quickly access is removed when an employee leaves or a device is lost.
• Data protection. Audits should confirm that corporate data is encrypted, access-controlled, separated from personal data where appropriate and removable through selective wipe or full wipe when necessary.
• User behavior and awareness. Mobile security depends on users as well as tools. Audits should identify risky behaviors, such as installing unapproved apps, ignoring updates, using weak passwords or connecting to unsafe networks.

Mobile security audits should not be a one-time compliance exercise. They should give IT a repeatable way to understand mobile risk, confirm that security controls are working and prioritize fixes across devices, apps, networks and users.

As mobile access expands, regular audits can help organizations protect corporate data, support compliance and reduce the chance that a lost device, risky app or compromised account becomes a broader security incident.

Editor's note: This article was updated to improve clarity and include current mobile security audit considerations around BYOD, identity controls, app risk and mobile device management.

Michael Goad is a freelance writer and solutions architect with experience handling mobility in an enterprise setting.