What are the security risks of cloud computing? 

Cloud platforms like Microsoft 365, OneDrive, and other cloud-based tools make it easier for teams to access files, collaborate, and work from anywhere. But while cloud technology offers flexibility and convenience, it also introduces new security risks if it’s not managed correctly.

Many businesses assume their cloud provider is responsible for keeping everything secure. In reality, cloud providers secure the platform itself, while businesses are responsible for how their employees access and use it.

Here are three common ways businesses accidentally expose their cloud data, along with what you can do to prevent it.

Accessing cloud systems from unsecured devices

One of the biggest risks with cloud computing is employees logging into company systems from devices that are not properly secured.

For example, an employee might:

• Log in to their work account from a personal laptop
• Access company files from a home computer
• Use a shared device without proper security protections

If that device lacks security controls, such as antivirus software, endpoint protection, or system monitoring, it can become a gateway for cyber threats. Malware or unauthorized users could gain access to the device and, in turn, to your company’s cloud environment.

How to reduce this risk:

• Require employees to use company-managed devices when accessing sensitive systems
• Implement endpoint protection and device monitoring
• Set policies that restrict access from unknown or unsecured devices

Poor file permission structures

Another common issue in cloud environments is improperly configured file permissions. Cloud storage platforms make it easy to share files and folders, but without a clear structure, permissions can quickly become too broad. Over time, employees may gain access to information they don’t actually need for their role.

For example:

• Financial documents accessible to the entire company
• HR files shared across multiple departments
• Sensitive client information available to too many users

This increases the risk of both accidental exposure and internal misuse.

Best practices for managing permissions include:

• Organizing files based on department or role
• Limiting access only to employees who need it
• Regularly reviewing and updating permissions

A well-structured cloud environment ensures employees can access what they need without exposing unnecessary data.

Employees accessing data they shouldn’t have

Closely related to file permissions is the broader issue of role-based access. Without clear access controls, employees may be able to view information that should be restricted.

For example, executives may have access to sensitive financial data, while HR teams handle confidential employee records. If those permissions are not properly managed, that information could become accessible to individuals who should not have it.

Even when employees have good intentions, unnecessary access increases the risk of mistakes, accidental sharing, or internal data exposure.

To prevent this:

• Use role-based access controls
• Define which departments should have access to specific data
• Regularly audit user access to ensure it aligns with job responsibilities

Cloud security requires ongoing oversight

Cloud platforms offer powerful tools for collaboration and productivity, but they require careful management to remain secure. Many cloud security issues don’t come from external hackers; they result from everyday mistakes like unsecured devices, broad permissions, or unclear access controls.

By implementing clear policies, carefully managing user access, and ensuring employees use secure devices, businesses can take full advantage of the cloud while keeping their data protected.

If you want to learn more about securing your cloud environment or improving your company’s IT security practices, contact the TeamLogic IT team.