One of the benefits of online file sharing and cloud storage services is the ability to share documents and files with friends, family, or colleagues easily. But with it being so easy, how do you protect your files when they are shared?
Below are ways to password-protect your files or folders on the top cloud and file-sharing platforms, including Microsoft Word, OneDrive, Google Drive, and Dropbox.
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How to password-protect a document in Microsoft Word
- ‘Protect Document’
- ‘Encrypt with Password’
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How to password-protect a Google Drive folder
- In the drop-menu next to where you enter the email address, select the access level you’d like to grant: Viewer, Commenter, or Editor
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How to password-protect a shared folder on Dropbox
Unfortunately, you must upgrade from their free service to Dropbox Essentials to have access to link settings such as password protection. You can
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How to password-protect a folder in OneDrive
- Right-click on the file you want to share
- Select ‘Share’
- Select ‘People you choose’
- Under ‘More Settings’, select the level of access in the drop-down
- Click ‘Apply’
Implement zero-knowledge encryption
One of the most robust security measures for cloud storage is implementing zero-knowledge encryption. This approach ensures that your data is encrypted before it leaves your device, and only you possess the encryption keys. Even the cloud storage provider cannot access or decrypt your files, providing an additional layer of protection against potential data breaches or unauthorized access.
Zero-knowledge encryption achieves true end-to-end encryption, where your files remain encrypted during transfer, storage, and retrieval. This eliminates the risk of your sensitive data being exposed, even if the cloud provider’s systems are compromised.
To implement zero-knowledge encryption, you can use third-party encryption tools or services that integrate with your cloud storage provider. These tools encrypt your files locally before uploading them to the cloud, ensuring that your data remains private and secure.
By incorporating zero-knowledge encryption into your cloud storage strategy, you can significantly enhance the security and privacy of your personal data, providing an additional layer of protection against potential threats and unauthorized access.
Have strong antivirus software
Securing your cloud storage starts with protecting the devices you use to access it. Malware infections on your computer, smartphone, or tablet can potentially compromise your login credentials and expose your cloud data.
It’s crucial to use a reputable and up-to-date antivirus solution on all your devices. Make sure to keep your antivirus software and operating systems updated with the latest security patches to mitigate emerging threats.
Additionally, be cautious when downloading files or clicking on links, even from trusted sources, as they may contain malicious code that can infect your device and jeopardize your cloud storage security.
Enable two-factor authentication
Most cloud storage providers offer an additional security feature called two-factor authentication (2FA). This adds an extra layer of protection by requiring a second form of verification, such as a code sent to your phone or an authenticator app, in addition to your password when logging in.
Enabling 2FA ensures that even if your password is compromised, unauthorized parties cannot access your cloud storage without the second factor. This significantly reduces the risk of account takeovers and unauthorized access to your files.
To set up 2FA, follow the instructions provided by your cloud storage provider in their security settings. It’s a simple yet effective way to enhance the security of your cloud storage accounts.
Limit sensitive data in the cloud
While cloud storage offers convenience and accessibility, it’s advisable to be selective about the type of data you store in the cloud. Avoid storing critical personal or financial information, legal documents, or proprietary business data in cloud storage services.
Instead, keep such sensitive files on secure local or offline storage solutions, such as encrypted external hard drives or secure network-attached storage (NAS) devices. This minimizes the risk of exposing your most sensitive data in the event of a cloud storage breach or unauthorized access.
By following these additional security measures alongside the password protection methods and zero-knowledge encryption techniques outlined earlier, you can significantly enhance the overall security and privacy of your data in cloud storage services.
Kurt’s key takeaways
Have you ever experienced a security issue with your online files? Share your story and how you resolved it in the comments below.
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