7 essential cloud security best practices for beginners

• Strengthen your account security: Use strong, unique passwords and enable multi-factor authentication (MFA) to protect cloud accounts from unauthorised access
• Stay alert to common threats: Be cautious when sharing files, keep devices and software updated, and watch out for phishing emails designed to steal login credentials
• Protect and monitor your data: Regularly back up important files, review account activity and remove unnecessary permissions to reduce the risk of data loss or security breaches

Cloud storage and cloud-based applications have become part of everyday life. Whether you're using Google Drive, Microsoft OneDrive, Dropbox or cloud platforms for work, your files and data are likely stored online. Businesses also rely heavily on cloud computing to host websites, run applications and manage customer information.

While cloud services offer convenience and flexibility, they also come with security risks. Weak passwords, poor access controls and phishing attacks can expose sensitive information to cybercriminals. The good news is that you don't need to be an IT expert to protect your data.

Here are seven essential cloud security best practices every beginner should know.

1. Use strong, unique passwords

Your cloud account is only as secure as your password.

Avoid using common passwords like "123456" or your date of birth. Instead, create long, unique passwords that combine uppercase and lowercase letters, numbers and special characters.

Most importantly, never reuse the same password across multiple accounts. If one account is compromised, reused passwords make it easier for attackers to access your other services.

A password manager can help you generate and store strong passwords securely.

2. Enable multi-factor authentication (MFA)

Multi-factor authentication adds an extra layer of protection to your account.

After entering your password, you'll also need to verify your identity using a code sent to your phone, an authentication app or a security key. Even if someone steals your password, they won't be able to access your account without the second verification step.

MFA is one of the simplest and most effective ways to improve cloud security.

3. Be careful when sharing files

Cloud platforms make file sharing easy, but it's also easy to share more than intended.

Before sending a link, check whether the file is accessible only to the intended recipients. Avoid setting sensitive documents to "Anyone with the link can view" unless absolutely necessary.

Regularly review shared folders and remove access for people who no longer need it.

4. Keep your software and devices updated

Security updates aren't just about adding new features—they often fix vulnerabilities that hackers can exploit.

Keep your operating system, web browser, antivirus software and cloud apps updated to the latest versions. Enabling automatic updates helps ensure you're protected against newly discovered threats.

An outdated device can become the weakest link in your cloud security.

5. Watch out for phishing attacks

Many cloud account breaches begin with a phishing email.

Cybercriminals often send fake messages claiming there's a problem with your account or asking you to verify your login details. These emails usually contain links to fraudulent websites designed to steal your credentials.

Always verify the sender, inspect website addresses carefully and avoid clicking suspicious links or downloading unexpected attachments.

When in doubt, log in directly through the service's official website instead of using links in emails.

6. Back up your important data

Although cloud services are highly reliable, they shouldn't be your only backup.

Accidental deletion, ransomware attacks or account issues can still result in data loss. Maintain copies of your most important files on an external hard drive or another trusted cloud service.

Following the 3-2-1 backup rule—three copies of your data, stored on two different types of media, with one copy kept off-site—is a smart approach for both individuals and businesses.

7. Review account activity and permissions regularly

Make it a habit to check your account's security settings.

Review login history, connected devices and third-party apps with access to your cloud account. Remove devices you no longer use and revoke permissions for applications you don't recognise or no longer need.

Regular account reviews can help you detect suspicious activity before it becomes a serious problem.

Why cloud security matters

As more of our personal and professional lives move online, protecting cloud accounts has become increasingly important.

A compromised cloud account can expose personal documents, financial records, business information and sensitive communications. For businesses, data breaches can lead to financial losses, legal issues and damage to customer trust.

Building good security habits today can prevent costly problems in the future.

How to protect yourself from online banking fraud in Nigeria

Meanwhile, TheRadar earlier compiled a detailed practical guide on how to protect yourself from online banking fraud in Nigeria.

With the growth of digital banking, scammers are using phishing messages, fake apps and social engineering to steal money and sensitive information from unsuspecting users.

Never share PINs, OTPs or passwords, and avoid clicking on suspicious links, as fraudsters often impersonate banks to trick users into revealing confidential information.

Use strong passwords, enable two-factor authentication, avoid public Wi-Fi for banking, and regularly check your account for unusual transactions to detect fraud early.