Let’s talk about something that happens more often than many people realise; accidental data leaks.

Not every data breach is caused by hackers. In many cases, sensitive information is exposed simply because it was sent to the wrong person, shared with the wrong audience, or attached to the wrong email.

These mistakes are usually unintentional, but they can still have serious consequences for the organisation, our customers, and even the person who made the mistake.

 How Accidental Data Leaks Happen

In everyday work, you frequently send emails, share documents, and collaborate with others. In fast-paced environments, simple mistakes can occur.

Common examples include:

Attaching the Wrong File
You may intend to send one document but accidentally attach a file containing sensitive or confidential information.

 Using “Reply All” Unnecessarily
Replying to everyone in an email chain can expose internal information to people who should not receive it.

Sharing Files with Incorrect Permissions
Sending a file link that allows public or external access can expose confidential information beyond the intended audience.

Sharing Information Through Informal Channels
Sending work-related documents through personal messaging apps or personal email accounts can expose company data.

Why This Matters

Even a small mistake can create a serious security issue.

Accidental data leaks can result in:

• Exposure of confidential company information
• Leakage of customer or employee data
• Compliance and regulatory issues
• Loss of trust from partners and customers
• Internal investigations and corrective actions

Most of these situations are completely preventable with a few simple habits.

How You Can Prevent Data Leaks

Before sending or sharing any information, take a moment to verify a few important things.

• Check the Recipient Carefully
  Make sure the email address or contact name is correct before sending.

• Confirm the Attachment
  Double-check that you are attaching the correct document and that it contains only the information intended for the recipient.

• Review File Permissions
  When sharing files through cloud platforms, ensure access is limited to the intended individuals.

• Pause Before Clicking “Send”
  Take a few seconds to review your message, recipients, and attachments.

• Use Approved Platforms
  Always share company data through authorised systems and tools.

 Common Mistakes to Avoid

• Sending confidential documents to personal email addresses
• Sharing sensitive files through messaging apps
• Forwarding internal emails externally without approval
• Assuming the recipient already has permission to see the data
• Rushing to send emails without reviewing attachments

Small oversights can lead to major security incidents.

Final Reminder

Every time you send an email or share a file, you are responsible for where that information goes.

Taking a few extra seconds to verify recipients and attachments can prevent:

• Data exposure
•  Security incidents
•  Compliance issues
•  Reputational damage

A simple habit can make a big difference.

Before you click “Send,” always ask yourself:
 Is this the right information going to the right person?

 CyberDesk – Protecting Our Digital Workplace
Security starts with awareness, and awareness starts with you.

CyberDesk Awareness

Sending the Right Data to the Right People – Avoiding Accidental Data Leaks

 Let’s talk about something that happens more often than many people realise; accidental data leaks.

Not every data breach is caused by hackers. In many cases, sensitive information is exposed simply because it was sent to the wrong person, shared with the wrong audience, or attached to the wrong email.

These mistakes are usually unintentional, but they can still have serious consequences for the organisation, our customers, and even the person who made the mistake.

 How Accidental Data Leaks Happen

In everyday work, you frequently send emails, share documents, and collaborate with others. In fast-paced environments, simple mistakes can occur.

Common examples include:

Attaching the Wrong File
You may intend to send one document but accidentally attach a file containing sensitive or confidential information.

 Using “Reply All” Unnecessarily
Replying to everyone in an email chain can expose internal information to people who should not receive it.

Sharing Files with Incorrect Permissions
Sending a file link that allows public or external access can expose confidential information beyond the intended audience.

Sharing Information Through Informal Channels
Sending work-related documents through personal messaging apps or personal email accounts can expose company data.

Why This Matters

Even a small mistake can create a serious security issue.

Accidental data leaks can result in:

• Exposure of confidential company information
• Leakage of customer or employee data
• Compliance and regulatory issues
• Loss of trust from partners and customers
• Internal investigations and corrective actions

Most of these situations are completely preventable with a few simple habits.

How You Can Prevent Data Leaks

Before sending or sharing any information, take a moment to verify a few important things.

• Check the Recipient Carefully
  Make sure the email address or contact name is correct before sending.

• Confirm the Attachment
  Double-check that you are attaching the correct document and that it contains only the information intended for the recipient.

• Review File Permissions
  When sharing files through cloud platforms, ensure access is limited to the intended individuals.

• Pause Before Clicking “Send”
  Take a few seconds to review your message, recipients, and attachments.

• Use Approved Platforms
  Always share company data through authorised systems and tools.

 Common Mistakes to Avoid

• Sending confidential documents to personal email addresses
• Sharing sensitive files through messaging apps
• Forwarding internal emails externally without approval
• Assuming the recipient already has permission to see the data
• Rushing to send emails without reviewing attachments

Small oversights can lead to major security incidents.

Final Reminder

Every time you send an email or share a file, you are responsible for where that information goes.

Taking a few extra seconds to verify recipients and attachments can prevent:

• Data exposure
•  Security incidents
•  Compliance issues
•  Reputational damage

A simple habit can make a big difference.

Before you click “Send,” always ask yourself:
 Is this the right information going to the right person?

 CyberDesk – Protecting Our Digital Workplace
Security starts with awareness, and awareness starts with you.