Cyber Security Blog

A Simple Guide to Preventing Accidental Data Breaches

Written by Craig Pepper | Dec 2, 2025 7:59:59 AM
In the world of digital health and medical devices, data is everything. You handle sensitive patient information every day, and protecting it is not just a legal requirement’s a matter of trust. While we often hear about malicious hackers, the reality is that many data breaches are accidental. They happen in everyday situations, with the click of a button or a moment of distraction.
 
This guide is here to help you and your team understand what an accidental data breach is, how to prevent it, and what to do if one happens. Let's make data protection a part of our daily routine.
 

What Exactly Is an Accidental Data Breach?

An accidental data breach is exactly what it sounds like: the unintentional disclosure of personal information to someone who isn't authorized to see it. It's not about a cybercriminal trying to break into your systems. It's about human error.
 
Here are a few common examples:
 
  • The Wrong Email: You meant to send a patient's test results to their doctor, but you accidentally sent them to the wrong "Dr. Smith" in your contacts.
  • The Forgotten Step: Your company has a process for redacting personal information from documents before sharing them, but in a rush, you forgot to do it.
  • The Untrained Team Member: A new employee who hasn't been fully trained on your data protection policies inadvertently shares a spreadsheet of patient data on an insecure platform.
These are simple mistakes, but they can have serious consequences for your patients and your company.
 

What to Do When an Accidental Breach Happens: A 4-Step Plan

If you realize that an accidental breach has occurred, don't panic. The key is to act quickly and follow a clear plan. Here’s what the Information Commissioner's Office (ICO) recommends:

Step 1: Contain the Breach

Your first priority is to limit the damage. This could mean:
  • Recalling the email.
  • Unsharing the document.
  • Immediately restricting access to the shared file.

Step 2: Assess the Risk

Next, you need to understand the seriousness of the breach. Ask yourself:
  • What kind of data was disclosed? Is it highly sensitive (e.g., medical diagnoses, financial information)?
  • Who received the data? Are they likely to understand its sensitive nature?
  • What are the potential consequences for the individuals whose data was breached?

Step 3: Report the Breach

Based on your assessment, you have a legal obligation to report the breach. Here’s what you must do:
  • Record everything: Document the facts of the breach, its effects, and the actions you've taken to fix it.
  • Notify the ICO: If the breach is likely to pose a risk to people's rights and freedoms, you must report it to the ICO within 72 hours of becoming aware of it.
  • Inform the affected individuals: If the risk is high, you must inform the people whose data was breached without undue delay.

Step 4: Learn and Improve

Once the immediate crisis is over, it’s time to learn from what happened. Investigate the root cause of the breach and take steps to prevent it from happening again. This might involve:
  • Updating your processes.
  • Providing additional training to your team.
  • Implementing new technical safeguards.

Prevention Is the Best Medicine: 3 Habits to Build Now

The best way to handle a data breach is to prevent it from happening in the first place. Here are three simple habits that can make a big difference:
 
  1. The 5-Second Pause: Before you hit "send" or "share," take five seconds to double-check the recipient, the attachment, and the content. This simple pause can be the difference between a secure communication and a data breach.
  2. Know Your Processes: Make sure you and your team are familiar with your company's data protection policies. If you're not sure about something, ask! It's always better to be safe than sorry.
  3. Make Security a Team Sport: Data protection is everyone's responsibility. Encourage open communication about data security, and make it easy for team members to report potential issues without fear of blame.
By building these habits, you can create a culture of security that protects your patients, your company, and the trust you’ve worked so hard to build.