Most people recognise the famous red ministerial boxes carried into Downing Street and Parliament. They have become one of the enduring symbols of government.
What many people do not realise is that some of the older boxes are remarkably heavy. One explanation often given is that they were lined with lead. The story goes that, when the River Thames was one of the main routes into Westminster, a box that fell overboard would sink rather than float away, reducing the chance of sensitive documents ending up in the wrong hands.
Whether that was the original intention or simply a useful side effect is perhaps less important than the principle behind it.
The designers were not trying to prevent the box from ever ending up in the river.
They were trying to protect what was inside if it did.
That simple idea contains an important lesson for schools.
Many organisations approach security as though the goal is to stop incidents from ever occurring.
In reality, laptops get stolen. Emails are sent to the wrong person. Accounts become compromised. Paper files are misplaced. Staff make mistakes.
None of these things are unusual. They are simply the reality of running a busy organisation.
Good data security starts by accepting that incidents will happen sooner or later. The question is not whether something will go wrong. The question is how prepared you are when it does.
The real concern was never the loss of the box itself.
It was the loss of the information inside it.
Schools can sometimes fall into the same trap. We focus on devices, buildings, and systems, but the thing that really matters is the information they contain.
A stolen laptop is inconvenient.
A stolen laptop containing unencrypted safeguarding records is a serious data breach.
An email sent to the wrong recipient is unfortunate.
An email containing sensitive personal information can have far more significant consequences.
The focus should always be on protecting the data itself.
If the story is true, the lead lining did not stop the box falling into the water.
It simply reduced the consequences afterwards.
Many of the best security controls work in exactly the same way.
Encryption does not stop a device being stolen.
Multi-factor authentication does not guarantee an account will never be targeted.
Backups do not prevent systems from failing.
What they do is stop an incident from becoming a crisis.
Too often, organisations judge security solely on whether they can prevent something from happening. In reality, resilience is just as important.
Nobody looked at a red dispatch box and immediately thought about information security.
The protection was built into the design.
The best security measures in schools are often the same. Staff should not need to think constantly about encryption, access controls, data retention policies, or secure backups. These should simply form part of the way systems and processes are designed.
When security is built in rather than bolted on, people are more likely to follow it and less likely to work around it.
The enduring appeal of the red dispatch box story is that it reminds us of a simple truth.
Good data security is not about believing that nothing will ever go wrong.
It is about thinking carefully about what happens when it does.
Whether the lead lining was really intended to send a dispatch box to the bottom of the Thames or not, the principle remains sound.
Do not just think about how to stop the box falling into the river.
Think about how you will protect what is inside when it does.