Tony St. Pierre

Code. Reflect. Evolve.

Day 50: Simplicity is Strength. Why Less Code is More Secure

Summary

The more code you add, the more you have to defend. Every extra line becomes something you'll have to fix, patch, or explain. The best developers write what matters and cut what doesn't.

It is quality rather than quantity that matters. – Seneca

Reflection

Anyone can add code.
The real skill is knowing what to remove.

A cluttered system isn't just complex to read.
It's harder to trust, harder to secure, and easier to break.

Most security issues don't start with some exotic zero-day.
They come from features no one uses. Libraries no one checked. Logic no one understood.

I've seen it happen. A helper file grows into a helper folder.
A plugin brings in five more dependencies.
One week later, a routine update breaks the build.

Good developers simplify.
They name things.
They choose the small function over the clever trick.
They know that complexity doesn't just slow you down but also exposes you.

Seneca said that quality matters more than volume.
We see it in code every day.
What you keep should earn its place.

Today's Insight

Every line you write is a line you own.
Cut what you don't need.
What stays should be clear, lean, and secure.

Action Steps

  1. Trim the Fat - Review your code. What's there just out of habit? What isn't pulling its weight? Could you remove it?
  2. Reassess Dependencies - If you're importing a library for one helper, stop. Build it yourself or drop the feature.
  3. Simplify on Purpose - Look for code that needs a comment to make sense. Rewrite it until it doesn't.

Consider This

If someone took over your code today, what would they find?
Would they understand it or untangle it?
What could you remove right now that would make the system better?