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Why Security Is Still Treated as a Feature, Not a Default

You are familiar with it. The startup begins operations. The product is inexpensive or free. It expands. Tiers are then introduced.

We have seen it many times. A startup comes up with a brilliant product at the initial launch. Minimalistic design. Users love it. A data breach happened 3 months after that.

It’s not that the team was negligent, but security was the last thing they planned to “add later.”

We are still having this conversation in 2026.

The Demo That Changed Everything

Almost every product meeting has this particular moment. The group is enthusiastic. The prototype is functional. When someone opens the demo, it’s incredible. The interface moves. The features are striking. Everyone is nodding.

“What about authentication?” someone then queries.

And there is silence in the room.

“We’ll add that before launch,” someone remarks. And everyone calms down. Let’s get back to the exciting stuff: the features that users can see, feel, and touch.

Security turns into a checkbox. Something to jump on. A feature among features.

However, no one says it aloud: by then, you’ve already made a thousand tiny choices that presume security is unimportant. The schema of your database. The design of your API. Your handling of the session. Your method of logging.

You’re attempting to add a foundation after building a house.

This data also shows the result of the story being told. On a global scale, the average cost of a data breach rose 10% in 2024 to $4.88 million. On a US scale, the number of data breaches between 2012 and 2023 grew from 447 incidents to over 3,200. These are not just numbers. Each data breach means the credibility of a founder has been undermined, the runway of a startup has vanished, and a team is desperately trying to restore trust they cannot afford to lose.

The Incentive Problem

This is something I blamed developers for in the past. But not anymore.

The truth is far more intricate… and systemic.

Let’s say you are a founder, and you only have six months of runway left. To win over the investors, you have to show growth. The users are asking for more features. Also, your competitor has just launched a new product. So, what gets your focus?

Is it the login flow that makes users happy, or the password hashing algorithm that users are not even aware of?

Is it the real-time notifications that will make the users addicted, or the rate limiting that keeps the abusers away?

Is it the social sharing feature that will make your app go viral, or the data encryption that is going to do the privacy protection?

Incentives in the modern startup ecosystem are so aligned that they will push you to invest in the visible features and deter you from the invisible security so much that you won’t even notice. Because security is invisible until it is not.

The MVP philosophy only adds to the pressure.

A study shows that startups that test their assumptions with minimum viable products have a 20% higher chance of surviving their first five years. However, the focus on “minimum” quite often means that “security can wait”.

Development guides classify security features such as data encryption and user authentication as a necessary step. Yet later, they suggest putting them in place “when the concept is validated”. The issue is that by that time, you will be retrofitting security onto an architecture that was never meant to support it.

When Good Intentions Meet Bad Architecture

This is what normally happens:

First, a team decides to create a product. They use a well-known and popular framework. They follow a style guide. They set up a database. They make an API. Everything works correctly . Nevertheless, the tutorial did not show threat modeling. Hence, the framework took care of trust boundaries without any further consideration. The database default setting is for development only. Because the frontend demands it and it’s easier this way, the API discloses more data than it should.

There was no bad decision in any way. Everyone made reasonable compromises accordingly.

Security, however, is not about any single decision. It relates to the thousand little decisions adding up. It is about what happens when comforting assumptions meet unfriendly reality, and reality is full of those who disagree with your assumptions.

“A security engineer once said most breaches don’t happen because someone made a catastrophic mistake.”,

They result from fifty individuals making small, sensible decisions, which, however, no one can understand.

“A security engineer once told me that most break-ins aren’t the result of a catastrophic mistake.”

They are the result of fifty people making some rational decisions that, though, no one can decipher.

That was the exact observation the 2024 report by IBM made. The statistics shown by the report reveal that the mode of attack, having been compromised for 16% of the cases, was stolen or compromised credentials, which took the longest time, 292 days, to contain, almost ten months. They were not complex