The Biggest Security Mistake Founders Make (and How to Avoid It)

The Biggest Security Mistake Founders Make (and How to Avoid It)

When you’re building a startup, security rarely feels like the most exciting thing on your list. You’re focused on building the product, finding customers, hiring people, getting through funding rounds, and that’s all fair enough. But too often, I see founders treat security like something they can “set and forget”. They buy a new tool that ticks a box, and then move on.

The problem is, that approach doesn’t work and it can leave big gaps in your business that come back to bite later on.

The “Set It and Forget It” Trap

Most early-stage businesses handle security in bursts.

They react when something breaks, or when a customer or investor suddenly asks about compliance.

It’s rarely part of the plan from the start.

And that’s where the trouble begins.

Without a proper security plan, there’s no clear sense of what actually matters most.

Which assets are most valuable?

Where are the biggest risks?

What can you afford to protect now and what needs a longer-term approach?

Instead, what happens is a scattergun response: bits of security get bolted on as the company grows. It’s a reaction, not a strategy.

That means the basics like access controls, multi-factor authentication, and staff training often get overlooked, even though they’re the most effective (and cheapest) defences you can have.

Shiny Tools, Dull Results

Another pattern I see a lot is the “tool temptation”.

A vendor comes along promising that their new platform will “solve” security for you. It sounds good, looks slick, and you think: “Great, one less thing to worry about”.

The issue with this is that tools don’t fix poor foundations.

If you haven’t done the basics like training your team not to click on dodgy links, setting up MFA, or keeping systems updated then all the fancy dashboards in the world won’t make you secure.

I’ve seen companies spend thousands on products they don’t need, because it feels easier to buy a solution than to build one properly. But good security isn’t something you buy once. It’s something you build into how your business operates every day.

Start with the Basics

Founders often underestimate how much impact simple, consistent actions can have.

Here’s what I’d focus on before spending a penny on new tools:

• Train your team. 9 out of 10 breaches start with human error. Teach people what to look out for.
• Turn on MFA everywhere. It’s one of the simplest, most effective defences available.
• Keep software updated. Don’t leave known vulnerabilities open.
• Control access. Only give people the permissions they need to do their job.
• Back up your data. If ransomware hits, you’ll thank yourself later.

Once those are solid, then look at where extra investment makes sense. That might be cloud security tools, vulnerability management, or preparing for SOC 2, but only once the basics are done properly.

Why It’s Worth Planning Ahead

Security shouldn’t be something you only think about after you’ve been hacked.

A strong security plan isn’t just about avoiding disaster, it’s about supporting your growth.

If you’ve ever tried to close a deal with a larger client, you’ll know that questions about compliance and data handling come up fast. Having clear answers builds trust and saves you from last-minute scrambles when someone asks for a security questionnaire you’ve never seen before.

Investors care too. A breach or compliance gap can seriously dent confidence.

Planning ahead means you can show that you’re not just building a great product, you're also building a resilient business.

Making Security Part of Your Culture

I always tell clients to think of security as part of your company’s culture, not a bolt-on.

It’s about how people think and act day-to-day, not a checklist you tick once a year.

That might mean:

• Starting every new hire with a short “security 101”.
• Talking openly about near-misses or phishing attempts.
• Making it easy for staff to ask questions when they’re unsure.

When people understand why it matters, they take ownership. That’s when security starts to work properly as a support for everything else you’re trying to achieve.

A Final Thought

If there’s one takeaway, it’s don’t wait until something goes wrong to get serious about security.

You don’t need a massive budget or an in-house expert to get started, you just need to start with a plan, do the basics well, and build from there.

Good security is about confidence.

It’s about knowing your business can keep moving, whatever happens next.

That peace of mind is worth a lot more than another shiny tool.