February 26, 2026 Source: BleepingComputer 3 min read · 600 words

European DYI chain ManoMano data breach impacts 38 million customers

Європейський DIY ретейлер ManoMano постраждав від витоку даних 38 мільйонів клієнтів

38 Million ManoMano Customers Just Got Caught in a Third-Party Security Nightmare

That's not a typo. Thirty-eight million people. A European DIY retail giant just confirmed one of the year's bigger cybersecurity disasters, and the culprit wasn't even ManoMano's own systems—it was a third-party service provider that went sideways. According to BleepingComputer, this is a confirmed security incident, which means we're not dealing with speculation or rumors here.

This is the kind of breach that keeps security teams up at night.

Breaking It Down

ManoMano, which operates across Europe as a go-to destination for DIY enthusiasts and home improvement supplies, suffered a data breach tied to a third-party vendor. That's the frustrating part—the company's own security posture might've been fine, but they trusted someone else who wasn't properly secured. It's like hiring a locksmith only to discover he left the front door open.

The breach came to light on February 26, 2026, which means there's been some time for investigation and confirmation. BleepingComputer reported the incident with solid sourcing, so we're looking at legitimate cybersecurity news, not speculation.

And here's what matters most: 38 million customer records were exposed. That's not just a number on a spreadsheet. That's millions of people whose personal information is now floating in the wrong hands.

The Technical Side

Third-party breaches work like this—Company A (ManoMano) integrates services from Company B (the compromised vendor). Company B gets breached. All of Company A's customer data that flows through Company B becomes vulnerable. The attacker doesn't need to crack ManoMano's defenses; they just need to compromise the vendor sitting in the middle.

This is particularly nasty because it reveals a gap in what cybersecurity professionals call "supply chain security."

You can have excellent security controls internally, but if your vendors don't match that standard, you're only as strong as the weakest link. And right now, that link broke.

So why does this matter from a technical standpoint? Third-party integrations mean data leaves your direct control. It sits on someone else's servers. If they're not maintaining encryption, access controls, and monitoring properly, that's where breaches happen.

Who's Affected

Any ManoMano customer with an account created between whenever the vendor integration started and the breach was discovered—that's potentially you. We're talking names, email addresses, purchase history, and potentially payment information depending on what data the third party actually stored.

ManoMano operates across Europe, so the impact spans multiple countries and regulatory jurisdictions. That means GDPR enforcement is coming, investigations are ramping up, and fines will likely follow.

The real question is whether the vendor had access to payment card data or just customer account information. If it's the former, fraud risk shoots up significantly.

What To Do Now

First: change your ManoMano password immediately. Use something unique that you don't use anywhere else. Not "DIY2024" with a number added—I mean something genuinely different.

Second: enable two-factor authentication on that account if it's available. This creates a second barrier even if your password gets cracked.

Third: monitor your credit for the next year. Check your credit reports at least twice. Watch for suspicious charges and fraudulent accounts. If you used ManoMano with a debit card, consider placing a fraud alert with your bank.

And look—if you notice suspicious activity linked to your ManoMano account, report it directly to the company and your financial institutions. Don't wait.

For organizations watching this unfold: this is your sign to audit your third-party vendor security practices. Require vendors to maintain SOC 2 certification or equivalent. Make security audits a contract requirement. Don't assume someone else is protecting your customers' data the way you would.

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// FAQ

How do I know if my ManoMano account was affected by the breach?

If you had an active ManoMano customer account anytime before the breach was discovered in February 2026, your data was likely exposed. Check ManoMano's official breach notification page or contact their customer support directly for confirmation and details about what information was compromised.

Was my payment card information stolen in the ManoMano breach?

It depends on whether the compromised third-party vendor stored payment data. Most modern retailers don't keep full card details, but ManoMano should specify exactly what data was exposed in their official breach statement. Contact them directly or check their security disclosures for specifics.

What third-party service provider caused the ManoMano breach?

The specific name of the compromised vendor hasn't been widely disclosed yet. BleepingComputer's reporting confirms it was a third-party service provider, but full details typically emerge during regulatory investigations and official ManoMano statements.

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