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Security · 6 min read

Most vulnerable cylinders: why you should replace your Ezcurra DS-15

Not all cylinders protect the same. Some, like the well-known Ezcurra DS-15, are as common on the Costa del Sol as they are easy to open for an intruder. We tell you how to know if yours is one of the vulnerable ones and why replacing it with an anti-bump cylinder is the best security investment for your home.

Quick answer: if your door has an Ezcurra DS-15 or another basic cylinder without anti-bump protection, it is one of the most vulnerable to burglary. Replacing it with a high-security anti-bump cylinder (from €110) is the cheapest and most effective way to protect your home in Mijas and Marbella.

The cylinder is where you insert the key and, at the same time, the point through which most home burglaries happen. The problem is that not all of them protect the same: some very widespread models offer very little resistance to today's burglary techniques. Here we explain which are the most vulnerable —without giving anyone tips— and what to fit instead.

The Ezcurra DS-15: common and vulnerable

The Ezcurra DS-15 is one of the most installed cylinders in entrances, flats and villas across the Costa del Sol, especially in older builds. It is cheap and does the job of locking the door… but it offers very little resistance to current burglary techniques. That's why it's a common target for intruders.

We won't explain here how it is opened —that's not information we should spread—, but if your home or your community has one, the professional advice is clear: replace it. The good news is you don't need to change the whole lock; in most cases it's enough to swap the cylinder for a high-security one.

3 signs your cylinder is vulnerable

  • It's old or "came with the house": cylinders over 10-15 years old rarely have anti-bump protection.
  • The key is flat and simple: no dimples, no ownership card and easy to copy anywhere.
  • The cylinder sticks out of the door: if it protrudes more than 2-3 mm, it's easier to manipulate. An armoured escutcheon protects it.

If any of these sound familiar, it's worth having a professional take a look. At S1 Cerrajeros we tell you honestly whether your cylinder is secure or not, without overselling.

The silent burglary: watch out for insurance

Many basic cylinders are vulnerable to bumping and other opening techniques that don't break the door or leave visible marks. This has a consequence almost nobody mentions: if there are no signs of force, some insurers make it difficult to cover the theft. You can read more in our guide on what bumping is and how to protect your home.

An anti-bump cylinder is designed precisely to stop these techniques, as well as picking and drilling.

Which one to replace it with?

When you replace a vulnerable cylinder, look for a high-security one with these three features:

  • Anti-bump, anti-pick and anti-drill: resists the most common burglary techniques.
  • Ownership card: only you can authorise copies of the key.
  • Trusted brand: we work with Keso, M&C and Tesa, among others.

Locksmith to replace your cylinder in Mijas and Marbella

At S1 Cerrajeros we replace vulnerable cylinders with high-security ones across the Costa del Sol, with a price fixed over the phone and an invoice. We are APFC-certified locksmiths. Not sure which cylinder you have? Send us a photo on WhatsApp and we'll tell you if it's secure.

Need a locksmith in Mijas?

Damage-free opening, cylinder replacement and security locks. Fixed price over the phone, 24 hours.

Call — 663 225 104
Common questions

Frequently asked questions

Is the Ezcurra DS-15 cylinder really insecure?
It is a very common but low-security cylinder against today's burglary techniques. It does the job of locking the door, but offers little resistance, which is why we recommend replacing it with a high-security anti-bump cylinder.
Do I have to change the whole lock?
No. In most cases it's enough to change the cylinder, which is cheaper. Only if the lock is damaged or very old do we consider replacing it entirely. A cylinder replacement starts from €110.
How do I know which cylinder I have?
Look at whether the key is flat and simple and whether the cylinder sticks out of the door. If in doubt, send us a photo of the cylinder on WhatsApp and we'll tell you if it's secure or worth replacing.
What is an anti-bump cylinder?
A high-security cylinder designed to resist bumping (impact opening), as well as picking and drilling. It usually includes an ownership card to control key copies.
Does insurance cover a burglary if there are no signs of force?
It depends on your policy, but many require visible signs of forcing to cover the theft. That's why a cylinder that hinders clean, silent opening is worth it.
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