Keyless Access Control vs Lock and Keys: Which is More Secure?

October 1, 2023

Over the years, security against theft and vandalism has become an optimum priority. This includes securing our homes, workplaces, industries, and organizations. The use of locks and keys has always been a go-to option as regards ensuring effective security. However, with the advancements in technology, more sophisticated commercial security systems like the keyless access control have been developed.

These new security systems come with many great benefits. Imagine not carrying a bunch of keys around just to access the security system at work? Plus, you don’t have to worry about losing the keys to the wrong hands. Compared to the lock and keys, the keyless control system is safer for preventing unwanted intrusion.

In addition, advancement in technology does not always guarantee a better result. So, the question is, “Which is more secure: the lock and key security system or the more advanced keyless access control?”

We will be discussing extensively both types of security systems below, and by that, we will address the answer to this daunting question subsequently.

Lock and Key Security System

A lock and key is a mechanical device that works together in ensuring safety. The lock is put in place to restrict access to certain areas of your house or workplace while the key functions to unlock the lock. There are various types of locks and keys for different purposes.

The types of locks include:

Cylindrical locks: These types are used to secure places that do not require heavy security. This is because pliers can easily destroy them in the absence of a key. Sometimes, the lock is not used alone as it is paired with other locks to secure a place. It is mostly used to secure storerooms.
Padlocks: These locks are detachable and can be removed once unlocked with their keys. They are also low-security because they can be removed when the right amount of force is applied.
Dead-Bolt Locks: Unlike padlocks, these locks are mounted on the door and are a bit different from other types of locks. In this case, the bolt acts as the lock. When the key is moved in to lock the door, the bolt protrudes or projects into the door frame. This provides a higher level of security and cannot be easily removed without the key.
Mortise locks: These locks are embedded in the edge of the door. They usually require a doorknob on either side of the door. They also provide low security because they tend to weaken the edge of the door where they are embedded. It’s advisable to use these locks with metal doors than wood doors.

These locks have different locking mechanisms and components and are used to secure various kinds of doors.

Pros:

It is simple and easy to use
Doesn’t need internet access
It doesn’t operate with a power supply

Cons:

Risk of losing keys
Need the attention of a commercial locksmith if the locks have an issue.

Keyless Access Control

Unlike the locks and keys, the keyless access control system needs no keys, as the name implies. Mostly, it uses the commercial access control for its locks and they include key cards, biometrics, mobile access control, video-enabled access, or a combination of any of them.

Key cards: Key cards are nothing like the regular keys that we know. They are usually in cards, like ID cards, and can even be coupled with an ID card. Key cards are used in companies and organizations to restrict access to certain parts of the building. Even if you work for the company, you might be restricted from entering certain offices, and only authorized personnel are allowed.

Although it is an advanced security system, it isn’t as safe as it sounds because once you get a hold of an authorized key card, you can gain access to restricted areas. Key cards are simple and straightforward to use; just place your key card against the electric lock of the door, and the door opens if your card is authorized.

Biometrics: This is a bit more advanced security system as it requires features that are peculiar to each individual. Features like iris, fingerprints, facial features etc., are used. These features cannot be lost or stolen from a person and belong to the high-level security system. Iris scanner , fingerprint scans and facial recognition are used in this case to ensure security.
Mobile access control: This security system uses mobile phones. Applications are installed on the phone and are used to gain access to the locks. This system is also considered high security because you are less likely to lose your phones.
Video-enabled access: A video reader is used in this case, combined with access to mobile phones. The use of CCTV wards off unwarranted entry attempts and also identifies whoever attempts to do so.

Pros:

It doesn’t involve carrying keys
Easy to operate, even by kids
Restrict access to unwarranted entry

Cons:

Need to access the internet
Constant power supply

Now, back to the question, which of these two security systems is more secure? This depends on many factors such as:

What are you trying to secure?
Who are you securing it from?
The kind of neighbourhood you live in

Both kinds of security systems are considered secure depending on the factors above. If you secure a high profile, vital goods or files, or a precious item, then using a keyless access control like biometrics is more appropriate. This ensures that you would be the only one that can access the security.

But if you want to secure your homes, workplaces, or stores, using the lock and key security system is more appropriate because you need not worry about constant power supply or access to the internet to be able to unlock your locks. However, it is advisable to use locks that are more on the high-security level, like dead-bolt locks.

If you need help with your door locks or installing one of the ones we’ve discussed above, please do not hesitate to contact a residential locksmith near you. For that purpose, Brothers Locksmith is available at your service to get you exactly what you need and protect access to your loved ones and belongings. Call now.

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Can You Rekey Smart Locks or Only Traditional Ones?

By Ghulam Mustafa • April 6, 2026

Smart locks promise convenience. Keyless entry. Remote access. Control from your phone. But when it comes to security, one question still confuses many homeowners: Can you rekey a smart lock the same way you would a traditional one? Or are you stuck replacing the entire system? The answer isn’t as simple as yes or no. Because not all locks—smart or traditional—work the same way. And understanding that difference can save you time, money, and unnecessary upgrades. Start With What Rekeying Actually Means Rekeying isn’t about changing the outside of a lock. It’s about altering what happens inside. In a traditional lock, rekeying changes the internal pins so old keys no longer work. The hardware stays the same, but access is completely reset. It’s one of the most efficient ways to regain control—especially after moving into a new home or losing a key. But this process depends on one thing: A physical key mechanism. And that’s where smart locks start to differ. Why Traditional Locks Are Easy to Rekey Standard deadbolts and cylinder locks are built for it. Their internal pin systems are designed to be adjusted, reconfigured, and reset without replacing the entire lock. A locksmith can quickly change the key combination while keeping the same exterior hardware intact. This is why rekeying has always been the go-to solution for restoring security without overspending. It’s simple. Direct. Reliable. And in most cases, it’s all you need. What Makes Smart Locks Different Smart locks aren’t just locks. They’re systems. Some rely entirely on digital access—keypads, apps, or biometrics. Others combine smart features with a traditional key cylinder. That distinction matters. Because you can’t “rekey” something that doesn’t use a physical key in the first place. Instead of pins and tumblers, fully digital locks rely on codes, permissions, and software-based control. So the way you reset access changes completely. Can Smart Locks Be Rekeyed? It Depends on the Type If your smart lock includes a physical key override, then yes—part of it can be rekeyed. The mechanical cylinder inside can be adjusted just like a traditional lock. A locksmith can change the key access without affecting the smart features. But if your smart lock is fully keyless, there’s nothing to rekey. In those cases, security is managed digitally. You simply delete old codes, reset access permissions, or perform a factory reset. No hardware changes required. Just a different kind of control. Why Digital Resetting Replaces Rekeying in Smart Systems With traditional locks, control comes from keys. With smart locks, control comes from access management. Instead of worrying about who has a physical copy, you manage: Who has a code When they can enter How long their access lasts If someone no longer needs entry, you don’t rekey. You remove them. That shift is what makes smart locks powerful—but also why people misunderstand how to secure them properly. When Rekeying Still Matters in a Smart Lock Setup Even if you use a smart lock, the physical key backup shouldn’t be ignored. That override exists for a reason. Power failures. Technical glitches. Dead batteries. In those moments, the mechanical key becomes your fallback. If that key has been copied, lost, or shared in the past, rekeying the cylinder is still essential. Because digital security means nothing if the physical backup is compromised. Should You Rekey or Replace a Smart Lock? Not every situation requires a full replacement. If your concern is access control, resetting codes or permissions is usually enough. If your concern is physical key security, rekeying the cylinder solves the problem. Replacement only becomes necessary when the lock is damaged, outdated, or no longer reliable. The mistake most people make is jumping straight to replacement—when a simple reset or rekey would have done the job. The Hidden Risk: Forgetting Old Access Points Whether it’s a traditional lock or a smart one, the real issue is often the same: Too many people have access. Old tenants. Previous owners. Contractors. Guests. With traditional locks, that risk lives in duplicated keys. With smart locks, it lives in forgotten codes and active permissions. If you don’t actively reset and review access, your lock—no matter how advanced—stops being secure. When to Call a Professional If you’re unsure whether your smart lock includes a rekeyable cylinder, or if it’s not functioning properly, it’s worth getting expert input. A locksmith can assess your setup, identify whether rekeying is possible, and ensure both your digital and physical security layers are aligned. Professionals like Brothers Locksmith often handle hybrid systems, where both smart features and traditional mechanisms need to work together seamlessly. Because real security isn’t about choosing one or the other. It’s about making sure every layer does its job. Final Thoughts Rekeying isn’t outdated. It’s just evolving. Traditional locks rely on it. Smart locks replace it with digital control. And hybrid systems use both. The key is understanding what kind of lock you actually have—and how it manages access. Because security isn’t about the label on your lock. It’s about who can still get in. And whether you’ve taken the time to change that.