How is technology improving security in the hotel industry?

Key takeaways

• Modern hotel security relies on digital tools like mobile keys, biometrics and AI-powered monitoring to keep guests and operations safe.
• Cloud-native systems improve security by centralizing data, reducing hardware vulnerabilities and delivering automatic updates.
• Strong cybersecurity, including encryption, secure payments and access controls, is essential as hotels adopt more connected technologies.
• Smart devices and IoT tools enhance on-property safety by providing real-time alerts and better visibility across the hotel.
• Investing in advanced security tech strengthens guest trust, protects brand reputation and supports long-term operational resilience.

Hotel security technology is something all hoteliers should be aware of. There are many ways to streamline hotel security systems – your goal is to offer the best protection to your guests. We’ll look at the latest technologies improving hotel security and how they can make a difference to the guest’s experience.

The importance of hotel security

Strong hotel security is essential for protecting guest data, safeguarding on-property operations and maintaining trust in an increasingly digital hospitality landscape. 

As hotels adopt more connected systems such as mobile check-in, digital payments and cloud-based PMS platforms, cyber threats and operational vulnerabilities naturally increase. 

Modern security measures help prevent breaches, ensure compliance and keep both guest information and internal systems safe. For today’s travelers, hotel security isn’t optional; it’s a core part of the guest experience and a fundamental requirement for hotels to operate confidently and efficiently.

How strong hotel security shapes your brand reputation

Security directly influences how guests perceive your brand. A single breach can disrupt operations, damage guest trust and take years to repair. Conversely, hotels that invest in robust cybersecurity, secure payment systems and transparent data protection practices position themselves as reliable, forward-thinking brands.

Demonstrating strong security measures signals professionalism, builds loyalty and reassures guests that their personal information is always handled with care - helping elevate your reputation in an increasingly competitive market.

Technologies and strategies that are improving hotel security

Technology helps hotels to improve security in many ways. To learn more, check out the biggest technology trends in the hospitality industry.

Keyless entry

Convenience is a top priority for travellers, which is why the digital key plays a crucial role in modern hospitality, enhancing both guest experience and hotel operations. 

Through keyless entry, hoteliers can create a seamless and secure guest experience from booking to checkout. This means that guests can bypass the front desk entirely and access their rooms using their smartphones, without the need to queue at the reception desk.

Keyless entry is one of the safest ways to improve hotel security and ensure that unwanted people can't access the facilities. These systems are powered by electronic lock technology, letting guests access rooms via digital keys or through a mobile app.

The Digital Key from Mews offers enhanced security compared to traditional key cards. Here’s how:

• Digital keys mitigate the risks of lost, stolen or broken keycards, allowing hotels to track access and remotely deactivate them if needed. They are harder to duplicate and can be instantly deactivated if lost or stolen. 
• The most secure digital keys are powered by Bluetooth, which means only someone close to the door can unlock it.
• Sharing is limited to the number of people specified in the reservation. 
• Room access privileges are automatically updated based on real-time adjustments to the reservation in the PMS. 

Cybersecurity

Hotel data breaches are one of the most potentially dangerous threats to your hotel’s reputation and the security of your guests. In recent years, we hear more and more stories about hotel security breaches across all industries – including hospitality. According to a 2023 Trustwave report, “31% of hospitality organizations have reported a data breach in their company’s history, of which 89% have been affected more than once in a year.” 

Despite the escalating threats, guests who share their personal information with hoteliers expect them to keep their data safe and sound. That said, limiting the volume of data collected is not a good way of meeting these expectations. Hospitality runs on data and will continue to do so because providing guests with the best possible experience requires access to data, which is utilized to book rooms, safely process payments and much more.

Hotels need to be able to safely handle sensitive information like credit card data, passport numbers, addresses and full names, making data encryption and secure payment processing a requisite to protect guest data from cyberattacks. With the advent of cloud-based property management systems like Mews, hotels no longer have physical copies of this data. Instead, data is continuously backed into the cloud and encrypted for safety. Hotels can also have information encrypted across multiple servers for added security. 

User management

As hotels scale, adding more users increases the risk of internal security breaches - from shared accounts and weak passwords to inactive users left with access. High staff turnover and constantly changing property operations only amplify the issue. In fact, Verizon reports that 74% of breaches involve the “human element,” including user error, privilege misuse, stolen credentials or social engineering.

That’s why strong user management is essential for hotel groups, where staff access systems across multiple devices and locations. User management ensures users are properly created, maintained and authenticated, with permissions aligned to their roles - so the right people have the right access and nothing more.

Some of the primary user management security measures are:

• Single Sign-On (SSO): Enables users to access multiple systems with one set of credentials.
• SCIM provisioning: Automates user account creation and removal, supporting secure onboarding and offboarding.
• Multi-Factor Authentication (MFA): Adds an extra verification step, reducing the risk of unauthorized access even if credentials are compromised.

Together, SSO and SCIM strengthen data integrity and help protect your brand by supporting secure, seamless operations that preserve guest trust.

Machine learning and AI

Machine learning and AI can help hoteliers analyze behavior patterns and recognize suspicious behaviors. These most commonly include attempts to use fraudulent cards or make fraudulent reservations. It could also be an unauthorized person trying to enter the hotel using biometric access.

Biometric authentication

Biometric authentication, such as facial recognition or fingerprints, is another type of technology that is helping to improve hotel security. It ensures access to secured areas only to authorized personnel and guests. As it's very safe, some properties use it to grant access to hotel rooms as well.

The IoT

Have you ever heard of the Internet of Things (IoT)? It's a network of smart devices that collect and send data to deliver personalized service. For instance, sensors can communicate with lighting to help detect whether a room is occupied, turning the lights on or off.

Radar sensors can detect if a guest is experiencing life-threatening conditions in the room, which is especially important for those traveling alone.

Surveillance cameras

It's a good idea to install high-quality surveillance cameras throughout the hotel's facilities, from parking lots and hallways to public areas. They deter potential criminals and can help identify the culprit in case of incidents. Newer models also support facial recognition, low-light vision and color recognition analysis.

Voice technology 

If you need ideas for how to use voice technology, try in-room entertainment, control of hotel security devices and voice-activated apps. It's a powerful tool for protecting guests who have a medical emergency, when it can be a life-saving ally. 

RFID 

RFID technology (radio-frequency identification) can track and manage inventory, preventing theft throughout the hotel, including the restaurant, bar, housekeeping and spa. Besides protecting you from losses, it helps identify anyone stealing from the hotel. By detecting suspicious people sooner rather than later, you're doing your best to protect your guests. 

Mobile apps 

Mobile apps have become indispensable for communication between hotel guests and staff. Any service request or reported issue pops up as a notification on staff's smart devices and computers, ensuring a prompt reaction. 

Integration with law enforcement 

With proper security mechanisms, hotels can communicate with law enforcement quickly and easily. There are ways to integrate the security system with local law enforcement, helping to speed up response times. The faster your hotel can handle an emergency, the better it is for your reputation. 

Conclusion

Technology is an essential aspect of modern hotel security, helping to keep guests, the property and everyone's data safe. You can create a safe environment by balancing hotel security and privacy without infringing upon guests' rights. We covered the top trends to improve security like biometric authentication, sensors, keyless entry, machine learning and cloud-based systems.

Proper hotel security technology protects guests, whether by encrypting their information while booking a room or by keeping suspicious people from entering the facilities with the help of surveillance cameras. Be sure to take privacy and hotel security seriously and do your best to create a safe environment.

Mews is best-in-class when it comes to PMS hotel security. Discover how we keep your guest and property data secure, from personal information to payment details. If you are ready to see our PMS in action, book a demo today.