Andrew Marsden

Data center security faces a multitude of risks, but one of the most persistent dangers comes from a single action that facility personnel and their guests undertake every day: walking together through hallways and access points-often referred to as piggybacking. While it may seem insignificant, this practice can threaten access to sensitive data and expose organizations to considerable danger.

What Is Piggybacking and How Does It Happen?

Piggybacking is a significant security threat when an unauthorized individual “follows” an authorized individual with valid access credentials into a secured area. Piggybacking is often done unintentionally by staff holding a door for another person or by people quickly entering the doorway before the authorized individual fully clears the threshold.

Even the best managed and organized of data centers, with the most diligent of employees, can fall victim to this with all the activity, rush and uncertainty that can prevail on any given day within the data center. With incoming shipments of hardware and gear, visitors arriving at the facility for meetings with employees, and a general openness to the public, it is easy for someone to simply assume that another employee has already cleared the person in question. This is not the case.

Why Piggybacking Is a Serious Threat

Data centers hold valuable information and infrastructure. Even a short period of unauthorized access can lead to damage.

An intruder may install malicious software or hardware, connect unauthorized devices to a network, tamper with computer systems, or even simply listen and harvest enough information for a future attack. This type of access can also lead to data breaches or service disruption.

There’s also the issue of accountability. If someone enters without logging access, there’s no clear record of who was inside. That makes it harder to investigate incidents and identify exactly when a breach may have occurred.

Real World Impact and Human Factors

The common perception of a piggyback attack is that of a sophisticated adversary with significant training and technical ability. However, many such attacks are executed by the off-line, “naive” actions of an ordinary user.

Attackers have successfully gained access to restricted areas by dressing up as employees or bringing tools to an event and not being detected. In high-traffic venues, preventing these types of incidents requires robust procedures to be in place.

How To Prevent Piggybacking

First, staff awareness is key. Employees need to understand that access rules exist for a reason. Clear policies should be in place, and everyone must use their own credentials without exception.

Physical controls also help. Access points can be designed to allow only one person through at a time. Biometric systems and keycards add extra layers of protection and improve traceability.

Finally, encourage a culture where it’s okay to question unfamiliar faces. A simple check can prevent a much bigger issue later on, especially in areas where sensitive systems are located.

A great deal of sensitive information is nowadays stored in data centers. And just like any other type of security, physical security in a data center is just as important as cyber security. One type of physical security feature that can be found in a highly secure location is called a mantrap. Whatever its name may suggest, a mantrap is a secure entry vestibule designed to prevent an unauthorized person from sneaking in behind an authorized person.

Mantraps are used in high availability, critical assets and data environments where uptime is mission critical and only authorized personnel are allowed entry to the protected area.

How a Data Center Mantrap Works

A data center mantrap is a small room located between two doors. It has two access doors which can only be opened one at a time. Below, are the 3 key steps to a mantrap:

1. An individual enters the first access door.
2. The individual is identified
3. The second access door unlocks.

Here’s how it usually works in practice. To enter the mantrap, you must first provide some form of identification when stopped at the outer door. This may be a keycard, a fingerprint scan or a PIN. If the identification is correct, the door will unlock and you will be able to enter the mantrap.

Once inside, the first door will close and the system will start to verify and control access to the area through the identity documents of the person – and ensure that it is only one person. If all is correct, the second door will open, and the person will gain access to the restricted access area.

If the credentials don’t match or if there are two people instead of one, the inner door will remain locked, and a message will be sent to security.

The main reason for this is to stop tailgating, which is when an unauthorized person attempts to follow an authorized person through a door. Even if it’s just one unauthorised person who enters a secure area, this can cause a host of problems.

Why Mantraps Matter in Data Centers

Data centers are high-value environments. They may host servers supporting financial platforms, cloud systems, healthcare data, or government services. Physical access to these systems could lead to equipment damage, outages, or stolen information.

A mantrap adds an extra checkpoint. Instead of relying on a single door, every person entering the facility must be verified individually. That extra layer might seem small, but in high-security facilities, it makes a big difference.

Intelligent Mantraps and Modern Access Control

Today’s mantrap systems are often connected to advanced access control platforms. These systems can monitor entry attempts, integrate with biometric authentication, and record detailed access logs.

With the right configuration, the mantrap becomes part of a wider security strategy. It can integrate with surveillance cameras, intrusion detection, and identity management tools.

In other words, it’s not just a pair of doors – it’s a smart checkpoint that helps protect some of the most sensitive infrastructure in the world.

Modern data centers operate with three essential characteristics; resilience, fast operation and scalable design – but they contain numerous operational components. Complex systems create conditions that can lead to dangerous situations. Most security incidents don’t come from some movie-style hack. The accumulation of small daily errors throughout time leads to their occurrence. Below are the most common threats and vulnerabilities organizations run into, and where things usually go wrong in real life.

Social Engineering, Phishing, and Ransomware

Phishing is still one of the easiest ways into a data center environment. Attackers use deception to bypass system security protocols instead of attempting to break through defensive systems. The theft of credentials occurs when attackers use fake login emails, support requests and urgent messages that appear to come from management to obtain user credentials. The system becomes vulnerable to ransomware attacks after an attacker gains access to the system.

The problem isn’t just that phishing exists. Staff members may be busy and simply dismiss alerts, and many will only complete training requirements as a single mandatory task. The combination of weak passwords with duplicate login credentials and postponed security updates creates an environment that allows one security error to rapidly affect all network systems.

Insider Errors and Privilege Creep

Not every threat comes from outside. Insider mistakes occur frequently in larger organizations that have multiple team members. The administrator granted access to fix an urgent system problem, yet they failed to remove access rights after the problem was fixed. A contractor may keep their credentials for an extended period, which exceeds the required duration. Someone simply makes an incorrect choice from the production console interface.

The process of accumulating privileges through time results in privilege creep. Too many users have too much access, and nobody’s fully sure who needs what anymore. A security breach of an account leads to threats that spread all too rapidly.

Misconfigured Applications and Infrastructure

Open management ports. Exposed APIs. Unmodified default settings. All create security risks, which many organizations experience. The entire infrastructure of cloud-connected data centers becomes accessible to internet users when a single incorrect configuration setting is set.

These issues usually aren’t caused by a lack of skill. The simple reality is that teams operate under tight deadlines while dealing with limited staff and tools.

Third-Party and Physical Security Gaps

Vendors, service providers, and partners often have access to data center systems. If their security systems are weak, this will also make your system vulnerable to attacks. Third-party exposure has become a significant security risk because organizations lack proper control over access permissions and their third-party network connections remain unmonitored.

Physical security stands as one of the essential security requirements. Security breach reports show that unlocked racks, shared access badges and insufficient visitor controls remain common security vulnerabilities. Physical security of hardware systems continues to be vital because digital protection systems lose their effectiveness when an attacker reaches the equipment in-person.

Data center security is set to look very different in 2026 than it did just a few years ago. Organizations now handle distributed workloads while their teams work with fewer members and digital security threats have combined with standard physical security weaknesses. The current challenge for data center security solution architects requires them to choose vital tools while they need to identify vital weaknesses and establish which security issues represent the biggest threats.

Below are the areas worth slowing down and thinking through before you make any decisions.

Start With Risk, Not Technology

Organizations need to perform risk assessment as their first step before they can start working on technological solutions. If your initial approach starts with features including cameras and sensors, access controls and dashboards, this may create hidden problems. Your risk profile should be the first thing you need to understand. Where are your facilities? Who has access, and how often does that change? What would downtime realistically cost?

2026 will see data centers operating in hybrid and edge environments, which will create new security risks, including unauthorized access and increased exposure to data breaches. Security approaches that depend on a single perimeter or static site fail to provide adequate protection. Organizations should implement methods that recognize that they will experience ongoing transformations and sporadic breakdowns because these events will occur.

Physical And Cyber Security Can’t Be Separate

The current data center security system suffers from a major weakness because physical security personnel work separately from cyber security personnel. Those risks overlap. A stolen badge can lead to system access. A network that has been compromised will make it impossible to use physical security measures.

The evaluation process requires you to assess physical security data system connections to digital monitoring systems and incident response protocols. Any lack of established ownership rules for alerts that span different systems results in delayed responses and makes it unclear who should take responsibility.

Visibility And Accountability Matter

In 2026, “we didn’t know” isn’t an acceptable outcome after an incident. Logging, audit trails, and real-time visibility are now basic requirements. You’ll want solutions that clearly show who accessed what, when, and why, ensuring only authorized individuals can gain access. This matters even more as staffing models shift. Fewer on-site security teams mean more reliance on remote monitoring and vendors. Good security makes accountability obvious rather than implied.

Scalability And Day-To-Day Reality

Security that works on paper but fails operationally is still a failure. Ask how systems scale, not just technically, but administratively. Can you onboard staff quickly? Revoke access instantly? Adjust policies without major disruption?

Also consider alert fatigue. More data isn’t helpful if no one can act on it. Strong solutions, including advanced detection systems and integrated security technology, support decision-making rather than overwhelm it.

Plan For What Breaks

Finally, assess how solutions perform when something goes wrong. Power issues, outages, and human error aren’t rare events. The best data center security solutions will plan for recovery as much as prevention.

It has been clear for a while that biometrics were going to play a bigger role in access and security, but 2026 is shaping up to be a turning point. Stronger technology, lower costs, and rising expectations around security are pushing more companies to explore fingerprint, face, iris, and voice authentication as everyday tools rather than futuristic ideas. With the global biometrics market growing quickly, we are close to seeing wider adoption than ever before. Many organizations that once viewed biometrics as optional are now treating them as a necessary part of modern security planning.

Better Accuracy and Faster Performance

One of the main reasons biometrics will see strong growth in 2026 is the rapid improvement in accuracy and speed. In the past, scanners could be slow or unreliable, especially in poor lighting. Today, accuracy rates are far higher, sensors respond almost instantly, and Artificial Intelligence (AI) adapts more easily to changes in a user’s appearance. These improvements make authentication feel smoother and more natural for users, giving organizations greater confidence in installing biometric systems across multiple sites. Better performance also reduces frustration, helping teams adopt new systems more quickly.

Stronger Security When It Is Needed Most

Many organizations are adopting biometrics because traditional badges and codes are no longer enough on their own. They can be lost, shared, or copied. Biometrics rely on unique physical traits, offering stronger protection at a time when security threats are becoming more common. AI is also helping systems recognize unusual behavior and spot potential issues before they become serious. Biometrics do not need to replace other methods entirely, but they add a meaningful layer of identity-based security that businesses are increasingly looking for.

Broader Adoption Across Industries

In the past, biometrics were mainly used in airports, laboratories, and high-security sites. Now the technology is more accessible, and a wider range of industries are taking an interest. Retailers want faster and safer employee access, schools want better control over who enters the building, and offices want simpler sign-in experiences without relying on plastic cards. By 2026, biometrics are likely to be a common part of multi-factor authentication across many environments, supporting both convenience and compliance requirements.

The Market Momentum Is Already Here

The global biometrics market is expanding fast, driven by a need for stronger security and a shift toward modern, AI-powered systems. More companies are replacing outdated access methods, and more vendors are offering advanced biometric tools with improved reliability. Everything is aligning for a major rise in adoption.

In short, 2026 is set to herald substantial advancement in biometrics adoption; it is shaping up to be the year when many organizations finally make the move. If trends hold steady, biometric authentication will soon feel like a natural and expected part of secure access everywhere going forward.

Artificial intelligence (AI) and biometric systems have been moving closer together for years, but recently the pace has picked up. It is no longer just about scanning a face or a fingerprint. Access systems are beginning to think a little, watching for patterns, spotting unusual behaviour, and learning from what happens around them. As data centers expand and people move through them quickly, the mix of AI and identity technology is shaping how doors open, who gets inside, and how threats are flagged before anyone notices, with biometric technologies becoming more embedded in everyday infrastructure.

How AI Is Changing Biometric Access

Most people already know the basics of facial and fingerprint checks, but AI is pushing things further. New systems look at details that are extremely hard to fake, such as the way a person walks, how they hold their device, or the rhythm of how they interact with a keypad. This form of behavioural biometrics adds an extra layer of protection without slowing down everyday movement.

AI also improves the accuracy of matches. Older tools struggled with bad lighting or awkward angles. Modern models clean up images, compare many more data points, and adjust as a person’s appearance changes. If someone grows a beard or puts on new glasses, the system will still recognize them, reducing the risk of false matches and helping maintain strong identity verification standards.

The biggest shift is continuous authentication. It does not stop at the door. AI keeps an eye on movement inside a facility, learning what normal behaviour looks like and raising alerts when something seems out of place. If a user enters a room they never access or their patterns suddenly change, the system responds early rather than after damage is done, using real time insights to strengthen overall security measures.

New Threats: Deepfakes, Spoofing, and Data Risks

Stronger technology encourages stronger attacks. Deepfakes are becoming more convincing, and criminals try to fool sensors with printed masks, replayed audio, or edited images. AI helps defend against this by spotting tiny clues that the human eye misses, such as incorrect lighting, unnatural skin texture, or missing micro movements.

Data privacy is another important concern. When a system stores face scans, behavioural patterns or other biometric data, it holds sensitive information that cannot be reset like a password. Future ready environments will need strict rules about encryption, retention, and secure storage, along with frequent checks to ensure that models remain fair and accurate. As reliance on biometrics grows, strong regulatory frameworks will be essential to protect users and reduce the risk of misuse.

What Future Ready Data Centers Will Need

To stay ahead, data centers will combine AI powered biometrics with strong physical security foundations. Good lighting, clear camera views, and defined access roles still matter. AI simply adds more insight and faster judgment. The most effective systems will let cameras, sensors, logs, and access tools share information so that teams can spot problems early and respond quickly.

There will always be new threats, but AI gives access control a living sense of awareness. Instead of reacting after the fact, data centers can learn, adapt, and stay ahead.

Physical security is the foundation of every data center compliance program. You can encrypt traffic and harden servers all day, but if someone can walk into a rack room unchecked, those controls won’t matter. The good news is that a clear set of security measures and physical standards makes data center infrastructure stronger and audit prep a lot easier.

Biometric Access and Layered Entry

Strong access control starts at the perimeter and tightens as you move inward. Most compliant sites use multi-factor entry with a badge plus PIN, then biometrics. Doors open in sequence, so only one zone is active at a time. Think gate, lobby, mantrap, cage, cabinet. It sounds strict, and that’s the point. Every access is logged automatically, tied to a person, a door, and a timestamp. When an auditor asks, you’ll be able to show who entered, why, and for how long. These access points form the first line of defence in a secure data center, supported by security guards and monitoring systems to maintain full visibility over all areas of the data center.

24/7 Surveillance and Recording

Round-the-clock monitoring systems and video coverage are standard across all areas of the data center. Closed circuit television (CCTV) cameras and intrusion detection systems monitor entrances, aisles, and loading docks—anywhere a person could approach equipment. Feeds are reviewed, alerts are routed, and recordings are kept for a defined retention period that matches policy. It isn’t just deterrence; it’s evidence. During an investigation or control test, video plus access logs tell a consistent story and close gaps fast.

Visitor Management and Chain of Custody

Vendors and guests shouldn’t be a blind spot. A tight visitor process covers pre-approval, check-in with ID, escorted movement, and sign-out. Temporary badges are limited by time and area. If someone is swapping a drive or moving a chassis, a simple chain of custody form follows the asset from the cage to the loading dock. Those small steps make audits smoother and prevent surprises.

Environmental Safeguards and Resilience

Physical security also means keeping the facility healthy. Redundant power and cooling, fire detection and suppression systems, water leak sensors, and clean-agent systems all protect availability without harming equipment. Doors close, alarms trip, generators start, and the team tests these controls on a schedule. Documented drills matter as much as the hardware because proof of routine testing is what auditors look for.

Mapping Controls to PCI DSS, HIPAA, FISMA, and NERC CIP

Here is how the pieces line up:

• PCI DSS restricts physical access to cardholder data and requires visitor logs, media handling, and reliable video or door records. Your layered entry, surveillance, and custody steps cover those points.
• HIPAA safeguards facilities and devices. Access logs, escort rules, and disposal procedures support the Physical Safeguards standards.
• FISMA expects defined physical protections, monitoring, and incident response. Your controls feed into system security plans and continuous monitoring.
• NERC CIP calls for documented physical barriers, access lists, and monitoring for critical cyber assets. Biometric gates, alarms, and badging fit neatly here.

The Payoff for Security Today and Audit Readiness Tomorrow

Do the basics well, keep policies simple, automate the logs, review them often, and test. You’ll protect what matters, and when the audit comes, you’ll already have the proof. Compliance won’t feel like a scramble. You will be demonstrating regular, well-run operations that stand up to any checklist and strengthen long-term data center operations.

When people think “data breach,” they picture code and keyboards. But a lot of damage starts at a door. If someone gets into a server room without permission, they can pull a drive, plug in a rogue device, or just unplug a rack and cause a costly outage. It doesn’t take elite skills, just time alone with the kit.
There’s also the insider angle. Most data centers rely on vendors, contractors, and rotating staff. Badges get shared. Keys get copied. Tailgating happens when someone holds a door for the next person. None of this feels dramatic, but it’s risky. Even a well-meaning engineer can make a mistake that knocks a system offline. And if audit trails are thin, you won’t know who did what or when.

Start With Layers

Good physical security stacks simple layers, so one failure doesn’t sink you. Think fence and lighting outside, cameras with recording, and gates tied to access control. At the building, there’s a staffed reception, visitor checks, and lockers for personal gear. Inside, you’ll see mantraps that only let one person through at a time, anti-tailgating sensors, and doors that fail safe but stay secure. Cages and locked racks add another layer, so getting into the room isn’t the same as reaching the hardware. It’s not only doors. Shipping and receiving need checks. So do maintenance corridors and roof hatches. Power rooms, fuel storage, and network cabinets matter too, since downtime there hurts just as much as a stolen server.

Why Biometrics Raise the Bar

Cards and PINs are easy to share or lose, but biometrics are not. Fingerprint, face, or iris readers tie access to a person, not a plastic badge. Modern systems add “liveness” checks to spot spoofs, and they work even when hands are full, which keeps queues short. That ease helps adoption because people will follow a rule if it doesn’t slow them down. Biometric events also create cleaner logs. You can link a technician’s identity to a work order, a rack door, and a time window. That closes gaps in change control. It also helps incident response. You will be able to see exactly who has entered and for how long. Tie that data into your SIEM and ticketing, and you’ll spot odd patterns faster, like repeated after-hours visits or access outside someone’s role.

Make It Part of Operations

Physical access isn’t a one-time project. It’s a habit. Write clear rules for visitors and vendors. Train teams to stop tailgating, even when it feels awkward. Test mantraps, alarms, cameras, and door locks on a schedule. Rotate badges often and disable them fast when people leave. Review footage when alerts pop up and keep retention in line with policy and law. Do all that, and you get more than locked doors. You get uptime, clean audits, and fewer surprises. In a world where data is money and minutes matter, this is what resilience looks like.