What is a Tailgating Attack? Understand This Sneaky Security Threat

Introduction

Imagine yourself entering your office building and, as you open the door, someone appears right behind you, behaving as if they belong there. Without a doubt, you let them in because you believe they are an employee. What is tailgating attack? This is the fundamental idea behind a tailgating attack, a social engineering technique in which an unauthorized person uses human decency and trust to enter a restricted location.

One of the most common physical security lapses is tailgating, which lets thieves, hackers, and corporate spies access restricted areas without being noticed. The sole basis for tailgating is human psychology, namely, people's propensity to keep doors open, avoid conflict, or believe that others belong, in contrast to hacking attempts that call for technological expertise. Tailgating is a major danger for enterprises since social engineering tactics account for about 70% of unauthorized access events, according to Proofpoint.

The Risks Associated with Physical Security Violations

Serious repercussions from tailgating might include system hacks, workplace violence, data theft, and espionage. Physically entering restricted locations, server rooms, or offices allows attackers to disrupt vital infrastructure, steal confidential information, or infect business networks with malware. Due to the sensitive data they manage, large businesses, financial institutions, and government organizations are often targeted.

Strict access control measures, such as visitor management systems, security turnstiles, and badge verification, must be put in place by businesses to counter this rising threat. Training employees is also essential; they should know how to spot typical social engineering techniques and feel confident enough to confront strangers.

Defending against a tailgating assault begins with knowing what it is and how it takes advantage of human weaknesses in physical security. Businesses may guard their assets and stop unwanted access by maintaining vigilance and implementing stringent security procedures.

What Is an Attack by Tailgating?

A tailgating attack is a form of security concern in which malicious individuals seek to gain access to a restricted area by following an authorized user into the area. Unlike cyber attacks, tailgating attacks capitalize on physical security breaches by exploiting human beings rather than technological weaknesses. Failure to address these risks is likely to place critical systems within reach of reckless security.

Social engineering is one of the many ways in which attackers are able to breach physical barriers and gain access to sensitive files or sensitive areas. They can, for example, impersonate a credible maintenance worker or delivery person while carrying equipment or boxes. Some hackers will go as far as asking employees for their phones or laptops, claiming to need them to access a login, when in fact, they'll use them to plant a virus.

Tailgating attack success results from long periods of careful monitoring and controlling access points to an area. People trying to gain access to secure areas with the intent to steal or conduct surveillance have to outsmart the employees entering the area. They exploit the notion of trust and the unique etiquette of modern-day business to circumvent the security infrastructure.

Such actions are detrimental in many aspects. Once inside, an attacker could compromise an organization’s sensitive data, manipulate sensitive network devices, or install advanced persistent threats on the system. These include security identification systems, turnstile gates, and comprehensive employee education and drills. Expanding understanding of social engineering tactics is important in diminishing threats.

Being familiar with what a tailgating attack is, plus its impact on security, speaks for the need for an elaborate risk management plan. The mix of cybersecurity measures and physical security safety nets will help businesses cut down on risks revolving around their most valuable assets.

Tailgating vs. Piggybacking: What’s the Difference?

Although tailgating and piggybacking are frequently used interchangeably, they are not interchangeable terms. In a tailgating attack, an unauthorized individual enters the facility behind the unsuspecting employee. Usually, the unauthorized attacker waits until someone opens a secured door, then discreetly follows that individual through the door.

In a piggybacking situation, the authorized employee knows that someone is entering with them, but believes they (the 'someone') belongs there. Take, for example, the authorized employee who allows the unauthorized attacker in after the attacker simply asks for assistance; perhaps the attacker has “boxes to carry”, or “forgot their badge”, or “is in a hurry”. Most people will generally hold the door open simply out of common courtesy.

These tactics go around the physical security controls, but piggybacking generally relies on the human kindness factor, while tailgating relies on no one noticing.

An Organization’s Risk

It's essential to comprehend what a tailgating attack is to maintain security. Because tailgating enables unauthorized people to get around limited entry points, it poses a direct danger to an organization's physical security. An invader can get past security measures, including locked doors, fences, and biometric systems, if they are successful in their tailgating attack. Unauthorized physical access puts a company at risk for several things, such as theft, data breaches, and operational sabotage.

Risks Associated with Tailgating Attacks

Tailgating attacks can result in several security risks, including:

Device Theft: Computers, smartphones, and other expensive gadgets can be taken from secure locations by intruders. Future hacks may utilize or sell these stolen goods.

Unauthorized Data Access: Employees frequently leave confidential papers on desks or leave their laptops open, which can lead to data theft. Inside a protected place, an attacker can take sensitive corporate data.

Compromised Devices: Attackers can get around software-based protections when physical security breaches occur. Once entered, a tailgater may use malicious software, such as ransomware or keyloggers, to get continuous access.

System Sabotage: Sabotage is the deliberate disruption caused by unauthorized access to vital systems. Attackers may destroy data, disable infrastructure, or even demand a ransom to restore operations.

Typical Techniques for Tailgating

Tailgating assaults frequently use social engineering techniques to trick staff members into allowing access. Typical pretexts include:

Lost or Forgotten ID: An intruder may pose as a worker who left their ID at home. For "just this once," they could beg someone going into the building to let them in.

Delivery Driver Disguise: Staff members could be reluctant to allow access to strangers. However, to gain access to guarded zones, attackers might pose as delivery trucks carrying heavy parcels.

Complete Hands Trick: To move big objects, assailants may pose as employees or delivery personnel. A person who seems to be having difficulties is more likely to have their door held open.

Propped Door Opportunity: Staff members occasionally prop doors open for convenience. It's simple for a tailgater to go by without drawing attention.

Theft of ID or Credentials: An attacker can pose as a real employee if they take or duplicate an employee's access card. They can get by security checks undetected by using this technique.

It is imperative for organizations to acknowledge these physical security threats and train staff to spot social engineering techniques. Reducing tailgating hazards and protecting sensitive places requires the implementation of stringent security systems.

In what location does tailgating occur?

In busy multi-tenant buildings, tailgating attacks are rampant. Random people entering the building for purposes not known to the building’s employees makes it easy for tailgaters. This makes it simpler for criminals to bypass security measures and gain access to restricted areas. According to a Readex Research study, 48% of organizations reported at least one tailgating breach in the last two years.

Employees who do not comply with cybersecurity protocols are also prone to tailgating in their workplaces. Indolence, lack of knowledge about possible attacks, and lack of teaching about social engineering strategies contribute to this problem. Employees who do not see the problems of security will let attackers breach the premises to increase the chances of compromising security.

Organizations are not immune to these issues, especially when there are no biometric access systems. Without electronic verification, certain places can be accessible to undeserving individuals. With no or limited advanced security measures, these companies will struggle in identifying places that are inadequately safeguarded and forming plans to alleviate these concerns.

The Risks of Tailgating

Due to the lack of sophisticated instruments needed, tailgating is frequently regarded as a low-tech attack. Nonetheless, it is a major physical security violation that may have detrimental effects on operations and finances. Weak access controls may be used by malicious actors in several ways to jeopardize an organization's security.

For instance, a tailgater may infect corporate machines with malware, steal expensive equipment, or exfiltrate confidential data. Additionally, they could disable important systems, introduce malware or ransomware into the network, or open a backdoor to obtain access in the future. Some attackers set up covert cameras to remotely monitor business operations and conduct corporate espionage. Others pilfer client names, financial information, or intellectual property.

Corporate spies, criminals, vandals, and irate workers can all be considered tailgaters. Unauthorized access can cause safety risks, property damage, and operational disruptions regardless of the purpose. In severe situations, tailgating can potentially lead to injuries, fires, or stampedes that endanger workers.

Tips for Preventing Tailgating

An organization can mitigate physical security compromises with robust access control measures. Safeguarding against unauthorized individuals entering the premises requires a combination of technology, procedures, and personnel. Here are some effective measures for combating tailgating attacks.

Electronic Access-Controlled Doors: It is crucial to mount access-controlled doors at entrances and restricted areas that rapidly close to prevent unauthorized entry. Tailgating attempts can be controlled with revolving doors that only allow one person to pass through at a time. These doors prevent unauthorized people from entering verification-controlled areas.

Mantraps and laser sensors: Only one person is allowed admission per authentication attempt thanks to photosensors, laser sensors, and mantrap security devices. By preventing authorized workers from following them into prohibited areas, these technologies stop attackers. Mantraps work especially well in high-security settings where social engineering techniques must be controlled.

Biometric Examiners: Retinal scans, palm print readers, and fingerprint scanners are examples of biometric security systems that offer high-level access control. Only pre-registered employees are permitted entry to restricted locations thanks to these technologies. Turnstiles with biometric integration stop several people from going through at once. Tailgaters are immediately excluded if they do not have saved credentials.

Smart Cards: Smart cards are intended for single-user usage and aid in controlling access to buildings, workplaces, and rooms. Tailgaters are prevented from entering restricted areas using smart cards in conjunction with electronic access control. To preserve security, lost or stolen cards can be disabled right away.

Employers should mandate that staff members wear visible photo IDs and provide temporary credentials to guests. It gets easy to spot unauthorized people when someone is not wearing a plainly visible ID. By limiting access to critical places to authorized individuals, this approach improves security.

Monitoring via Video: AI-powered surveillance systems and CCTV cameras offer a round-the-clock entry point and vital area monitoring. Tailgaters trying to enter without authorization are discouraged by the presence of visible surveillance cameras. Real-time notifications from AI-enabled solutions help security teams react quickly to unwanted access attempts and social engineering techniques.

Access doors that use multifactor authentication (MFA) need several login credentials to gain admission. Access will be refused to an invader even if they manage to steal one credential. A typical MFA configuration consists of a keypad entry and retinal scan or a smart card and fingerprint scan. Server rooms and file storage facilities are examples of sensitive sites where this technique improves security.

Guards for Human Security: A key factor in stopping tailgating assaults is having security guards with the necessary training. Before granting admission, guards should interrogate anyone without an ID badge and seek confirmation. Additionally, while management decides what to do, they must have the authority to hold unauthorized people in a safe location. Humans form the first line of defense, and it can be made stronger by proactive monitoring and high security awareness.

Conclusion

A major security risk that takes advantage of human nature to get beyond physical access constraints is a tailgating assault. Theft, data breaches, and even workplace violence may result from it. To stop unwanted entrance, organizations need to put a high priority on rigorous access control procedures, staff education, and cutting-edge security solutions. Enforcing visitor control regulations, employing biometric identification, and confirming credentials are all easy ways to drastically lower hazards.

Keeping a place safe requires being on the lookout for social engineering techniques. Avoid allowing security flaws to endanger your company. SafeAeon offers cutting-edge security solutions that will keep your company safe and ahead of any attacks.