Last Updated: September 13, 2026
With cars becoming more and more technology-dependent it’s no surprise that automotive cybersecurity is a thing.
Hackers are becoming more and more active in exploiting new vulnerabilities that exist in cars’ infotainment systems and onboard computers.
The automotive industry is a tempting target for cybercriminals hoping to access valuable data about the car, its driver, or even steal their identity.
As vehicles become connected to smartphones, cloud services, navigation platforms, wireless networks, and other digital systems, cybersecurity has become an important part of modern vehicle ownership. Understanding basic security practices can help drivers recognize potential risks and take sensible precautions. For readers who are new to the subject, this basic guide on cyber security for beginners provides useful background on common cybersecurity concepts and threats.
This article belongs to Cybersecurity
Table of Contents
Here are 6 things you should know about automotive cybersecurity.
1. The automotive industry is a tempting target for cybercriminals
The automotive industry is a tempting target for cybercriminals. Hackers can do anything from stealing your identity to causing accidents by remotely controlling a car’s functions. With cars becoming more and more computerized, the vulnerability of automotive cybersecurity continues to grow.
Modern vehicles can contain numerous connected components, including wireless communication systems, navigation systems, smartphone integrations, diagnostic systems, and internet-connected services. Each connected component can potentially create another point that needs to be protected. Manufacturers therefore have to consider security throughout the entire vehicle rather than focusing on a single computer or application.
The growing use of connected vehicles also means that cybersecurity is no longer only an issue for software engineers or vehicle manufacturers. Drivers should also understand the basic risks associated with connecting personal devices to their cars. Keeping software updated, using trusted applications, and paying attention to unusual vehicle behavior are simple steps that can contribute to better security.
Cybersecurity can involve many different layers, from protecting a device and network to securing information and controlling access. Understanding the broader advantages and disadvantages of cybersecurity can help explain why organizations invest in security controls while also dealing with challenges such as complexity, cost, maintenance, and changing threats.
Another important consideration is that vehicle security can involve both physical and digital access. A person who gains unauthorized access to a connected system may attempt to obtain information or interfere with services. For this reason, automotive cybersecurity needs to be considered throughout the design, manufacturing, maintenance, and software-update lifecycle of a vehicle.
2. Automotive cybersecurity is not just about the car, it’s also about the data that goes into the car
Your social security and credit card numbers, as well as your email and bank account passwords, can be easily accessed by someone with malware if you’re not careful. Hackers don’t just come after the car itself but also the data that goes into it. This includes things like maps or traffic updates that are used by GPS systems.
Data security is especially important because modern vehicles may interact with information from several different sources. A driver may connect a smartphone, use a navigation application, synchronize contacts, access online services, or use an application that communicates with the vehicle. This creates a flow of information between different devices and services.
One useful security concept in these environments is encryption. Encryption helps protect information by transforming readable data into a form that unauthorized people should not be able to understand without the appropriate key. Understanding the role of encryption keys can therefore provide a better foundation for understanding how sensitive information can be protected during digital communication.
Drivers should also be careful about the information they allow a vehicle or connected application to store. Personal contacts, navigation history, account information, and other data may reveal details about a person’s activities. When selling, returning, or transferring a connected vehicle, users should review the manufacturer’s recommended process for removing personal accounts and stored information.
It is also important to understand that data protection does not end when information reaches the vehicle. Cloud services, mobile applications, servers, and third-party platforms may all be involved in delivering connected features. Each part of this chain needs appropriate security controls to reduce the possibility of unauthorized access.
3. Cybersecurity vulnerabilities are often found in cars’ infotainment systems and on-board computers
One of the most common areas where automotive cybersecurity vulnerabilities are found is within a car’s infotainment system. Hackers can access these types of systems to steal personal data or cause accidents by remotely controlling vehicle functions. Additionally, Bluetooth connectivity connections are frequently exploited.
Infotainment systems have become much more advanced than the basic radios found in older vehicles. Many now provide navigation, music streaming, hands-free calling, smartphone integration, voice commands, internet-based services, and other digital features. While these functions make driving more convenient, they also increase the number of technologies that need to be secured.
Software is another important part of the security equation. Vehicle manufacturers and suppliers may release updates to fix bugs, improve performance, or address security weaknesses. Installing legitimate updates from trusted sources can help keep connected systems better protected.
Drivers should avoid installing unknown applications or connecting unauthorized devices simply because they offer additional functionality. An application that appears harmless could potentially contain malicious code or request unnecessary permissions. The same principle applies to software used by vehicle service providers and other connected systems.
Digital certificates can also play an important role in establishing trust between software, devices, and services. Secure software distribution and authentication can help prevent unauthorized or modified software from being accepted by a system. Understanding code signing certificates can provide additional context on how software publishers can establish trust and verify the origin and integrity of software.
Bluetooth and other wireless technologies should also be used carefully. If a vehicle allows devices to connect automatically, users should review connected-device settings periodically and remove devices that are no longer needed. This is particularly important when a vehicle is shared by multiple people or changes ownership.
4. Hackers can do anything from stealing your identity to causing accidents
Hackers can do just about anything with the right tools and software, including taking over a car’s functions by controlling its onboard computer systems. This includes theft of personal data, hacking into your vehicle’s system to steal information, or even remotely controlling the steering and brakes to cause accidents.
The potential consequences of a compromised vehicle system make security particularly important. However, the exact risks depend on the vehicle architecture, software configuration, connected services, and security controls implemented by the manufacturer. Not every connected vehicle is equally vulnerable, and security researchers and manufacturers continuously work to identify and address weaknesses.
Vehicle owners can reduce some common risks by following basic digital security practices. Strong passwords should be used for accounts associated with connected services, and passwords should not be reused across multiple services. Where available, multi-factor authentication can provide another layer of protection for online accounts.
Drivers should also be cautious when receiving unexpected messages, links, or requests related to vehicle services. Cybercriminals may attempt to use social engineering to convince users to reveal login information or install malicious software. Learning how common online attacks work can make it easier to recognize suspicious activity before it becomes a larger problem.
Security awareness is not limited to individual vehicle owners. Automotive companies, software developers, dealerships, repair organizations, and technology suppliers all have roles to play in protecting connected vehicles. Employees working in automotive technology can benefit from structured cyber security training so they understand security principles and recognize potential threats during development and maintenance.
A strong security culture can help organizations identify weaknesses earlier and respond to incidents more effectively. Regular testing, software updates, access controls, monitoring, and employee education can all contribute to a more comprehensive security strategy.
5. There are ways you can protect your vehicles against hackers – such as by installing anti-virus software or using a firewall
There are several things people can do to ensure their car’s security, including installing anti-virus software or using a firewall. This helps ensure that only approved devices can stream data to your infotainment system.
Vehicle security should begin with basic precautions. Drivers should keep vehicle software and connected applications updated whenever legitimate updates are available. They should also use official application stores and trusted sources when downloading software for smartphones or other devices that connect to the vehicle.
A secure home network can also be important for vehicles and smart devices that connect to the internet. Users should protect their wireless networks with strong passwords and avoid sharing network credentials unnecessarily. When using public Wi-Fi or unfamiliar networks, extra caution should be taken before accessing sensitive accounts.
A virtual private network can provide another layer of privacy in certain internet-use situations by helping protect network traffic between a device and a VPN service. Readers who want to understand the concept can explore how a VPN works and when this technology may be useful.
However, a VPN should not be considered a complete solution for automotive cybersecurity. Vehicle manufacturers, software providers, network operators, and users all have different security responsibilities. A layered approach is generally more useful than relying on a single security product.
Users should also review the permissions granted to mobile applications connected to their vehicles. If an application requests access that does not appear necessary for its purpose, it is worth reviewing whether that permission should be allowed. Removing unused applications and disconnecting old devices can further reduce unnecessary exposure.
Regular maintenance is equally important. If a vehicle manufacturer provides security notices or software updates, owners should follow the recommended process. When a vehicle is serviced, owners can also ask whether important software or firmware updates are available.
6. Downloading an app with malware could lead to some serious issues with your vehicle system
Downloading an app with malware could potentially have catastrophic results, possibly putting you in danger by downloading malicious software that compromises both the car and the personal information stored on it.
Malware can take many forms, and not every malicious application behaves in the same way. Some malicious programs attempt to steal credentials, while others may collect personal information, display unwanted content, or provide unauthorized access to a device. If a compromised smartphone is connected to a vehicle, the risk may extend beyond the phone itself.
For this reason, applications should be downloaded from reputable sources and checked carefully before installation. Users should pay attention to the application developer, permissions, reviews, update history, and other available information. An application requesting extensive access to personal information should receive additional scrutiny.
It is also important to avoid clicking suspicious links received through text messages, email, social media, or unknown websites. Attackers may use fake software updates or security alerts to persuade users to install malicious programs. When an update is required, users should preferably obtain it through the vehicle manufacturer’s official system or trusted application.
If a connected smartphone becomes infected with malware, users should disconnect it from the vehicle where appropriate and investigate the device using trusted security tools. Passwords for important accounts should also be changed if there is a possibility that login credentials were exposed.
Vehicle owners should remember that cybersecurity is an ongoing process. New vulnerabilities can be discovered as technology changes, so security practices that were sufficient several years ago may not be enough today. Staying informed and following manufacturer guidance can help reduce unnecessary risks.
Conclusion
The automotive industry is a tempting target for cybercriminals. Hackers can do anything from stealing your identity to causing accidents by remotely controlling a car’s functions. With cars becoming more and more computerized, the vulnerability of automotive cybersecurity continues to grow.
To protect yourself make sure you install anti-virus software or use a firewall on your infotainment system. Also, only download apps from trusted sources. Additionally, with cars becoming more and more computerized it is important to be aware that cybersecurity vulnerabilities are often found in vehicles’ infotainment systems and onboard computers.
What are your thoughts on automotive cybersecurity? Share them with us in the comments.
Automotive cybersecurity will continue to become more important as vehicles gain additional connected features and depend on increasingly sophisticated software. Drivers can contribute to better security by keeping systems updated, using trusted applications, protecting their online accounts, and being careful about which devices they connect to their vehicles.
For manufacturers and technology providers, security needs to be considered throughout the entire vehicle lifecycle. Secure software development, authentication, encryption, vulnerability testing, monitoring, employee training, and timely updates can all help reduce cybersecurity risks.
The most important point is that automotive cybersecurity is not a single feature that can simply be switched on or off. It is a combination of technologies, processes, and responsible user behavior. As connected vehicles become more common, understanding these fundamentals can help drivers make safer decisions about the technology they use every day.