![]() Backdoors are a way of breaking this secure conversation, manipulating the complex mathematics of a specific cryptographic protocol to give an outside user access to all of the encrypted data being shared between parties. Encryption standards like AES use end-to-end encryption so that only the parties that have exchanged a randomly generated cryptographic key are able to decrypt the information being shared. Cryptographic backdoors are essentially a “master key” that can unlock every piece of encrypted data that uses a specific encryption protocol. Hardware backdoors can be shipped with products (either by a rogue manufacturer or for some benign purpose), but they can also be physically installed in the event that a device is stolen. Hardware backdoors can communicate user data, provide remote access, or be used for surveillance. This can include phones, IoT devices like thermostats and home security systems, routers, and computers. Hardware backdoors are modified computer chips or other firmware/hardware that provide non-users access to a device. Rootkits can take the form of either software or even physically altered computer chips - you can read more about rootkits here. Rootkits can allow a hacker to remotely access your device, alter your files, observe your activity, and sabotage your system. Rootkits are advanced malware threats that are able to hide their activities from an operating system so that the operating system gives security privileges (root access) to the rootkit. Trojan backdoors can allow users to access your files and programs, or install more serious malware files on your device. Once you click on the “allow insert-program-here to make changes on your device?” button on your PC, the Trojan is then able to install itself on your device. Trojans are malware files that pretend to be legitimate files to gain access to your device. ![]() Here are a few examples of the different kinds of backdoors that are frequently used: So, once a malware file infects your device, or your device is physically compromised (stolen or broken into), or you become the target of an exploit attack, hackers can install a backdoor on your system. For the purposes of this article, all you need to know is that there are malicious websites and ads that scan your computer for software vulnerabilities and use exploits to do things like steal your data, crash your network, or install a backdoor on your device. If you want to know more, you can check out our blog post about zero-day exploits here. In order for cybercriminals to successfully install a backdoor on your device, they first need to gain access to your device, either through physical access, a malware attack, or by exploiting a system vulnerability - here are some of the more common vulnerabilities that hackers target:Įxploits are targeted attacks that take advantage of software vulnerabilities (usually in web-facing software like browsers, Adobe Flash, Java, etc.) in order to provide hackers access to your system. ![]() Malware files that hide their tracks so your operating system doesn’t know that another user is accessing your device.Ī backdoor can be installed by software and hardware developers for remote tech support purposes, but in most cases, backdoors are installed either by cybercriminals or intrusive governments to help them gain access to a device, a network, or a software application.Īny malware that provides hackers access to your device can be considered a backdoor - this includes rootkits, trojans, spyware, cryptojackers, keyloggers, worms, and even ransomware. Physical alterations that provide remote access to your device. In cybersecurity, a backdoor is anything that can allow an outside user into your device without your knowledge or permission. Backdoors can be installed in two different parts of your system: If you think you’ve been the victim of a backdoor attack, there’s a lot you can do to close the backdoors on your system, assess the damage that’s been done, and prevent another backdoor hack in the future. Nobody is immune to backdoor hacking, and hackers are constantly inventing new methods and malware files to gain access to user devices. Once hackers log into your machine without your knowledge, they can use backdoors for a variety of reasons, such as: Hackers can install a backdoor onto your device by using malware, by exploiting your software vulnerabilities, or even by directly installing a backdoor in your device’s hardware/firmware. to remotely access your device without your permission or knowledge.
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