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What is a Trojan?

Written by  Feb 17, 2020

As the name suggests, Backdoor Trojans are designed to grant an external user full control over a system by creating a breach in a system - known as a 'backdoor'.

This can then be exploited to repeatedly gain access to the system to steal or spy on its contents. The longer this door is open, the more damage a hacker can do.

Download Trojans get their name from being able to download other malware types once it has worked its way onto a system. Although a range of malicious tools can be installed, these Trojans often turn to keyloggers and cryptocurrency miners to secretly harvest data, often ending the attack with a ransomware infection.

Banking Trojans are so-called for their penchant for financial gain, typically lying in wait on a system until a user attempts to access their online banking service. The Trojan triggers by sending the user instead to a fake website, designed to mimic a legitimate bank, where it attempts to trick the user into entering their details.

Banking Trojans have been highly successful in the past, with notable examples such as Zeus, Dridex and Kronos. With today's heightened security and proactive attempts to clamp down on this style of attack, banking Trojans aren't as prevalent as they once were.

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While Trojans can cause significant damage if loaded on someone's system, there are ways to prevent malware from causing problems.

Simple steps such as avoiding unsafe websites and keeping accounts safe with secure passwords and firewalls can help prevent malware attacks. Updating a device's operating system as soon as possible will also help prevent Trojans from causing damage as malware tends to exploit the problems in outdated software.

However, perhaps the most effective way of preventing this kind of malware attack is by installing anti-malware software on devices and by running diagnostic scans with this software periodically.

If you are new to the Cryptocurrency world and would like to open an account we recommend Cex.io.

Do you find this article useful? Comment below or follow us on Facebook or Twitter.

Paul Saunders

Crypto tech journalist, Paul specialises in Crypto news having worked and traded in the field for over 5 years and has previous Blockchain admin roles to his credit. His knowledge and experience in Crypto tech is very important to us and his contribution is invaluable.

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