Trojan horse in cyber security

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By • TechTarget • What is a Trojan horse? In computing, a Trojan horse is a program downloaded and installed on a computer that Typically, the Trojan horse is hidden in an innocent-looking email attachment or free download. When the user clicks on the email attachment or downloads the free program, the How a Trojan horse works Before a Trojan horse can infect a machine, the user must download the server side of the malicious application. The Trojan horse cannot manifest by itself. The executable file (.exe file) must be implemented and the program must be installed in order for the attack to be unleashed on the system. However, the most popular tactic for spreading Trojan horses is through seemingly unthreatening emails and email attachments. Trojan horse developers frequently use It is also possible for an infected computer to continue spreading the Trojan horse to other computers, creating a Laptop and desktop computer users are not the only ones who are at risk of a Trojan horse infection. Trojans can also attack mobile devices, such as smartphones and tablets with Here is one example of how a Trojan horse might be used to infect a personal computer: The victim receives an official-looking email with an attachment. The attachment contains malicious code that is executed as soon as the victim clicks on the attachment. Because nothing bad happens and the computer continues to work as expected, the victim does not suspect that the attachment is actually a Trojan horse, and...

A Trojan horse is a software package containing malicious code that appears legitimate, similar to the ancient Greek myth of the deceptive trojan horse in the Odyssey that caused severe damage despite having a harmless exterior. This article explains the meaning of Trojan horse cyber threats, their various examples, real-world attacks, and best practices to protect against Trojan-driven cybercrime. Table of Contents • • • • A Trojan horse (or simply known as Trojan) is defined as a software package containing malicious code that appears to be legitimate, similar to the ancient Greek myth of the Odyssey that caused severe damage to Troy despite having a harmless exterior. Trojans are malicious code or software that infiltrate a computer while impersonating a genuine program and eventually take over the system without the user or IT administrator noticing. Technically, Trojans are not viruses – instead, they are a sort of malware. Although this is incorrect, the terms Trojan malware and Trojan virus are frequently used interchangeably. Viruses can execute and replicate themselves. A Trojan, however, cannot and must be executed by the user. One can find the original narrative of the Trojan horse in Virgil’s Aeneid and Homer’s Odyssey. In the story, the invaders of the city of Troy were able to enter the city gates by using a horse disguised as a gift. The warriors hid inside the massive wooden horse, then climbed out and allowed the other soldiers in once they were inside the...

Exploring the Path to Single-Vendor SASE: Insights from Fortinet Featuring Gartner® Gain valuable insights from two industry leaders, John Maddison (CMO & EVP Products, Fortinet) and featuring Jonathan Forest (Sr. Director Analyst, Gartner), on Tue, June 27th at 10 AM PT/1 PM ET. • Enterprise Networking A Trojan Horse Virus is a type of malware that downloads onto a computer disguised as a legitimate program. The delivery method typically sees an attacker use A simple way to answer the question " Indications of a Trojan being active on a device include unusual activity such as computer settings being changed unexpectedly. The original story of the Trojan horse can be found in the Aeneid by Virgil and the Odyssey by Homer. In the story, the enemies of the city of Troy were able to get inside the city gates using a horse they pretended was a gift. The soldiers hid inside the huge wooden horse and once inside, they climbed out and let the other soldiers in. There are a few elements of the story that make the term “Trojan horse” an appropriate name for these • The Trojan horse was a unique solution to the target’s defenses. In the original story, the attackers had laid siege to the city for 10 years and hadn’t succeeded in defeating it. The Trojan horse gave them the access they had been wanting for a decade. A Trojan virus, similarly, can be a good way to get behind an otherwise tight set of defenses. • The Trojan horse appeared to be a legitimate gift. In a similar vein, a T...

What is a Trojan Horse? (Trojan Malware) A Trojan Horse (Trojan) is a type of Trojan: Virus or Malware? A Trojan is sometimes called a Trojan virus or Trojan horse virus, but those terms are technically incorrect. Unlike a Trojans are malware, and like most forms of malware, Trojans are designed to damage files, redirect internet traffic, monitor the user’s activity, steal sensitive data or set up backdoor access points to the system. Trojans may delete, block, modify, leak or copy data, which can then be sold back to the user for ransom or on the 2023 CrowdStrike Global Threat Report The 2023 Global Threat Report highlights some of the most prolific and advanced cyber threat actors around the world. These include nation-state, eCrime and hacktivist adversaries. Read about the most advanced and dangerous cybercriminals out there. 10 Types of Trojan Malware Trojans are a very common and versatile attack vehicle for cybercriminals. Here we explore 10 examples of Trojans and how they work: • Exploit Trojan: As the name implies, these Trojans identify and exploit vulnerabilities within software applications in order to gain access to the system. • Downloader Trojan: This type of malware typically targets infected devices and installs a new version of a malicious program onto the device. • Ransom Trojan: Like general • Backdoor Trojan: The attacker uses the malware to set up access points to the network. • Distributed Denial of Service (DDoS) attack Trojan: Backdoor Trojans can...

What is a RAT? In the late 1990s, when the internet was still young, it was common for tech-savvy kids to scare their friends by controlling their PCs remotely. They would eject the CD tray, swap the mouse buttons, or change the desktop colors. To the unwitting user, it looked like a ghost was taking over the machine. Those were the years that marked the birth of remote access Trojans (RATs), malicious software that allows an attacker to gain unauthorized access to a victim’s computer over the internet. RATs are typically installed without user consent and remain hidden to avoid detection. These things set them apart from a benign type of software with a somewhat similar name, Remote Access/Administration Tool. This category includes computer programs such as TeamViewer or LogMeIn that are legitimately used by system administrators, as well as teenagers trying to fix their grandparents’ PCs. It’s the malicious remote access software that interests security researchers Veronica Valeros and Sebastian García at the Czech Technical University in Prague. The two have spent the last few years trying to analyze the evolution of this type of Valeros said during a Virus Bulletin 2020 presentation that the number of RAT families grew rapidly in recent years. She counted more than 250 RATs that surfaced in the 2010s as opposed to just 70 in the 2000s. “The number of RATs really, really took off,” Valeros said. “While most of the previous ones were focusing on Windows, we saw some div...

Exploring the Path to Single-Vendor SASE: Insights from Fortinet Featuring Gartner® Gain valuable insights from two industry leaders, John Maddison (CMO & EVP Products, Fortinet) and featuring Jonathan Forest (Sr. Director Analyst, Gartner), on Tue, June 27th at 10 AM PT/1 PM ET. • Enterprise Networking A Trojan Horse Virus is a type of malware that downloads onto a computer disguised as a legitimate program. The delivery method typically sees an attacker use A simple way to answer the question " Indications of a Trojan being active on a device include unusual activity such as computer settings being changed unexpectedly. The original story of the Trojan horse can be found in the Aeneid by Virgil and the Odyssey by Homer. In the story, the enemies of the city of Troy were able to get inside the city gates using a horse they pretended was a gift. The soldiers hid inside the huge wooden horse and once inside, they climbed out and let the other soldiers in. There are a few elements of the story that make the term “Trojan horse” an appropriate name for these • The Trojan horse was a unique solution to the target’s defenses. In the original story, the attackers had laid siege to the city for 10 years and hadn’t succeeded in defeating it. The Trojan horse gave them the access they had been wanting for a decade. A Trojan virus, similarly, can be a good way to get behind an otherwise tight set of defenses. • The Trojan horse appeared to be a legitimate gift. In a similar vein, a T...

What is a Trojan Horse? (Trojan Malware) A Trojan Horse (Trojan) is a type of Trojan: Virus or Malware? A Trojan is sometimes called a Trojan virus or Trojan horse virus, but those terms are technically incorrect. Unlike a Trojans are malware, and like most forms of malware, Trojans are designed to damage files, redirect internet traffic, monitor the user’s activity, steal sensitive data or set up backdoor access points to the system. Trojans may delete, block, modify, leak or copy data, which can then be sold back to the user for ransom or on the 2023 CrowdStrike Global Threat Report The 2023 Global Threat Report highlights some of the most prolific and advanced cyber threat actors around the world. These include nation-state, eCrime and hacktivist adversaries. Read about the most advanced and dangerous cybercriminals out there. 10 Types of Trojan Malware Trojans are a very common and versatile attack vehicle for cybercriminals. Here we explore 10 examples of Trojans and how they work: • Exploit Trojan: As the name implies, these Trojans identify and exploit vulnerabilities within software applications in order to gain access to the system. • Downloader Trojan: This type of malware typically targets infected devices and installs a new version of a malicious program onto the device. • Ransom Trojan: Like general • Backdoor Trojan: The attacker uses the malware to set up access points to the network. • Distributed Denial of Service (DDoS) attack Trojan: Backdoor Trojans can...

What is a backdoor? Imagine you're a burglar casing a house for a potential robbery. You see a "Protected by…" security sign staked in the front lawn and Ring doorbell camera. Being the crafty cat burglar that you are, you hop the fence leading to the back of the house. You see there's a backdoor, cross your fingers, and try the knob—it's unlocked. To the casual observer, there are no external signs of a burglary. In fact, there's no reason you couldn't rob this house through the same backdoor again, assuming you don't ransack the place. Computer In the world of cybersecurity, a But backdoors aren't just for bad guys. Backdoors can also be installed by software or hardware makers as a deliberate means of gaining access to their technology after the fact. Backdoors of the non-criminal variety are useful for helping customers who are hopelessly locked out of their devices or for troubleshooting and resolving software issues. Unlike other cyberthreats that make themselves known to the user (looking at you As a threat, backdoors aren't going away anytime soon. According to the Malwarebytes Labs If you're concerned about backdoors, you heard about backdoors in the news and want to know what the deal is, or you have a backdoor on your computer and need to get rid of it right now, you're in the right place. Read on and get ready to learn everything you've ever wanted to know about backdoors. “A backdoor refers to any method by which authorized and unauthorized users are able to g...

Aegis Threat Protection Platform Disarm BEC, phishing, ransomware, supply chain threats and more. Sigma Information Protection Platform Defend your data from careless, compromised and malicious users. Identity Threat Defense Platform Prevent identity risks, detect lateral movement and remediate identity threats in real time. Intelligent Compliance Platform Reduce risk, control costs and improve data visibility to ensure compliance. Premium Services Leverage proactive expertise, operational continuity and deeper insights from our skilled experts. Combat Email and Cloud Threats Protect your people from email and cloud threats with an intelligent and holistic approach. Change User Behavior Help your employees identify, resist and report attacks before the damage is done. Combat Data Loss and Insider Risk Prevent data loss via negligent, compromised and malicious insiders by correlating content, behavior and threats. Modernize Compliance and Archiving Manage risk and data retention needs with a modern compliance and archiving solution. Protect Cloud Apps Keep your people and their cloud apps secure by eliminating threats, avoiding data loss and mitigating compliance risk. Prevent Loss from Ransomware Learn about this growing threat and stop attacks by securing today’s top ransomware vector: email. Secure Microsoft 365 Implement the very best security and compliance solution for your Microsoft 365 collaboration suite. Defend Your Remote Workforce with Cloud Edge Secure access t...