What can a computer Trojan do?

What can a computer Trojan do?

A Trojan horse, or Trojan, is a type of malicious code or software that looks legitimate but can take control of your computer. A Trojan is designed to damage, disrupt, steal, or in general inflict some other harmful action on your data or network. Once installed, a Trojan can perform the action it was designed for.

What types of attacks can be mounted from inside of a network?

Common Types of Network Attacks

  • Eavesdropping.
  • Data Modification.
  • Identity Spoofing (IP Address Spoofing)
  • Password-Based Attacks.
  • Denial-of-Service Attack.
  • Man-in-the-Middle Attack.
  • Compromised-Key Attack.
  • Sniffer Attack.

How much damage can a Trojan do?

A virus or a Trojan may delete critical system elements, thus disabling the OS, overload the network with a DDoS attack, or otherwise negatively affect the system’s operability. Fatal problems are often caused by a bug in the virus’ code or principle of operation.

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What is a Trojan Horse attack?

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 social engineering to hide malicious code within legitimate software to try and gain users’ system access with their software.

How do Trojans infect your computer?

Trojan viruses work by taking advantage of a lack of security knowledge by the user and security measures on a computer, such as an antivirus and antimalware software program. A Trojan typically appears as a piece of malware attached to an email. The file, program, or application appears to come from a trusted source.

What are the most common cyber security risks?

15 Common Cybersecurity Risks

  1. 1 – Malware. We’ll start with the most prolific and common form of security threat: malware.
  2. 2 – Password Theft.
  3. 3 – Traffic Interception.
  4. 4 – Phishing Attacks.
  5. 5 – DDoS.
  6. 6 – Cross Site Attack.
  7. 7 – Zero-Day Exploits.
  8. 8 – SQL Injection.
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Can attacks originate within a trusted network?

More often than not, attacks originate from within a network. Malicious attacks regularly occur, but most attacks originate from within the network by authorized users. This may take the form of a disgruntled employee, an abusive administrator, or a user trying to gain access to privileged information.

What is the most damaging computer virus?

1. Mydoom – $38 billion. The worst computer virus outbreak in history, Mydoom caused estimated damage of $38 billion in 2004, but its inflation-adjusted cost is actually $52.2 billion. Also known as Novarg, this malware is technically a “worm,” spread by mass emailing.

How can you tell if you have a Trojan virus?

If you notice any new programs running on your system that you did not install, it could be a trojan. Try removing the program and restarting your computer to see if your computer’s performance improves.

What can a hacker do with your IP address?

However, if a hacker knows your IP address, they can use it to seize very valuable information, including your location and online identity. Using this information as a starting point, they could potentially hack your device, steal your identity, and more.

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What happens when a Hacker knows your email address?

“When a hacker knows your email address, they have half of your confidential information—all they need now is the password,” warns Greg Kelley of Vestige Digital Investigations. They employ a few different methods to access it, the most common being the phishing email.

What can a hacker do with your personal information?

Your accounts are their accounts, and they have access to anything on them that you do. These things hackers can do with your information seem to be something of a chain reaction. Once a hacker has access to your online accounts, just think about all of the information that can then be right at their fingertips.

What happens when a computer is hacked?

While your computer is connected to the Internet, the malware a hacker has installed on your PC quietly transmits your personal and financial information without your knowledge or consent. Or, a computer predator may pounce on the private information you unwittingly revealed. In either case, they will be able to: