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  2. What is a Trojan? Is It Virus or Malware? How It Works | Norton

    us.norton.com/blog/malware/what-is-a-trojan

    A Trojan (often referred to as a Trojan virus) is a type of malware that hides within a legitimate file or program to gain access to your device. Because Trojan malware is delivered inside a legitimate app or file, it’s very difficult to detect.

  3. What is a remote access Trojan? A cybersecurity guide - Norton

    us.norton.com/blog/malware/remote-access-trojan

    A remote access Trojan (RAT) is a type of Trojan cyberattack that gives a hacker remote access to your device. Disguised as a harmless file or application, a RAT opens a backdoor to your device via a network, putting your data, security, and identity at risk.

  4. What is a heuristic virus and how do I remove it? - Norton™

    us.norton.com/blog/malware/heuristic-virus

    Heuristic virus is a nickname given to the malware Heur.Invader, a virus that can disable antivirus software, modify security settings, and install additional malicious software onto your computer. Some examples of heuristic viruses include adware and Trojans.

  5. What is antivirus? Definition, types, and benefits - Norton

    us.norton.com/blog/malware/what-is-antivirus

    Malware is an umbrella term that describes any kind of malicious software created to cause damage, gain unauthorized access, or otherwise disrupt computer systems. A virus is a type of malware, along with Trojans, worms, spyware, adware, ransomware, and other disruptive software.

  6. What is a computer worm, and how does it work? - Norton™

    us.norton.com/blog/malware/what-is-a-computer-worm

    A computer worm is a type of malware that spreads copies of itself from computer to computer. It can replicate itself without any human interaction and does not need to attach itself to a software program in order to cause damage. Worms can be transmitted via software vulnerabilities.

  7. Computer viruses: How they spread and tips to avoid them -...

    us.norton.com/blog/malware/what-is-a-computer-virus

    Is a trojan a virus? A trojan is a type of malware that disguises itself as legitimate software to deceive users. While trojans share similarities with viruses, they do not self-replicate.

  8. What is a keylogger? A total protection guide - Norton™

    us.norton.com/blog/malware/what-is-a-keylogger

    Keylogger definition. A keylogger (or keystroke logger) is a type of spyware that monitors and records what you type on your computer or mobile phone. Keylogging software or hardware can be used to monitor activity for legal or illegal purposes.

  9. 10 types of malware + how to prevent malware from the start

    us.norton.com/blog/malware/types-of-malware

    Also known as a Trojan horse or Trojan horse virus, Trojan malware is often spread via email attachments, website downloads, or direct messages. Similar to viruses, they too require user action to be deployed.

  10. Trojans are a type of malware disguised as legitimate software. Just like the Trojan horse from Greek mythology, a Trojan tricks you into letting it in (or, more specifically, onto your device), by acting like a benign software update or file. Then it damages, disrupts, or steals your data.

  11. Malware: what it is, how it works, and how to stop it - Norton

    us.norton.com/blog/emerging-threats/malware

    Trojan: A Trojan imitates legitimate applications or programs to get you to download and unknowingly install malware. Logic bomb: A logic bomb is a type of malware that waits inside a system until you meet certain conditions or perform specific actions.