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  2. What you need to know about QR code scams and how to ... - AOL

    www.aol.com/know-qr-code-scams-stay-204500807.html

    When scammers use QR codes and other image files as vehicles for malware and malicious content, automatic downloads can wreak havoc before users even realize it.

  3. Phishing - Wikipedia

    en.wikipedia.org/wiki/Phishing

    Clone phishing is a type of attack where a legitimate email with an attachment or link is copied and modified to contain malicious content. The modified email is then sent from a fake address made to look like it's from the original sender. The attack may appear to be a resend or update of the original email.

  4. Timeline of computer viruses and worms - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_computer...

    CrySyS stated in their report that "sKyWIper is certainly the most sophisticated malware we encountered during our practice; arguably, it is the most complex malware ever found". August 16: Shamoon is a computer virus designed to target computers running Microsoft Windows in the energy sector. Symantec, Kaspersky Lab, and Seculert announced its ...

  5. Computer crime countermeasures - Wikipedia

    en.wikipedia.org/wiki/Computer_crime_countermeasures

    Computer crime countermeasures. Cyber crime, or computer crime, refers to any crime that involves a computer and a network. [1] The computer may have been used in the commission of a crime, or it may be the target. Netcrime refers, more precisely, to criminal exploitation of the Internet. [2] Issues surrounding this type of crime have become ...

  6. Malware - Wikipedia

    en.wikipedia.org/wiki/Malware

    An example of this is a portable execution infection, a technique, usually used to spread malware, that inserts extra data or executable code into PE files. A computer virus is software that embeds itself in some other executable software (including the operating system itself) on the target system without the user's knowledge and consent and ...

  7. Malware analysis - Wikipedia

    en.wikipedia.org/wiki/Malware_Analysis

    Malware analysis. Malware analysis is the study or process of determining the functionality, origin and potential impact of a given malware sample such as a virus, worm, trojan horse, rootkit, or backdoor. [1] Malware or malicious software is any computer software intended to harm the host operating system or to steal sensitive data from users ...

  8. Ryuk (ransomware) - Wikipedia

    en.wikipedia.org/wiki/Ryuk_(ransomware)

    Ryuk (ransomware) Ryuk is a type of ransomware known for targeting large, public-entity Microsoft Windows cybersystems. It typically encrypts data on an infected system, rendering the data inaccessible until a ransom is paid in untraceable bitcoin. [ 1] Ryuk is believed to be used by two or more criminal groups, most likely Russian or Ukrainian ...

  9. Dropper (malware) - Wikipedia

    en.wikipedia.org/wiki/Dropper_(malware)

    A dropper [1] [2] is a Trojan horse that has been designed to install malware (such as viruses and backdoors) onto a computer. The malware within the dropper can be packaged to evade detection by antivirus software. Alternatively, the dropper may download malware to the target computer once activated. Droppers can be categorized into two types ...

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