Computer Virus Attacks, Information, News, Security, Detection and Removal | McAfee
Denial of service, SQL injections, cross-site scripting, and password attacks are . The secure connection features allows you to encrypt your data, and has antivirus software with a host of performance enhancing features. McAfee, LLC is an American global computer security software company headquartered in . The acquisition allowed McAfee to extend its services beyond traditional endpoint security and move into the mobile security market. . turned off the antivirus protection and, in many cases, prevented connection to the Internet. 4 days ago I have the Mcafee antivirus that comes with bell. I dont understand ijust went on to the computer and i realized after wanting to do simple stuff.
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A single computer in a botnet can automatically send thousands of spam messages per day. The most common spam messages come from zombie computers. Browser hijacker A type of malware that alters your computer's browser settings so that you are redirected to websites that you had no intention of visiting. Most browser hijackers alter browser home pages, search pages, search results, error message pages, or other browser content with unexpected or unwanted content. Brute-force attack A hacking method used to find passwords or encryption keys by trying every possible combination of characters until the correct one is found.
Bug An unintentional fault, error, failure, or mistake in a software program that can produce an incorrect or unexpected result or cause a program to behave in unintended ways. Back to Top Cache Pronounced like "cash," a cache stores recently used information in a place where it can be accessed extremely fast. Computers have a disk cache; this stores information that the user has recently read from the hard disk.
Web browsers also use a cache to store the pages, images, and URLs of recently visited websites on the user's hard drive. When users visit web pages that they have been to recently, the pages and images don't have to be downloaded again. Caller ID spoofing This is the practice of causing the telephone network to display a false number on the recipient's caller ID.
A number of companies provide tools that facilitate caller ID spoofing. These tools are typically used to populate the caller ID with a specific bank or credit union, or just with the words "Bank" or "Credit Union. The thief will use the card information on a website that has real-time transaction processing.
If the transaction is processed successfully then the thief knows the card is still good.
SERVICE HOST using up so much memory and topping off usage! Plz - Microsoft Community
The purchase is usually for a small amount to avoid using the card's limit and to avoid attracting the attention of the card owner. Cellular network A radio network that is distributed over land areas called cells. Each cell is associated with a radio transceiver, when the cells are joined together they can provide radio coverage over a wide geographic area allowing mobile phones to communicate with each other.
Child identity theft When a thief steals the identities of children to use for fraudulent financial transactions. It can take years before the theft is discovered, often the victims discover this when they engage in their first financial transactions. The dangers associated with child identity theft include damaged credit and income tax liability. Cloud computing Cloud computing refers to applications and services that are offered over the Internet.
These services are offered from data centers around the world that collectively are referred to as the "cloud. Cookie Small amounts of data generated by a website and saved by your web browser.
Each time users revisit the site, they may only need to enter their password or may not need to login at all. Cookies can be used to gather more information about a user than would be possible without them. Crimeware Malicious software such as viruses, Trojan horses, spyware, and other programs used to commit crimes on the Internet including identity theft and fraud.
Criminal identity theft When a criminal fraudulently identifies himself to police as another individual at the point of arrest. In some cases criminals have previously obtained state-issued identity documents using credentials stolen from others, or have simply presented fake identification.
SERVICE HOST using up so much memory and topping off usage! Plz help.
Cyberbullying Bullying that takes place in cyberspace. This includes the Internet and mobile phone communication. It may involve harassing, threatening, embarrassing, or humiliating someone online. Cybercrime A criminal activity done using computers and the Internet.
This can take many shapes and forms, such as downloading illegal music files to stealing money from online bank accounts. Cybercrime can also include nonmonetary offenses, such as creating and distributing viruses. One of the most prominent cybercrime offenses is when cybercriminals use the Internet to steal personal information from others and commit identity theft.
Cybercriminals Cybercriminals are hackers, crackers, and other malicious users who use the Internet to commit crimes such as identity theft, PC hijacking, illegal spamming, phishing and pharming, and other types of fraud.
Cybergangs Cybergangs are groups of hackers, crackers, and other cybercriminals that pool their resources to commit crimes on the Internet. Organized crime is often involved in cybergang activity. Cybersquatting Registering, trafficking in, or using a domain name with malicious intent to profit from the goodwill of a trademark or brand name belonging to someone else. The cybersquatter then offers to sell the domain to the person or company who owns a trademark contained within the name at an inflated price.
Cybersquatters also sometimes register variations of popular trademarked names as a way of distributing their malware. Back to Top DAT files Also known as a data file, these files are used to update software programs, sent to users via the Internet.
DAT files contain up-to-date virus signatures and other information antivirus products use to protect your computer against virus attacks. DAT files are also known as detection definition files and signatures. Data A broad term to describe information that has been translated into a form that is more convenient to move or process.
Data can be in the form of text documents, images, audio files, software programs, and many more forms.
Data can be processed on a computer or a mobile device, such as a mobile phone or tablet. Defacement A change made to the home page or other key pages of a website by an unauthorized individual or process, usually unknown to the website owner.
Default password The password on a system when it is first delivered or installed. Denial of service DoS An attack specifically designed to prevent a system from functioning properly as well as denying access to the system by authorized users. Hackers can cause denial-of-service attacks by destroying or modifying data or by overloading the system's servers until service to authorized users is delayed or prevented.
Dialers Dialers include software programs that redirect Internet connections to a party other than the user's default ISP and are designed to run up additional connection charges for a content provider, vendor, or other third party. Dictionary attack Method of breaking into a password-protected computer, mobile device, or online account by entering every word in a dictionary as a password.
Traffic-generating programs are called agents, and the controlling program is the master. DoS agents receive instruction from a master to carry out an attack, which is designed to disable or shut down the targeted URL.
Domain name This is a name that identifies a website; for example, mcafee.
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Each domain name is associated with an IP address. Domain names are used in URLs to identify particular web pages. Downloading This is the process in which data is sent to your computer. Whenever you receive information from the Internet, you are downloading it to your computer.
For example, you may have to download an update for your web browser. The opposite of this process, is sending information to another computer is called uploading. Drive-by download A program that is automatically downloaded to your computer without your consent or even your knowledge. It can install malware or potentially unwanted programs merely by your viewing an email or website.
Dropper This is an executable file, created specifically to introduce a virus, worm, or Trojan on a computer system. Dumpster diving The practice of sifting through commercial or residential trash in the hopes of finding information to steal or commit fraud. Back to Top Encryption Encryption is a security method of coding or scrambling data so that it can be decoded or read only by authorized users. This is commonly used to secure websites, online purchases, and other transactions. These types of files have the potential to be dangerous since they run code when opened, and are often used by cybercriminals to distribute viruses, malware, and spyware.
Exploit A piece of software that takes advantage of a bug, glitch, or design flaw in software in order to cause unintended or unanticipated behavior on computer software. This can include gaining control of a computer system, changing access privileges, or denying access or resources to users.
Back to Top False negative An error that occurs when antivirus software fails to detect that an infected file is truly infected. False negatives are more serious than false positives, although both are undesirable. False negatives are more common with antivirus software because they may miss a new or a heavily modified virus. False positive An error that occurs when antivirus software wrongly claims that a virus is infecting a clean file. False positives usually occur when the string chosen for a given virus signature is also present in another program.
Firewall A piece of hardware or software that is designed to block unauthorized access while permitting authorized communications. It is configured to permit or deny network transmissions based upon a set of rules. They are designed to protect the network's resources from users on other networks.
Back to Top Geolocation Term used to describe the capability to detect and record where you and other people are located. Geotagging Process of adding geographical identification data to various types of media, such as a photograph or video taken with your camera or mobile device. This data usually consists of latitude and longitude coordinates, and they can also contain altitude, bearing, distance, and place names.
Global positioning system GPS software Software that is based on a satellite navigation system that provides location and time information anywhere on the Earth where there is a clear line of sight from the device that the software is being used on to four or more GPS satellites.
New mobile phones have this software and can calculate the position of the device by using signals received from multiple GPS satellites. Mobile phone users can use the software to see where they are located on a map, route them to a desired location, and show them different routes to reach their destination. Gray hat hackers Skilled hackers who sometimes act legally, sometimes in good will and sometimes not.
They are a hybrid between white and black hat hackers. They usually do not hack for personal gain or have malicious intentions, but may or may not occasionally commit crimes during the course of their technological exploits.
Back to Top Hacker A broad term for a person who uses programming skills and technical knowledge to create and modify computer software and hardware by finding weaknesses and exploiting them, including computer programming, administration, and security-related items. Hackers can be motivated by a number of reasons both positive and negative, such as profit, protest, or challenge.
Criminal hackers create malware in order to commit crimes. In the early days of computing, hacker was a term used to describe a programmer who had a curiosity and appreciation of programs and systems and how they worked. Over time, however, the term gained a negative connotation and began to refer to someone who uses the knowledge to break into other people's systems to steal information and cause havoc.
We also call programmers who use their skills for harm "crackers.