Kaspersky Total Security
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Safe Money, two-way firewall, award-winning parental control, & advanced identity theft protection Real-time Protection against Mac & PC malware, Safemoney technology, and parental control
Privacy protection including webcam protection, security notifications on Wi-Fi networks, & additional tools to protect personal information

Mcafee Total Protection
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Protect against viruses and malware Secure your Macs
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Free Anti-Virus Software Paid Anti-Virus Software
Malwarebytes Anti-Malware Mcafee Total Protection
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Comodo Cleaning Essential 6 Kaspersky Total Security
Norton Power Eraser AVG Anti-Virus Programs

Trojan Horse Program: A Trojan horse, or Trojan, in computing is a generally non-self-replicating type of malware program containing malicious code that, when executed, carries out actions determined by the nature of the Trojan, typically causing loss or theft of data, and possible system harm.
Malicious Email Attachment: A malicious email is any piece of email that was sent with the intention of disrupting your computer or network. The computer user installs the virus or trojan by clicking on an HTML link. It is called malicious because it becomes aggressive once it is installed.
Drive-by download: A drive-by download refers to the unintentional download of a virus or malicious software (malware) onto your computer or mobile device. A drive-by download will usually take advantage of (or “exploit”) a browser, app, or operating system that is out of date and has a security flaw.
A full back up creates a backup of all the documents that you wanted to store while a differential back up only saves files or info that have changed since the last full back up. An incremental back up makes copies of all files that have been changed since the last back up of any kind (full or differential. A full back up takes the longest time to complete and incremental is the quickest. Back Ups should be stored off site in the even that something happens to the local on-site area such as fire, war, terrorism etc. It should be placed out of the building where it was created in somewhere that is safe like a safe deposit box or even in another state. It should be checked periodically to make sure that it still works properly because technology changes all the time. It should also be checked because the incorrect data could have been backed up.