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You're reading from  CompTIA Security+: SY0-601 Certification Guide - Second Edition

Product typeBook
Published inDec 2020
PublisherPackt
ISBN-139781800564244
Edition2nd Edition
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Author (1)
Ian Neil
Ian Neil
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Ian Neil

Ian Neil is one of the world's top trainers of Security+. He is able to break down information into manageable chunks so that people with no background knowledge can gain the skills required to become certified. He has recently worked for the US Army in Europe and designed a Security+ course that catered to people from all backgrounds (not just IT professionals), with an extremely successful pass rate. He is an MCT, MCSE, A+, Network+, Security+, CASP, and RESILIA practitioner that has worked with high-end training providers over the past 23 years and was one of the first technical trainers to train Microsoft internal staff when they opened their Bucharest Office in 2006.
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Virus and Malware Attacks

In today's world, viruses and malware are everywhere. There are many different variants, and we will look at each of these in turn:

  • Virus: A virus is a program that embeds itself in another program and can be executed in many different ways—for example, by clicking on a link on a web page, or by opening up an email attachment. Once it has been activated, it self-replicates, going from host to host.
  • Polymorphic Virus: This virus mutates as it spreads so that it is difficult to detect. The hash value changes as it mutates and it may cause a program error if the file extension has changed, and the program is not on the computer.
  • Potentially Unwanted Programs (PUPs): These are programs that are downloaded with other programs and they tend to use resources and slow your computer down. Installing Malwarebytes would alert you to them being installed.
  • Fileless Virus: This virus runs in memory and is very hard to identify as it piggybacks...
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CompTIA Security+: SY0-601 Certification Guide - Second Edition
Published in: Dec 2020Publisher: PacktISBN-13: 9781800564244

Author (1)

author image
Ian Neil

Ian Neil is one of the world's top trainers of Security+. He is able to break down information into manageable chunks so that people with no background knowledge can gain the skills required to become certified. He has recently worked for the US Army in Europe and designed a Security+ course that catered to people from all backgrounds (not just IT professionals), with an extremely successful pass rate. He is an MCT, MCSE, A+, Network+, Security+, CASP, and RESILIA practitioner that has worked with high-end training providers over the past 23 years and was one of the first technical trainers to train Microsoft internal staff when they opened their Bucharest Office in 2006.
Read more about Ian Neil