Pieter Arntz
Malware Intelligence Researcher

Was a Microsoft MVP in consumer security for 12 years running. Can speak four languages. Smells of rich mahogany and leather-bound books.

March 13, 2017 - We explain what adware and ad fraud are and point out the differences by discussing the methods and the classification of the malware that is involved.

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March 7, 2017 - Just to show you that behind some PUPs there are threat actors that are too lazy to be bothered, we offer you a fake online scanner that was used to promote the infamous MacKeeper and a Windows system optimizer called Advance-System-Care.

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February 27, 2017 - We take a look at what DNSSEC is and why we need it. Plus an overview of how far the implementation has progressed in the Netherlands based on a SIDN report.

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February 17, 2017 - Bayesian spam filtering is based on Bayes rule, a statistical theorem that gives you the probability of an event. In Bayesian filtering it is used to give you the probability that a certain email is spam. The name Named after the statistician Rev. Thomas Bayes who provided an equation that basically allows new information to...

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February 8, 2017 - Spigot browser hijackers of this family are easy to recognize and in our opinion hardly worth installing because they add no more functionality then a few bookmarks. We hope this post helps you to avoid them in the future.

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