Malvertising is a type of cyber attack in which an hacker use the online advertising to spread the malware. The attack can infect a system pre-click or post-click. A pre-click malvertisement can be embedded in the main scripts of the page. It can even initiate drive-by-download on visiting the malvertising -laden website. In post-click malvertisement, the attack infects a system when a user clicks on the ads to see the advertisement and is redirected to the malicious website which downloads the malware in the victim system and degrades the performance of the system. The attack is generally executed by hiding malicious code within relatively safe online advertisements.
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