If you’re an internet user, you’ve almost certainly seen a pop-up ad congratulating you for winning a prize and enticing you to click on a link to claim it. In reality, there’s nothing to celebrate regarding these often malicious ads — it’s likely that the only prize to be claimed is malware. This type of scheme is known as malvertising. For online businesses, these malicious advertisements could put both the company and its customers at risk.
The domains with which your website connects often retrieve advertisements. What do those ad-delivering networks have to do with the security of business websites? It comes down to analytics, big data and the mechanisms used to generate revenue.