AVG reports the number of websites set up to steal your data has nearly doubled from about 150,000 per day to 300,000 since October 2008. Websense: 70 percent of the top 100 most popular Web sites either hosted malicious content or contained a masked redirect to lure unsuspecting victims to malicious sites. These “transient threats” make maintaining lists of dangerous websites extremely hard to manage, says Roger Thompson, chief research officer for AVG. “Security firms can no longer rely on just blacklisting sites,” Thompson says.”]
Source: https://www.csoonline.com/article/2137171/is-web-site-filtering-an-obsolete-security-control-.html