Security experts are accustomed to direct attacks, but some of todays more insidious incursions succeed in a roundabout way. These watering hole tactics recently have been used as stepping stones to conduct espionage attacks against a host of targets across a variety of industries. Researchers from Symantec this month published their own report on the trend. The report redacts the full URLs of the hacked sites that were redirecting to exploit sites in this campaign. Through Google and its propensity to cache content, we can see firsthand the names of the sites.”]
Source: https://krebsonsecurity.com/2012/09/espionage-hackers-target-watering-hole-sites/