Spammers are abusing ill-configured U.S. dot-gov domains and link shorteners to promote spammy sites that are hidden behind short links ending in”usa.gov”. Spam purveyors are taking advantage of so-called “open redirects” on several U.S. state Web sites to hide the true destination to which users will be taken if they click the link. Open redirects are potentially dangerous because they let spamm
![Spammers Abusing Trust in US .Gov Domains – Krebs on Security](https://cdn-ak-scissors.b.st-hatena.com/image/square/158319fc9be28cd8b9766683f40e2140685948b1/height=288;version=1;width=512/https%3A%2F%2Fkrebsonsecurity.com%2Fwp-content%2Fuploads%2F2016%2F03%2F1-SkypeSpam.jpg)