For those able to read Spanish, there are already 8 articles in a popular security magazine recommending and introducing top-notch security sites. You can find them here:
1- pauldotcom.com
2- sans.org
3- commandlinekungfu.com
4- gnucitizen.org
5- irongeek.com
6- taosecurity.blogspot.com
7- www.socialengineer.org
8- jarlsberg.appspot.com
9- www.ethicalhacker.net
10- www.darkreading.com
11- ha.ckers.org
12- shadowserver.org
13- www.securitywizardry.com
14- infosecisland.com
Happy reading!