*[http://equalit.ie/esecman/appendix_b.html Digital Security & Privacy for Human Rights Defenders - Appendix B - The Internet Explained]
*[http://equalit.ie/esecman/chapter2_5.html Digital Security & Privacy for Human Rights Defenders - Internet Surveillance]
*[http://equalitwww.iesouthbourne.com/esecmanarticles/chapter2_5.html internet-in-practice Sonet Digital Security & Privacy for Human Rights Defenders - the Internet SurveillanceExplained]
[http://www.southbourne.com/articles/internet-in-practice Sonet Digital - the Internet Explained] *[http://en.wikipedia.org/wiki/Internet The Internet, by Wikipedia]