A hacker using the handle SLYHACKER has sent in list sites that belong to the Software & Information Industry Association that have been breached and left defaced. > The Software & Information Industry Association is the principal trade association for the software and digital content industry. SIIA provides global services in government relations, business development, corporate education and intellectual property protection to the leading companies that are setting the pace for the digital age. About
As you can see the SIIA is a active fighter against anti-piracy and no doubt this attack will go down as another attack in the name of fighting for open source software, free speech and the right to link to contents. The sites all belong to the SIIA and are subdomains and alternative domains for its main website www.siia.com which all have the same defacement on them that come with no real message. 
All together 11 sites have been breached and at time of publishing they all appeared to be restored but mirrors can be found below. Sites: 1. https://www.siia.com/
2. https://marketmaker.siia.net/
3. https://www.spiritual.spa.org/
4. https://codies.siia.net/
5. https://www.uadc.siia.com/
6. https://cairo.spa.org/
7. https://ww.siia.net/
8. https://toba.spa.org/
9. https://fcca.siia.com/
10. https://members.siia.net/
11. https://www.spa.org/
Mirrors 1. https://zone-h.org/mirror/id/
2. https://zone-h.org/mirror/id/
3. https://zone-h.org/mirror/id/
4. https://zone-h.org/mirror/id/
5. https://zone-h.org/mirror/id/
6. https://zone-h.org/mirror/id/
7. https://zone-h.org/mirror/id/
8. https://zone-h.org/mirror/id/
9. https://zone-h.org/mirror/id/
10. https://zone-h.org/mirror/id/
11. https://zone-h.org/mirror/id/