TippingPoint and its ZDI bounty program have sponsored or co-sponsored Pwn2Own since its 2007 inception. After researchers hand over the vulnerabilities they used to hack targets -- and their exploit code -- ZDI confirms the results, then passes the information to the pertinent vendors, which typically have representatives on-site, ready to start the patching process.
Pwn2Own has always taken place at the CanSecWest security conference, hosted in Vancouver, British Columbia. This year, CanSecWest runs March 18-20.
ZDI has posted the contest rules on its website.
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