Gone Too Soon: Dan Kaminsky, Hacker Hero Gone Too Soon: Dan Kaminsky, Hacker Hero The cybersecurity researcher community has been in mourning this past week as legendary hacker Dan Kaminsky tragically passed away on April 23. Kaminsky was a well known and widely loved figure, for his character, his skills and his research. He was a fixture in the security conference scene, in particular at the annual Black Hat and DEFCON security conferences where he was legendary for numerous discoveries and research. Kaminsky will forever be remembered for the flaw in DNS that he discovered in 2008 and was able to rally the entire technology industry together to literally save the internet as we know it.