thaddeus e. grugq, better known as simply grugq, is an information security researcher.^[3]

grugq has been analyzing and authoring content about applied security, cyber, operational, and otherwise for around 25 years.^[4]His writings range from in-depth papers on forensics and anti-forensics, to detailed analysis of events that skirt both international espionage and cyber security.^[4]grugq has been cited in The New York Times, The Washington Post, Wired (magazine), and Vice (magazine) as well as referenced at security conferences.^[4] gugq has grown a large following online and as of April 2019 had over 102k followers on Twitter and over 30k followers on Medium.^{[3] [0]}