https://www.deccanchronicle.com/technology/in-other-news/010418/russian-hacker-accused-compromise-100-million-data-linkedin-dropbox.html >Russian man on Friday pleaded not guilty to charges he hacked three US technology companies, potentially compromising personal details of more than 100 million users, including on LinkedIn, after being extradited from the Czech Republic. >Yevgeniy Nikulin, 30, of Moscow, entered his plea in the US District Court in San Francisco, after having fought his extradition following his 2016 arrest in Prague.