PHDays 9 was held on May 21–22, 2019, in Moscow at the Crocus Expo International Exhibition Center. It included over 100 presentations and workshops by Russian and foreign information security experts and IT business representatives. The keynote speaker was German security researcher Carsten Knoll. The forum hosted hacking and data protection competitions, including The Standoff, a cyberbattle between attackers and defenders. The best attacker teams from PHDays 9 received an invitation to the contest finals at the HITB+ CyberWeek conference in
Abu Dhabi, which took place on October 12–17, 2019. For the first time at PHDays, with the support of FinCERT (
Bank of Russia) and CODDY (a programming school), a children's track was held, The Standoff Kids. Young guests aged 8 to 13 were introduced to the basics of cyberliteracy, as well as information and financial security. On the second day of the forum, the final stage of the Positive Wave music IT festival took place. The winner was the band Raev Clan, and the People's Choice Award went to the band Of Titans and Men. Positive Hack Days 9 brought together over 8,000 attendees.
The Standoff In 2020, PHDays was cancelled because of the
coronavirus pandemic. However, in November 2020, the organizers isolated The Standoff (cyberexercises held at PHDays) from the forum, making it a separate event during which an online conference took place. The main theme of the event was digital threat modeling. For this purpose, an entire cyberrange was created that included the model of a virtual city with control systems that mimicked the same systems of real power substations, oil refineries, and the infrastructure of modern cities. ==PHDays 2021: The Origin==