10 Years After the Landmark Attack on Estonia, Is the World Better Prepared for Cyber Threats? – Foreign Policyhttps://foreignpolicy.com/2017/04/27/10-years-after-the-landmark-attack-on-estonia-is-the-world-better-prepared-for-cyber-threats/
Angela Merkel says ‘hard evidence’ she was target of Russian hackers | The Independenthttps://www.independent.co.uk/news/world/europe/angela-merkel-russia-hackers-emails-gru-latest-a9512026.html
Norway police arrest citizen suspected of spying for Russia | News | Al Jazeerahttps://www.aljazeera.com/news/2020/08/norway-police-arrest-citizen-suspected-spying-russia-200817160155036.html
Russian special services behind fake bomb threats sent to schools in 2019: Polish intelligencehttps://rmx.news/article/article/russian-special-services-behind-fake-bomb-threats-sent-to-schools-in-2019-polish-intelligence