Nicole Perlroth, a New York Times journalist focused on cybersecurity, discusses the significant repercussions of Russia's invasion on Big Tech. She highlights how social media plays a role in modern warfare, contrasting traditional military power with information warfare. The conversation covers the challenges of ransomware attacks from Russian hackers and the necessity of proactive cybersecurity measures. Perlroth also explores the complexities of cryptocurrencies within the context of cybercrime and the broader implications for global security.