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Leonid Radvinsky, the owner of the adult content platform OnlyFans, has passed away at the age of 43 after a prolonged battle with cancer. The company announced his death on Monday, stating that he passed away peacefully.Radvinsky, a Ukrainian-American billionaire, had a net worth of about $3.8 billion as of May 2025. He acquired OnlyFans' parent company, Fenix International Limited, in 2018 and served as the company's director and majority shareholder. Born in Odesa, he grew up in Chicago and studied economics at Northwestern University.According to reports, Radvinsky began running pornography sites as a teenager. OnlyFans, founded in 2016, is best known for allowing adult film actors and sex workers to monetize their content through a subscription-based model. The company typically takes a 20% cut of payments, leaving creators with 80% of the revenue.In recent months, Radvinsky had been in talks to sell a 60% stake in OnlyFans in a deal that would have valued the company at around $8 billion. He had moved his ownership to a trust in 2024. OnlyFans has faced controversy, including a 2024 Reuters investigation that reported on women who claimed to have been sexually enslaved to make money from the site.Despite efforts to expand beyond sexually explicit content, pornographic material remains OnlyFans' best-known product. The platform has been used by various creators, including Olympians and teachers, who have turned to the site as a way to supplement their income.

Rapid‑Action Spyware: The Darksword Campaign UnveiledResearchers at Google, iVerify and Lookout traced a fresh wave of iPhone attacks against Ukrainian users to a toolkit they named Darksword. The tool, linked to the threat actor UNC6353, infiltrates devices via compromised Ukrainian websites, siphons passwords, photos, messaging app data and wallet credentials, then vanishes within minutes.Technical Footprint and Quick‑Turnover MetricsInfection vector: malicious scripts on Ukrainian‑hosted sites, active only for visitors inside Ukraine.Data exfiltration window: minutes of dwell time, depending on volume of harvested information.Capabilities: extraction of WhatsApp, Telegram, SMS, browser history, and cryptocurrency wallet keys.Design: modular architecture allowing rapid addition of new functions, mirroring the earlier Coruna toolkit.Geopolitical and Security ImplicationsThe Darksword operation underscores a growing trend of state‑aligned actors deploying highly specialized mobile spyware for short‑term, high‑value “smash‑and‑grab” missions. While the campaign was geographically limited to Ukraine, its sophistication suggests that similar tools could be repurposed for broader espionage or financial theft, raising concerns for iPhone users worldwide and prompting a reassessment of mobile threat models.Future Outlook: Modular Spyware on the RiseAnalysts predict that the success of Darksword will encourage further development of modular iPhone exploits that prioritize rapid data theft over persistent surveillance. Defensive measures will likely focus on hardening web‑delivery chains, improving app‑store vetting, and enhancing on‑device anomaly detection to counter fleeting, high‑impact attacks.