Court allows for Ohio to implement restrictions on social media use.

This briefing summarizes policy and cybersecurity news: a U.S. appeals court allowed Ohio to enforce the Social Media Parental Notification Act for users under 16, the Five Eyes alliance warned that frontier AI models pose near-term cybersecurity risks and recommended preparedness actions, and additional items cover Meta's lobbying for legal immunity related to child-harm claims, an executive order accelerating post-quantum cryptography migration, and the Bank of England's revised stablecoin rules.