Cyber Daily News for April 16, 2026

Cyber Daily News for April 16, 2026 Cyber Daily News is also available via podcast! https://feeds.transistor.fm/cyber-daily-news Stories mentioned in today's briefing: - Systemic Flaw in MCP Protocol Could Expose 150 Million Downloads https://www.infosecurity-magazine.com/news/systemic-flaw-mcp-expose-150/ - Critical Nginx-ui MCP Flaw Actively Exploited in the Wild https://www.infosecurity-magazine.com/news/nginx-ui-mcp-flaw-actively/ - Claude Code, Gemini CLI, GitHub Copilot Agents Vulnerable to Prompt Injection via Comments https://www.securityweek.com/claude-code-gemini-cli-github-copilot-agents-vulnerable-to-prompt-injection-via-comments/ - 'I'm Just Scared': Teen Hacker Jailed After Massive U.S. School Data Breach https://thecyberexpress.com/hacker-matthew-lane-powerschool-data-breach/ - 100 Chrome Extensions Steal User Data, Create Backdoor https://www.securityweek.com/100-chrome-extensions-steal-user-data-open-backdoor/ - Signed Adware Operation Disables Antivirus Across 23,000 Hosts https://www.infosecurity-magazine.com/news/dragon-boss-adware-disables/ - Sweden Blames Pro-Russian Group for Cyberattack on Its Energy Infrastructure https://www.securityweek.com/sweden-blames-pro-russian-group-for-cyberattack-last-year-on-its-energy-infrastructure/ - OpenAI Unveils GPT-5.4-Cyber for Improving Cyber Defense With AI https://www.infosecurity-magazine.com/news/openai-unveils-gpt-54-cyber-defense/