Headline
A week in security (September 15 – September 21)
A list of topics we covered in the week of September 15 to September 21 of 2025
September 19, 2025 - OpenAI has fixed a vulnerability in ChatGPT Deep Research after researchers found a prompt injection method to exfiltrate PII.
September 18, 2025 - Microsoft and Cloudflare have delivered a major blow to the fastest growing Phishing-as-a-Service operation called RaccoonO365.
September 18, 2025 - Google has issued a Chrome update to fix four high priority flaws including one zero-day, zero-click vulnerability.
September 18, 2025 - OpenAI is going to try and predict the ages of its users to protect them better, as stories of AI-induced harms in children mount.
September 17, 2025 - Researchers have discovered a large ad fraud campaign on Google Play Store.