InfoSecBulletin Cybersecurity for mankind

Cybersecurity researchers revealed a zero-click vulnerability in OpenAI ChatGPT’s Deep Research agent that lets attackers leak sensitive Gmail inbox data through a single crafted email, requiring no user action. Radware named the attack  ShadowLeak. After informing responsibly on June 18, 2025, OpenAI resolved the issue in early August. “The attack …

Several European airports are experiencing flight delays and cancellations due to a cyber attack on a check-in and boarding systems service provider. The attack has made automated systems unusable, forcing only manual check-in and boarding, says Brussels Airport. Heathrow and Berlin airports reported that the attack disrupted flights, advising passengers …

A threat actor claims to have breached Link3, a major IT solutions and internet service provider based in Bangladesh. The data has been put up for sale on a dark web forum. According to the forum post: Link3 is the largest ISP in the country by active subscribers, offering essential …