Week in review: Exploited zero-day in Cisco email security appliances, Kali Linux 2025.4 released – Help Net Security

Week in review: Exploited zero-day in Cisco email security appliances, Kali Linux 2025.4 released – Help Net Security

By Help Net Security
Publication Date: 2025-12-21 09:00:00

Here’s an overview of some of last week’s most interesting news, articles, interviews and videos:

How researchers are teaching AI agents to ask for permission the right way
People are starting to hand more decisions to AI agents, from booking trips to sorting digital files. The idea sounds simple. Tell the agent what you want, then let it work through the steps. The hard part is what the agent does with personal data along the way. A new research study digs into this problem, and asks a basic question. How should an AI agent know when to use someone’s data without asking every time?

Ro’s CISO on managing data flows in telehealth
In this Help Net Security interview, Scott Bachand, CIO/CISO at Ro, discusses how telehealth reshapes the flow of patient data and what that means for security. He explains why organizations must strengthen data classification and visibility as systems and vendors multiply. He also outlines how regulations and new technologies are driving a…