Week in review: Cisco SD-WAN 0-day exploited, Patch Tuesday forecast – Help Net Security

Week in review: Cisco SD-WAN 0-day exploited, Patch Tuesday forecast – Help Net Security

By Help Net Security
Publication Date: 2026-06-07 08:00:00

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

OWASP Agent Memory Guard: Stop AI agents from being weaponized through their own memory
Agent Memory Guard is an open-source runtime defense layer that sits between an agent and its memory store, screening every read and write through a pipeline of detectors and a YAML policy. The project is the OWASP reference implementation for ASI06, Memory Poisoning, one entry in the OWASP Top 10 for Agentic Applications.

Data discovery gaps that catch enterprises off guard
In this interview with Help Net Security, Avani Desai, CEO at Schellman, talks about the gap between what organizations think they know about their data and what discovery scans turn up. She shares stories of shadow data in abandoned cloud storage, post-merger surprises where duplicated datasets slowed integration, and why synthetic data is overmarketed while confidential computing stays underappreciated.

Zero trust…