By Anamarija Pogorelec
Publication Date: 2026-08-09 08:00:00
Here’s an overview of some of last week’s most interesting news, articles, interviews and videos:
Mapping the malware blast radius a single alert won’t show you
In this interview with Help Net Security, Mike Wiacek, founder and CTO of Stairwell, explains Backstory, an AI agent that takes a single alert and works outward to map how far a malware campaign spread. He walks through the research behind the claim that each published sample hides an average of 2.4 undocumented variants, describes what counts as a related variant, and explains why Stairwell keeps every executable that runs on customer endpoints.
Elastic Defend now covers 800+ vulnerable drivers, with automated troubleshooting and ARM support
Attackers reaching for kernel access on a Windows machine bring a driver Microsoft already trusts. It is signed, it loads, and it carries a known flaw. That flaw gives them enough room to tamper with memory or disable the security software watching the host.

