Automatic Attack Disruption with Liz Tesch

About Show #1050

What if Microsoft Defender not only detected attackers - but also fought back? Richard talks to Liz Tesch about Microsoft Defender Automatic Attack Disruption and Predictive Shielding. Liz talks about how attacks are often detected before the payload executes, but by the time humans can respond, far more damage has been done. Automatic Attack Disruption acts immediately on detection to limit the attacker by locking accounts, restricting access on a compromised server, and more. Predictive Shielding goes a step further by limiting attackers' ability to respond to the disruption by turning off GPO changes, disabling safe mode, and otherwise interfering with the typical actions that attackers take once they know they have been detected. Add AI to the mix, and everything gets more complicated. The black hats are using AI to attack, and Microsoft Defender XDR is using it to defend - the race is on!

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Recorded June 29, 2026

 

Liz Tesch is a Senior Cloud Solution Architect in Corporate Technical Strategy at Microsoft, where she leads strategic engagements focused on the intersection of AI and Security Operations. Prior to her current role, Liz was a member of MIRCAT (Microsoft Incident Response Critical Action Team), supporting organizations through compromise recovery during major cyber incidents. She also served as a Consulting Architect, leading security teams on some of Microsoft's largest and most complex cloud migrations. A recognized voice in the security community, Liz has spoken at industry events including ISC2 Security Congress, Experts Live US, and SANS CloudSecNext.
 

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