Uploaded October 2025 | Updated September 2026, 3 weeks ago

---

In part two, Hannah and Four tackle the human element at the heart of cybersecurity: Who are the bad actors, and what motivates them? They dissect the evolving strategies designed to stop social engineering attacks - like passkeys and risk-based authentication - and confront the complex security and privacy challenges that may be introduced by autonomous agents.

If you haven't watched part one, start here: youtu.be/1gO2bC5xLlo

Timecodes:
00:00 Intro
01:30 Bad actors
08:00 Project Zero
14:00 Social engineering
16:25 Best practices
20:00 Agents
26:30 Global cooperation
27:20 Hannah's thoughts

_____

Further reading:
CodeMender: https://deepmind.google/discover/blog/introducing-codemender-an-ai-agent-for-code-security/
Cybersecurity at Google: https://blog.google/technology/safety-security/ai-security-frontier-strategy-tools/
Threat intelligence report: cloud.google.com/blog/topics/threat-intelligence/adversarial-misuse-generative-ai

___

Thanks to everyone who made this possible, including but not limited to:

Presenter: Professor Hannah Fry
Series Producer: Dan Hardoon
Editor: Rami Tzabar
Commissioner & Producer: Emma Yousif
Music composition: Eleni Shaw
Audio engineer: Richard Courtice

Video Editor: Bilal Merhi
Audio Engineer: Perry Rogantin
Visual Identity and Design: Rob Ashley
Commissioned by Google DeepMind

____
Subscribe to our channel youtube.com/@googledeepmind
Find us on X twitter.com/GoogleDeepMind
Follow us on Instagram instagram.com/googledeepmind
Add us on Linkedin linkedin.com/company/deepmind