Global AI Security Summit 2026

Global summit on securing AI, Cyber, Robotics, and Autonomous Systems.📍 London | 🗓️ November 2026. Where innovation meets defense. 🌐

[Global AI Security Summit 2026 @secsummitai]

@starmexxx Interesting - worth a trial - our team are on it!

[Global AI Security Summit 2026 @secsummitai]

@KanishkaNarayan @AnthropicAI Great topic for discussion at the Global AI Security Summit 2026 (GASS 26) in London this December

[Global AI Security Summit 2026 @secsummitai]

@may_tohoku @OpenAI @Microsoft Sent you a DM - thanks!

[Global AI Security Summit 2026 @secsummitai]

@leicesterliz Thank you Liz - we are working to extend UK's lead even also in the field of AI Security - looking forward to engaging with your esteemed office!

[Global AI Security Summit 2026 @secsummitai]

@KanishkaNarayan Thank you Sir! Great opportunity for the UK to lead!

[Global AI Security Summit 2026 @secsummitai]

@KanishkaNarayan Great speech - great to see the UK leading from the front in AI!

[Global AI Security Summit 2026 @secsummitai]

@i_dot_ai @KanishkaNarayan We are bringing the world to London this November 2026…#GlobalSecuritySummit2026

[Global AI Security Summit 2026 @secsummitai]

@geoffreyirving Congratulations @geoffreyirving - our organisation will definitely reach out for potential areas of synergy....

[Global AI Security Summit 2026 @secsummitai]

@SciTechgovuk @KanishkaNarayan Awesome @KanishkaNarayan - great to see a passionate and very involved Minister...Keep it up!

[Global AI Security Summit 2026 @secsummitai]

@StartupCltn @LucyRigby Thanks you team - looking forward to it....

[Global AI Security Summit 2026 @secsummitai]

@SciTechgovuk We are a U.K. organisation focused at making the U.K. the global leader in championing AI Security - who in the department can we reach out to please?

[Global AI Security Summit 2026 @secsummitai]

@ControlAI @NPCollapse This is exactly what we tackling at the Global AI Security Summit 2026 - this year....

[Global AI Security Summit 2026 @secsummitai]

Anthropic Launched Fables 5/Mythos-class today - What does it mean for Cyber Security?

This release marks a pivotal moment in the intersection of AI capabilities and cybersecurity. Anthropic has publicly deployed a "Mythos-class" model (Claude Fable 5) with strong safeguards while restricting the full-power version (Claude Mythos 5) to vetted defenders. It demonstrates frontier labs treating advanced AI cyber capabilities as a high-stakes dual-use technology requiring tiered access.

1. Core Technical Reality: Mythos-Class Capabilities
Fable 5 and Mythos 5 share the same underlying model weights. The difference lies in safeguards:

Fable 5 (general release): Routes sensitive queries (cybersecurity/offensive techniques, biology/chemistry, model distillation) to the weaker Opus 4.8. This affects <5% of sessions on average, with user notification. General performance (coding, reasoning, vision, long-horizon tasks) remains Mythos-level.

Mythos 5: Full capabilities, initially limited to Project Glasswing partners (cyber defenders, critical infrastructure). Expanding via trusted access for defensive cyber and biomedical work.

Proven Impact from Glasswing Testing:
Identified 23,000+ critical vulnerabilities, including ancient ones (27-year-old in OpenBSD, 16-year-old in FFmpeg) and 271 in Firefox (10x more than prior models).

Excels at zero-day discovery, exploit chaining, and evading defenses like sandboxing.

On cyber benchmarks, Mythos 5 roughly doubles prior models; Fable 5 falls back to Opus-level on restricted topics.

This confirms AI has crossed a threshold where it can meaningfully accelerate both vulnerability discovery and exploitation at scale.

2. Implications for Cybersecurity (Defensive & Offensive)
Defensive Advantages (The Primary Goal):

Asymmetric Edge for Defenders: By prioritizing access for critical software maintainers (AWS, Google, Microsoft, Cloudflare, etc.), Anthropic aims to create a "durable defender advantage." Partners scan massive codebases, fix issues proactively, and share findings industry-wide.

Scale of Remediation: Traditional manual review can't keep up with millions of lines of code. Mythos enables automated, high-recall bug hunting in complex systems. Expect faster patching of foundational software (OS kernels, browsers, libraries), reducing the global attack surface.

Agentic Security Workflows: Long-horizon autonomy (running for days, self-verification, tool use) suits continuous scanning, code migration, and security auditing. Real-world examples include 50M-line Ruby migrations completed in days.

#claude #fable5 #ai

[Global AI Security Summit 2026 @secsummitai]

@SciTechgovuk @KanishkaNarayan @OQC_Tech @nebiusai The UK is leading the pack and will lead on AI Security too....

[Global AI Security Summit 2026 @secsummitai]

@Telegraph Lets do it securely...

[Global AI Security Summit 2026 @secsummitai]

The AI security revolution starts in London. 🌍

GLOBAL AI SECURITY SUMMIT 2026

From Agentic AI to autonomous cybersecurity, this is where the world's top minds converge to secure our digital future.

- 2,500+ attendees
- Global keynotes
- Live autonomous systems demos
- Government, industry & academia - together
- Six conference tracks across two days

This isn't just another tech conference.
It's where innovation meets protection.

📍 London | 10–11 November 2026

STRATEGISE. SECURE. SCALE. SUCCEED.

#GlobalAISecuritySummit #AISecurity #CyberSecurity #AgenticAI #DefendTomorrow