Fix Microsoft Security Blog source URL

Co-authored-by: Ona <no-reply@ona.com>

Author: Siddhant-K-code

src/content/chapters/01-agentic-landscape.mdx

@@ -162,7 +162,7 @@ The adoption numbers tell a clear story:
 
 | Metric | Value | Source |
 | --- | --- | --- |
-| Fortune 500 companies using AI agents | 80% | [Microsoft Security Blog, Feb 2026](https://www.microsoft.com/en-us/security/blog/2026/02/04/microsoft-ai-red-team-building-future-of-safer-ai/) |
+| Fortune 500 companies using AI agents | 80% | [Microsoft Security Blog, Feb 2026](https://www.microsoft.com/en-us/security/blog/2026/02/10/80-of-fortune-500-use-active-ai-agents-observability-governance-and-security-shape-the-new-frontier/) |
 | Coding tasks that are AI-assisted | ~60% | [Anthropic: Measuring AI Agent Autonomy, Feb 2026](https://www.anthropic.com/research/measuring-agent-autonomy) |
 | Enterprises already using AI agents | 65% | [CrewAI: State of Agentic AI, Feb 2026](https://www.crewai.com/blog/the-state-of-agentic-ai-in-2026) |
 | MCP servers publicly visible | 8,000+ | [Invariant Labs: MCP Tool Poisoning Attacks](https://invariantlabs.ai/blog/mcp-security-notification-tool-poisoning-attacks) |