[Security Overview] New Security Overview UI changelog entry (#29053)

* [Security Overview] Add new Security Overview UI changelog entry

* [Security Overview] Add image reference to changelog entry

* Add files via upload

* Update src/content/changelog/security-overview/2026-03-17-new-security-overview-ui.mdx

Co-authored-by: Denise Peña <75506267+dcpena@users.noreply.github.com>

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Co-authored-by: Denise Peña <75506267+dcpena@users.noreply.github.com>

Author: rwyatt-source

src/assets/images/changelog/security-overview/.gitkeep

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+---
+title: New Security Overview UI
+description: The Security Overview now highlights critical insights, detection tools, and industry peer comparisons.
+date: 2026-03-17
+---
+
+The Security Overview has been updated to provide Application Security customers with more actionable insights and a clearer view of their security posture.
+
+Key improvements include:
+
+- **Criticality for all Insights**: Every insight now includes a criticality rating, allowing you to prioritize the most impactful security action items first.
+- **Detection Tools Section**: A new section displays the security detection tools available to you, indicating which are currently enabled and which can be activated to strengthen your defenses.
+- **Industry Peer Comparison** (Enterprise customers): A new module from Security Reports benchmarks your security posture against industry peers, highlighting relative strengths and areas for improvement.
+
+![New Security Overview UI](~/assets/images/changelog/security-overview/overview-ui.png)
+
+For more information, refer to [Security Overview](/security/overview/).