Found this weird shield-shaped bug crawling on my curtains in the middle of winter. It moves really slowly and has a speckled brown back. Is this going to bite or infest my house?

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11. Quick ID And Response Checklist For The Next Time One Shows Up
1. Identify: Look for a shield-shaped bug with a speckled brown back and banded antennae.
2. Capture: Use a jar and paper to gently trap the bug for release outdoors.
3. Prevent: Seal entry points around doors, windows, and vents.

4. Avoid: Refrain from squashing the bug to prevent odor.
5. Monitor: Keep an eye out for more bugs to ensure your home remains bug-free.