---
title: "Shield Warning Icon | Free Download PNG & SVG | Ultimate Duotone"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/shield-warning--15854
canonical_url: "https://www.streamlinehq.com/icons/download/shield-warning--15854"
summary: "Clean duotone icon of a shield with an exclamation mark. Used for security warnings and alerts."
---

# Shield Warning icon

The Shield Warning icon shows a rounded shield split into two colored halves with a centered exclamation mark. Drawn in the duotone style on a 24px grid with a 1px stroke so it stays clear and adaptable at small sizes. Use it for security warnings, protection alerts, validation errors, and risk notifications. It belongs to Ultimate Duotone set in the Ultimate family.

## Preview

![Clean duotone icon of a shield with an exclamation mark. Used for security warnings and alerts.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/streamline-duotone/coding-apps-websites/bug-security/shield-warning-us910a7e4m6u5ifn2fkq9.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Shield Warning
- **Type**: Icon
- **Set**: [Ultimate Duotone](/icons/streamline-duotone.md) — Ultimate is the world’s largest icon family, designed by 8 expert designers. The Duotone style enhances visual depth by combining colored lines and filled shapes, perfect for matching brand or project colors. Key advantages: 1—Customizable colors. Apply up to four different colors to icon elements. 2— Adjustable stroke thickness. Create looks ranging from thin to bold for varied aesthetics.
- **Family**: [Ultimate](/icons/ultimate-sets.md) — The encyclopedia of icons
- **Style**: Duo, Stroke, Filled
- **Category**: Coding apps websites › Bug Security
- **Default size**: 24px
- **Stroke width**: 1px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: shield, warning, alert, caution, exclamation, secure, security, protection, danger, attention, protected, safety, problem, error, failure, hazard, sign, notification, protect

## Download

- [Download Shield Warning on Streamline](https://www.streamlinehq.com/icons/download/shield-warning--15854)

## Also available in other styles

- [Shield Warning — Ultimate Colors](/icons/download/shield-warning--19672.md) (Pro)
- [Shield Warning — Ultimate Light](/icons/download/shield-warning--8343.md) (Pro)
- [Shield Warning — Ultimate Regular](/icons/download/shield-warning--9074.md) (Pro)
- [Shield Warning — Ultimate Bold](/icons/download/shield-warning--7612.md) (Pro)

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