---
title: "Security Lock Icon | Free Download PNG & SVG | Ultimate Duotone"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/security-lock--15854
canonical_url: "https://www.streamlinehq.com/icons/download/security-lock--15854"
summary: "Clean duotone icon of a padlock with an arched shackle and three dotted rows. Used for security and access."
---

# Security Lock icon

The Security Lock icon shows a rounded rectangular lock body with an arched shackle, three horizontal sections, and paired dots in each row. Drawn in the duotone style on a 24px grid with a 1px stroke so its compact geometry stays clear at small sizes. Use it for security controls, access permissions, privacy settings, authentication screens, and protected data interfaces. It belongs to Ultimate Duotone set in the Ultimate family.

## Preview

![Clean duotone icon of a padlock with an arched shackle and three dotted rows. Used for security and access.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/streamline-duotone/coding-apps-websites/bug-security/security-lock-jopz3jh47liof14xzgl5q.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Security Lock
- **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**: lock, padlock, secure, security, secured, protected, protection, privacy, private, safe, encryption, unlock, key, password, access

## Download

- [Download Security Lock on Streamline](https://www.streamlinehq.com/icons/download/security-lock--15854)

## Also available in other styles

- [Security Lock — Ultimate Colors](/icons/download/security-lock--19672.md) (Pro)
- [Security Lock — Ultimate Light](/icons/download/security-lock--8343.md) (Pro)
- [Security Lock — Ultimate Regular](/icons/download/security-lock--9074.md) (Pro)
- [Security Lock — Ultimate Bold](/icons/download/security-lock--7612.md) (Pro)

---

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