Free Security Icons
Last Updated on August 21, 2026 by Editorial Team
A gorgeous set of 12 security-related icons designed and shared by AomAm. The freebie comes in both .Ai and .Sketch formats.
Free for Personal Use!
What makes this set stand out is the consistent line-and-fill style running through every icon: bold black outlines, rounded corners, and a restrained palette of orange, green, yellow, and grey sitting on flat white shapes.
Nothing here feels sharp or clinical. The traffic cone, the padlock, the shield with its checkmark, the winking eye, the computer flashing a warning triangle: each one reads as friendly rather than alarming, which is a hard balance to strike when the subject matter is security and risk.
That warmth is exactly what separates this set from the generic lock-and-shield clip art you find everywhere else. Security topics can come across cold or overly corporate, but the rounded strokes and candy-bright accent colors here give the icons a more approachable, almost editorial feel, closer to what you’d see in a modern SaaS product than a bank brochure.
The subject matter covers the core visual vocabulary of digital safety: a shield for protection, a key and padlock for access control, an eye for monitoring or privacy, a checkmark badge for verified status, a warning triangle for alerts, and traffic cones for caution or maintenance states.
That range means you’re not stuck illustrating just one narrow idea. You can pull from the set to represent anything from password protection to system downtime.
Where These Icons Work Best
This kind of icon set earns its keep on any project that has to explain security or trust visually without leaning on stock photography.
- Landing pages for VPNs, password managers, antivirus software, or identity protection apps
- Onboarding flows and empty states that need a friendly warning or “all clear” moment
- Pricing tables and feature comparisons where a shield or checkmark communicates a security tier at a glance
- Blog posts and explainer graphics about cybersecurity, privacy, or IT best practices
- Dashboard UI for admin panels, showing alerts, verified accounts, or maintenance mode
- Presentation decks pitching a product’s safety features to stakeholders or clients
Because the style leans playful rather than corporate, it also suits startups and consumer apps that want security messaging to feel reassuring instead of intimidating. A fintech app explaining two-factor authentication, for instance, benefits far more from a friendly padlock than a stark red warning sign.
Once you’re editing the icons, the vector construction makes it simple to adjust the palette to match your own brand. Recoloring the fills is usually the fastest win: swap the greens and oranges for your primary and accent colors and the whole set instantly feels custom rather than borrowed.
The heavy outlines can also be thickened or thinned to match the stroke weight of any other icons you’re pairing them with, which matters if you’re combining this set with icons from another source and need visual consistency.
Since each icon is built from simple grouped shapes, isolating a single element, say just the eye or just the shield, and dropping it onto a colored background works well for social graphics or app store screenshots. If you need a favicon or app badge, the shield-and-checkmark combination is compact enough to scale down cleanly while staying recognizable.
For pairing, these icons sit comfortably alongside flat-illustration hero graphics, rounded sans-serif typography, and UI kits that already use a similar bold-outline aesthetic. Avoid mixing them with thin, minimal line icons, since the contrast in stroke weight will make one set look out of place next to the other.
