Wifi Security Padlock black outline icon
Outline padlock with three wifi signal arcs and a dot drawn on its body
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About the Wifi Security Padlock black outline icon
A closed padlock with a tall rounded shackle carries three concentric wifi arcs and a dot across its square body, so the wireless signal itself reads as locked. It communicates encrypted connections, protected routers and private hotspots. Fit it to network settings panels, VPN apps, router admin screens, hotel or office guest wifi pages and cybersecurity slide decks.
The arcs are centered and taper from wide to narrow, echoing a standard signal indicator while the padlock frame keeps the silhouette recognizable at a glance. It pairs naturally with shield, key and router icons. Keep it at 24 px or larger so the smallest arc and dot stay distinct.
This is the black outline version of the wifi security padlock icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
Download it free as a scalable SVG vector or transparent-background PNG in seven sizes (16 to 512px), copy the SVG code straight into your project, or open it in the free online editor to change colors, apply gold, silver, neon and gradient styles, animate it, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
