Nothing ruins a deck faster than mixing 3D glossy icons with flat, minimalist ones. Pick one style (e.g., "Outline" or "Solid") and stick to it throughout the entire presentation. Use "Graphics Fill" to Brand Your Icons

If you prefer a minimalist, designer-led aesthetic, the Noun Project is the gold standard.

Custom, cohesive icons give your deck a "polished" feel compared to generic clip art.

These are SVG files, meaning you can change their color and resize them without losing quality. 2. Flaticon

It offers highly specific technical icons that you might not find elsewhere, such as specific node types or data encryption symbols. 4. Cisco Network Topology Icons

You can download "packs" so that every icon in your presentation (from firewalls to satellites) has a consistent line weight and style. Format: Download as SVG for the best results in PowerPoint. 3. Noun Project

Since most modern downloads are SVGs, you can select the icon in PowerPoint and use the tab to change the color. Match the icons to your company’s brand colors for a seamless look. Avoid Overcrowding