Spider Shield
A free antivirus alternative that stops malware before it lands.
Shield is a DNS-level firewall that blocks malware and phishing sites. It is not a full antivirus scanner, so keep the one your computer already has.
Shield next to an antivirus scanner.
| Feature | Spider Shield | Antivirus scanner |
|---|---|---|
| Blocks phishing and malware sites | Yes | Yes |
| Blocks ads and trackers | Yes | Varies |
| Covers every app | Yes | Yes |
| Scans and removes files on disk | No | Yes |
| No account or setup | Yes | Varies |