Detecting and stopping today’s advanced threats requires more than traditional stateful or next-generation firewalls.
Threats are lurking in encrypted traffic
The vast majority of threats now hide behind encryption, allowing threat actors to to infect users, shroud data exfiltration, and hide C2 communications. TLS/SSL inspection is simply no longer optional—it’s a must to protect your users and data.
Traditional firewalls weren’t built to inspect encrypted traffic
TLS/SSL inspection is processor-intensive, and most firewall appliances simply can’t handle it, grinding performance to a halt. As a result, supporting TLS/SSL inspection on an appliance often forces you to provision between 5x and 10x the amount of hardware you would need otherwise.
Full inspection requires a cloud-based proxy architecture
Zscaler Firewall is built on a highly scalable proxy architecture that handles TLS/SSL inspection at scale. Our footprint allows us to process increasing TLS/SSL bandwidth and sessions without costly upgrades or reduced inspection. You get limitless decryption on all ports at a flat per-user cost.
Traditional firewalls have blind spots
Traditional firewalls use IPS and AV to protect against signature-based threats, which make up a fraction of the total threat landscape. But since almost 90% of signatures were written for HTTP and DNS, signature-based protection is no longer enough. To fully inspect HTTP, HTTPS, and DNS traffic, you need a proxy-based architecture.
Protecting your most vulnerable protocols
Zscaler Firewall uses an advanced deep packet inspection engine and proxy-based architecture to proxy everything that appears to be HTTP/HTTPS, DNS, or FTP traffic, regardless of port. That means you’ll find more threats for your most vulnerable protocols, whether your users are at HQ, a branch office, or remote.