Protecting Your AWS Infrastructure from Web and Network Threats

A quick look at protecting your AWS applications from unwanted, unexpected, or disruptive internet traffic.

Introduction

Your application may be running normally, but once it is exposed to the internet, it is always receiving traffic. Some comes from real users; some may be unwanted or disruptive.

Without proper protection, "background noise" from the internet can quietly affect your performance, availability, and stability.

The Challenge

Internet-facing systems are always accessible, which means:

• Trust is not a default: Incoming traffic cannot always be trusted.
• Volume is unpredictable: Request volume can spike suddenly.
• Exposure is a target: Entry points need active control to prevent misuse.

These aren't just security risks; they are operational risks that can be managed by adding protection layers before traffic even reaches your application.

Key Protection Layers

To reduce risk, protection layers should be added before traffic ever reaches your application.

Goal	AWS Service	What it does
Filter Web Requests	AWS WAF	Blocks bots, suspicious patterns, and unwanted web traffic.
Handle Traffic Spikes	AWS Shield	Protects against DDoS events to keep your site online.
Inspect Network	Network Firewall	Monitors and filters all traffic entering your environment.
Manage Entry Points	Load Balancers	Acts as a controlled "Front Door" for all incoming users.

Don’t ignore staging or test environments

Protection should not only exist in production. Old domains, temporary test servers, and staging sites are often the "forgotten" doors that stay unlocked. If it’s on the internet, it needs the same protection as production.

Why This Matters

Unwanted traffic can cause slow response times, failed requests, or higher-than-expected costs. To a user, this looks like an unreliable app. To a business, it looks like a loss of trust.

Traffic protection isn't just about stopping "hackers". It's about ensuring your system stays stable and cost-effective.

30-Second Audit

Ask these quick questions to see where you stand:

• Exposure: Which applications are currently exposed to the internet?
• Filtering: Is AWS WAF protecting your public-facing APIs?
• Spikes: Do you have protection against sudden high-traffic events?
• Entry Points: Are you using load balancers, or are servers exposed directly?
• Shadow IT: Are your non-production environments just as protected as production?