Do I need a CDN with WAF and DDoS protection or is that overkill?

It depends on what you’re protecting and what kind of traffic you expect — but for most public websites and APIs, a CDN with WAF and DDoS protection is not overkill. It’s often a very sensible default.

When it’s worth it

Use a CDN + WAF + DDoS protection if you have any of these:

• A public-facing site or API
• Login pages, forms, checkout, or user uploads
• A business that can’t afford downtime
• Any sensitive data or compliance requirements
• Traffic from multiple regions
• A need to reduce load on your origin server
• Concern about bots, scraping, credential stuffing, or basic attacks

What each part does

• CDN: Speeds up content delivery and offloads your origin
• WAF: Helps block common web attacks like SQL injection, XSS, bad bots, suspicious requests
• DDoS protection: Helps absorb or mitigate traffic floods that could take your service down

When it may be overkill

You might not need the full stack if:

• It’s a small internal tool only reachable on a private network
• Your app is not public
• You’re doing a very early prototype with no real users
• Your traffic is tiny and the app can tolerate occasional downtime

Practical rule of thumb

If the app is:

• Public and important: yes, use it
• Public but low-stakes: at least a CDN and basic WAF protections
• Private/internal: probably unnecessary

Cost/complexity tradeoff

The main downside is:

• Extra configuration
• Some false positives from the WAF
• Added cost

But for most internet-facing apps, the protection and performance gains are usually worth it.

If you want, I can help you decide based on your exact setup — for example: static site, SaaS app, API, internal tool, expected traffic, and budget.