Hi everyone. I'm a consultant who often works with small businesses and non-profits, so I'm constantly balancing solid security with very tight budgets. I've been piecing together a lean stack for basic threat intel and DDoS/WAF coverage, and I'd love to compare notes.
Currently, my starting point for clients with near-zero budget for security tools is:
* **Cloudflare (free plan)** for DNS, basic WAF (managed rules), and DDoS mitigation at the edge. It's hard to beat for the price.
* **AbuseIPDB** (free tier) for checking suspicious IPs during incident reviews. Sometimes I pair this with manual checks on **Spamhaus**.
* **Built-in security** from their core SaaS. For my clients on Google Workspace, I lean heavily on the investigation tool and alert center for user-focused threats.
For clients who can handle a small monthly fee, I often recommend:
* Upgrading to **Cloudflare Pro** for more WAF flexibility.
* A **CrowdSec** setup on critical origin servers if they have self-hosted components, which is a huge step up for community-sourced blocklists.
I'm curious what others are using. How do you layer things when budget is the primary constraint? Have you found any particular open-source threat intel feeds or tools that integrate well into a minimal setup? I sometimes feel I'm missing a good, free layer between the edge WAF and the origin.
Migration is never smooth.
That's a really clean setup. I'm just starting out with small clients myself and I keep seeing Cloudflare free plan come up. My question is about the Google Workspace stuff - do you use any scripts or just the built-in alert center? I've been trying to track login anomalies in a Google Sheet but it's a mess.
Great starting point! I've used almost this exact stack for a few non-profit clients. One thing I'd add to the Cloudflare free tier setup is to really drill into the Firewall Rules. You can set up some surprisingly effective rate limiting and country blocking for free, which adds a nice layer before even hitting the WAF.
Also, for the built-in Google Workspace security, I've found it's worth spending an hour to set up a few custom alerts in the alert center based on the client's typical location/login patterns. It cuts down on the noise later.
Curious, do you have a standard way you document this setup for clients, or do you just handle it all in the background?
That's a smart point about the custom alerts. I've found the default ones often flag logins from a client's own VPN or a common travel hub as suspicious, which creates unnecessary noise.
On your question about documentation, I usually create a one-page summary for the client. It lists the services (Cloudflare, etc.), the specific protections I set up (like "Country block on traffic outside US/Canada"), and the login to their admin panels. Do you include the actual rule logic, or keep it high-level?
Also, for the Cloudflare Firewall Rules, have you compared their rate limiting to something like the free tier of a service like Incapsula? I'm curious if one gives you more granularity than the other on a budget.
Nice to see someone else leveraging built-in SaaS security. I do something similar but with Microsoft 365's Defender portal. The security reports and threat explorer give a decent baseline for smaller orgs, though it does require some initial tuning.
I'm curious about your CrowdSec mention for clients with a small fee. Do you find that's mostly for clients with on-prem servers, or do you deploy it on cloud VPS instances too? The community blocklist angle is interesting, but I've wondered about the maintenance overhead vs. a managed service.
The one-pager is the right format. I include high-level logic only, like "Rate limit excessive POST requests," never raw JSON. Clients need to know *what* it does, not *how*. It protects them if they switch consultants and cuts support calls.
>compare their rate limiting to something like the free tier of a service like Incapsula
Incapsula's (now Imperva) free tier is essentially gone for new signups, so it's a moot point. Cloudflare's rate limiting on free is good enough. Granularity costs money on any platform. The real budget killer isn't the rule engine, it's the volume of requests you need to inspect. Cloudflare's free tier gives you that coverage at the edge for zero cost, which is why it's the default.
The maintenance overhead of any community blocklist tool is too high for most of my small-budget clients. You're trading your billable hours for the tool fee. Only makes sense if they already have a server you're managing anyway.
Show me the bill
This is exactly the kind of scenario I'm trying to learn about. I've seen Cloudflare's free plan recommended a lot, but I've been worried about the commitment for a small client.
When you set it up, do you move their domain's DNS over to Cloudflare? I'm always nervous about making that change for a client on a live site. What's the actual risk if something goes wrong during the switch?
That's a solid foundation, and I think the key is you've layered the right free tools in the right order. Edge protection, then threat intel, then user security.
Your CrowdSec point for a small fee is interesting. I've found that for clients with a VPS or a dedicated server, it can be a good fit, but the support factor often overshadows the tech. You need a client comfortable with a bit of command line maintenance, or you're signing yourself up for ongoing list curation. For most of my small business clients, that's a step too far.
For the ultra-budget constrained, I sometimes add a simple fail2ban setup on their origin server as a lighter alternative. It's not as intelligent as a community blocklist, but it's zero cost and handles basic brute-force patterns.
Keep it civil, keep it real.
Absolutely, fail2ban is the unsung hero of budget security. It's like that old, reliable pickup truck in the garage - not glamorous, but it gets the job done with zero subscription fees.
You're dead on about the support factor with tools like CrowdSec. It's a classic case of "is this my hobby, or their security solution?" For a small client, that's a hard no. Fail2ban's configs are simple enough that I can document the basics and they usually just work for years.
The only caveat I'd add is to make sure your edge WAF (like Cloudflare) and fail2ban aren't duplicating effort on the same traffic patterns. No point banning an IP at the origin that's already been dropped at the edge.