Topics
Cross-cutting WAF pricing topics
Pages that span every vendor: pricing models, add-on cost, hidden cost, implementation cost, compliance-driven buying, and the business case. Every claim sourced and dated.
Last verified June 2026
Topics grouped into four buckets: decision frameworks, add-on cost, total cost, and reference. Start with whichever question the buyer in front of you is asking.
Decision frameworks
4 pagesBuying guide
WAF pricing models explained
Per-request vs per-rule vs flat-plan vs per-app vs quote-only. Decision tree by traffic profile.
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Buying guide
WAF cost by organisation size
Startup, SMB, mid-market, enterprise, large enterprise bands with vendor mapping.
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Business case
WAF ROI framework
ROSI applied to WAF spend with a named cost-of-breach dataset and a worked example.
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Compliance
PCI DSS v4 WAF requirement cost
Requirement 6.4.2 made WAF mandatory for in-scope web apps. Minimum compliant setups per vendor.
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Add-on cost
3 pagesAdd-on
Bot management add-on cost
AWS Bot Control vs Cloudflare Bot Management vs Imperva ABP. Cross-vendor cost at 100M req/mo.
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Add-on
API protection add-on cost
Cloudflare API Shield, AWS WAF on API Gateway, Imperva API Security, Wallarm. Pricing transparency varies sharply.
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Service tier
Managed WAF cost
MSSP-fronted WAF service tiers, in-house vs managed tuning labour comparison.
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Total cost
3 pagesTotal cost
Hidden WAF costs
Log ingestion, egress, rule-group fees, professional services. The add-ons that beat the headline rate.
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One-off
WAF implementation cost
Onboarding timeline, ruleset tuning, false-positive triage, cutover labour.
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Build option
Open-source WAF true cost
ModSecurity, OWASP Core Rule Set, Coraza. Infrastructure and engineer labour.
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Last verified June 2026