Protect your website from attacks

Ensure uninterrupted availability, guard sensitive data, and preserve user trust for your business-critical web applications.


In Q1 2024, Cloudflare blocked an average of 209 billion cyber threats each day

Cloudflare protects millions of Internet properties

Here are some you might recognize

Financial and reputational damage from cyber attacks are a constant risk

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Protect your applications and APIs from malicious traffic to keep your business online and reduce operating costs.

Illustration of Cloudflare logo on a shield
Zero-day vulnerability exploits
DoS and DDoS attacks
Brute force attacks
Inventory hoarding
Price scraping
Magecart-style attacks / browser supply chain attacks
Credential stuffing attacks
Cryptographic failures
Cross site scripting (XSS)
SQL injection
Other OWASP Top 10 application attacks
Compare Cloudflare plans for securing websites and applications
Free plan

The basics you need to protect and accelerate your site.

  • Block AI Bots from scraping your site

  • Protect against the most severe vulnerabilities using Cloudflare Free Managed Ruleset

  • Stop illegitimate traffic with unmetered DDos protection

  • Guard all of your content including text, images and email addresses from web scrapers with Cloudflare's ScrapeShield™ service

  • Challenge easy-to-detect bad bots from popular cloud providers


$0/mo
Select Free plan
Pro plan

Scale Your Growth: Keep your visitors coming back for $25/mo. Don't let slow images or security warnings turn customers away. Upgrade to a more reliable, professionally-tuned site that handles the heavy lifting for you.

  • Protect against zero-day and common attacks including OWASP vulnerabilities with WAF

  • Detect stolen and exposed credentials

  • Identify and challenge easy-to-detect bots from any source

  • Increase speed by auto reducing image sizes

  • Prioritize loading of key site assets

  • Optimize the content served by the Cloudflare CDN by using cache analytics

  • Plus, everything in Free


$25/mo
Select Pro plan
Business plan

Keep your digital doors open 24/7 for $250/mo. We provide a 100% uptime guarantee, ensuring your site never goes offline when customers are trying to buy. It’s the ultimate insurance policy for your business's online presence.

  • Protect against unknown application vulnerabilities with WAF

  • Detect 3rd-party scripts on web apps and receive alerts with Page Shield

  • Detect and challenge sophisticated bots with highly variable traffic using machine learning

  • Built in PCI and SOC 2 Type II compliance

  • Guaranteed uptime with 100% service level agreement (SLA)

  • Chat and ticket support

  • Plus, everything in Pro


$250/mo
Select Business plan

Security, Performance, and Reliability - all in one package