Cloudflare

VS

Nessus

Cybersecurity Comparison

Cloudflare vs Nessus: Side-by-Side Comparison

Cloudflare
Nessus
Rating
★★★★★★★★★★
4.7/5
★★★★★★★★★★
4.6/5
Free Tier
Yes
Yes
Trial Days
None
7-day trial
Pricing
Free; Pro from $20/month
Nessus Essentials free; Professional from $3,990/yr per scanner
Company
Cloudflare Inc.
Tenable
Founded
2009
1998
Best For
Website owners needing enterprise-grade DDoS protection and CDN on any budget
Vulnerability management teams needing the most comprehensive CVE scan coverage

Pros & Cons

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Cloudflare

Free tier covers unlimited websites with DDoS protection and CDN
Zero Trust Network Access replaces traditional VPN with identity-based access
Magic Transit provides network-layer DDoS protection for entire IP ranges
Workers platform enables serverless edge security logic globally
One-point-one-point-one-point-one DNS resolver blocks malware domains free
Advanced features like Load Balancing and Argo require paid plans
Support is email-only unless on Business or Enterprise tier

Nessus

Over 170,000 plugins covering the most vulnerability checks of any scanner
Compliance audits check configurations against CIS, DISA STIG, and PCI DSS
Agentless scanning requires no software installed on target systems
Nessus Essentials is free for up to 16 IP addresses for learning use
Plugin update frequency averages less than 24 hours for new CVE coverage
Essentials free tier limited to 16 IPs making it impractical for real networks
False positives require manual verification before presenting to clients

Use Case Analysis

Which is better for Endpoint Security?

Both Cloudflare and Nessus support Endpoint Security workflows. Cloudflare has a slight edge with a 4.7 rating and Largest global network providing DDoS mitigation and CDN at zero cost for basic use. If Endpoint Security is your primary use case, Cloudflare is the safer pick.

Which is better for Privacy?

Both Cloudflare and Nessus support Privacy workflows. Cloudflare has a slight edge with a 4.7 rating and Largest global network providing DDoS mitigation and CDN at zero cost for basic use. If Privacy is your primary use case, Cloudflare is the safer pick.

Which is better for Encryption?

Both Cloudflare and Nessus support Encryption workflows. Cloudflare has a slight edge with a 4.7 rating and Largest global network providing DDoS mitigation and CDN at zero cost for basic use. If Encryption is your primary use case, Cloudflare is the safer pick.

Which is better for Antivirus?

Both Cloudflare and Nessus support Antivirus workflows. Cloudflare has a slight edge with a 4.7 rating and Largest global network providing DDoS mitigation and CDN at zero cost for basic use. If Antivirus is your primary use case, Cloudflare is the safer pick.

Which is better for Two Factor Authentication?

Both Cloudflare and Nessus support Two Factor Authentication workflows. Cloudflare has a slight edge with a 4.7 rating and Largest global network providing DDoS mitigation and CDN at zero cost for basic use. If Two Factor Authentication is your primary use case, Cloudflare is the safer pick.

Verdict

Cloudflare edges out Nessus with a 4.7 vs 4.6 rating. Cloudflare's main advantage: Largest global network providing DDoS mitigation and CDN at zero cost for basic use. That said, Nessus may still be the better choice if Vulnerability management teams needing the most comprehensive CVE scan coverage.

Try Them Yourself

The best way to choose is to trial both. See full details on each:

Try Free Try Nessus

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