Best Suricata Alternatives in 2026
The top Suricata alternatives are Palo Alto Networks Advanced Threat Prevention, Check Point Intrusion Prevention System (IPS) and Trellix Intrusion Prevention System: 15 intrusion detection and prevention software our editors would look at instead of Suricata, in our ranking order.
Suricata: A capable free network IDS and IPS for teams prepared to manage self-hosted deployment. Where it falls short: requires self-hosted network deployment and operational management.
Switching from Suricata? For most intrusion detection and prevention software buyers the best Suricata alternative is Palo Alto Networks Advanced Threat Prevention, built for advanced zero-day and exploit prevention. On a budget, CrowdSec starts at $49/mo. Snort has a free plan.
Why People Look for a Suricata Alternative
- Requires self-hosted network deployment and operational management
- Does not decrypt encrypted traffic for TLS inspection
- Custom detection and rule management may require specialist expertise
Quick Picks by What You Need
- Best overallPalo Alto Networks Advanced Threat Prevention9.1
Advanced zero-day and exploit prevention
Visit Palo Alto Networks Advanced Threat Prevention - Lowest priceCrowdSec7.8
Paid plans from $49/mo
Visit CrowdSec - Best free optionSnort8.4
Has a free plan
Visit Snort
All 15 Suricata Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forAdvanced zero-day and exploit prevention
A strong fit for Palo Alto environments needing inline zero-day and exploit prevention.
- Cloud workload support
- Inline blocking
- Encrypted traffic inspection
9.1/10★★★★★Visit Palo Alto -
Best forEnterprise IPS with mature threat prevention
Enterprise IPS combining signature, behavioral, and virtual patching defenses.
- Cloud workload support
- Inline blocking
- Encrypted traffic inspection
8.9/10★★★★☆Visit Check Point -
Best forBroad hybrid IPS and malware defense
A broad hybrid IPS for organizations needing inline blocking and malware defense.
- Cloud workload support
- Inline blocking
- Encrypted traffic inspection
8.8/10★★★★☆Visit Trellix -
Best forNetwork appliances with detailed IPS controls
A focused network IPS for appliance-based deployments and granular policy control.
- Inline blocking
- Encrypted traffic inspection
- Threat intelligence
8.6/10★★★★☆Visit AhnLab -
Best forAppliance-based network threat prevention
A broad appliance IPS for inline blocking, encrypted traffic inspection, and centralized control.
- Inline blocking
- Encrypted traffic inspection
- Threat intelligence
8.5/10★★★★☆Visit Hillstone -
Best forLinux teams seeking low-cost Snort-based detection
A low-cost Snort engine with inline blocking and flexible packet analysis.
- Inline blocking
- Encrypted traffic inspection
- Threat intelligence
8.4/10★★★★☆Visit Snort -
Best forOpen-source Suricata monitoring and hunting
A free Suricata stack for network detection, hunting, dashboards, and packet analysis.
- Inline blocking
- Encrypted traffic inspection
- Threat intelligence
8.3/10★★★★☆Visit SELKS -
Best forCloud IPS for distributed user traffic
A cloud IPS for distributed users with inline detection, TLS inspection, and security integrations.
- Inline blocking
- Encrypted traffic inspection
- Threat intelligence
8.2/10★★★★☆Visit Zscaler -
Best forHigh-capacity network security appliances
A high-capacity appliance combining inline prevention, inspection, and centralized security management.
- Inline blocking
- Encrypted traffic inspection
- Threat intelligence
8.0/10★★★★☆Visit Huawei -
Best forAffordable multi-scope detection with threat sharing
A multi-scope, open-source IDS/IPS with free detection and paid threat-intelligence options.
- Cloud workload support
- Inline blocking
- Threat intelligence
7.8/10★★★★☆Visit CrowdSec -
Best forStraightforward appliance IPS deployment
A focused appliance IPS with SSL inspection, virtual patching, and weekly signatures.
- Inline blocking
- Encrypted traffic inspection
7.6/10★★★★☆Visit Zyxel -
Best forUsage-priced IPS inside AWS networks
A usage-priced AWS firewall with deep inspection, TLS controls, and Suricata-compatible IPS rules.
7.5/10★★★★☆Visit site -
Best forAzure-native cloud IPS
A focused Azure-native IPS for traffic inspection, filtering, and centralized firewall management.
7.4/10★★★★☆Visit Microsoft -
Best forHybrid IPS with automation and cloud support
A hybrid firewall and IPS suite with cloud support, automation, and broad controls.
7.3/10★★★★☆Visit FortiGate -
Best forOpen-source firewall with integrated Suricata IPS
A free, open-source firewall with integrated Suricata intrusion detection and prevention.
7.2/10★★★★☆Visit OPNsense
Suricata Alternatives: Common Questions
What is the best alternative to Suricata?
Palo Alto Networks Advanced Threat Prevention: #2 in our Intrusion Detection and Prevention Software ranking, with an editor score of 9.1 out of 10. A strong fit for Palo Alto environments needing inline zero-day and exploit prevention.
Is there a free alternative to Suricata?
Yes. Snort, SELKS, CrowdSec and OPNsense have a free plan or a free tier.
Why do people look for Suricata alternatives?
Requires self-hosted network deployment and operational management; Does not decrypt encrypted traffic for TLS inspection; Custom detection and rule management may require specialist expertise.
How do I switch from Suricata?
Export your data from Suricata (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Suricata.
How to Switch from Suricata
- Export your data from Suricata (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel Suricata.
Suricata vs Each Alternative
| # | Tool | Free plan | Paid from | Deployment model | Network scope | Inline blocking | Encrypted traffic inspection | Score |
|---|---|---|---|---|---|---|---|---|
| 1 | Suricata | Yes | Free | Software | Network | Yes | Yes | 9.3 |
| 1 | Palo Alto Networks Advanced Threat Prevention | No | $0.009/GB usage-based | Hybrid | Multi-scope | Yes | Yes | 9.1 |
| 2 | Check Point Intrusion Prevention System (IPS) | Hybrid | Multi-scope | Yes | Yes | 8.9 | ||
| 3 | Trellix Intrusion Prevention System | Hybrid | Multi-scope | Yes | Yes | 8.8 | ||
| 4 | AhnLab AIPS | Appliance | Network | Yes | Yes | 8.6 | ||
| 5 | Hillstone Network Intrusion Prevention System | Appliance | Network | Yes | Yes | 8.5 | ||
| 6 | Snort | Yes | $29.99/device/yr | Software | Network | Yes | Yes | 8.4 |
| 7 | SELKS | Yes | Free | Software | Network | Yes | Yes | 8.3 |
| 8 | Zscaler Cloud IPS | Cloud | Network | Yes | Yes | 8.2 | ||
| 9 | Huawei HiSecEngine USG6800G | Appliance | Network | Yes | Yes | 8.0 | ||
| 10 | CrowdSec | Yes | $49/mo | Hybrid | Multi-scope | Yes | 7.8 | |
| 11 | Zyxel Intrusion Prevention System | Appliance | Network | Yes | Yes | 7.6 | ||
| 12 | AWS Network Firewall | No | $0.07/GB usage-based | Cloud | 7.5 | |||
| 13 | Azure Firewall Premium | No | Cloud | 7.4 | ||||
| 14 | FortiGate | No | Hybrid | 7.3 | ||||
| 15 | OPNsense | Yes | Hybrid | 7.2 |
Head-to-Head
- Suricata vs Palo Alto Networks Advanced Threat Prevention
- Suricata vs Check Point Intrusion Prevention System (IPS)
- Suricata vs Trellix Intrusion Prevention System
- Suricata vs AhnLab AIPS
- Suricata vs Hillstone Network Intrusion Prevention System
- Suricata vs Snort
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update