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Alternatives · 2026

The best Atomic OSSEC alternatives

The rest of Best Intrusion Detection and Prevention Software, in this site's order: each with what it costs, where it runs and its record score.

1
CrowdSec

CrowdSec suits teams seeking to detect or block malicious IP activity across infrastructure and applications.

iPhone & iPadWebWindows+5 $49 a month Record6.5 Visit
2
Wazuh

Wazuh describes its users as ranging from individuals and small businesses to large enterprises.

WebWindowsMac+3 $571 a month Record6.3 Visit
3
OSSEC

OSSEC suits teams that need host and network-component monitoring across multiple operating systems, including for PCI or HIPAA requirements.

WindowsMacLinux+2 $55 a year Record6.1 Visit
4
IPFire

IPFire is presented for individuals, businesses, and organizations managing networks from home offices to global enterprises.

WebLinuxAPI+1 $1,099 a year Record6.0 Visit
5
OPNsense

OPNsense suits administrators seeking a self-hosted firewall and routing platform with VPN, failover, and intrusion-prevention capabilities.

AndroidiPhone & iPadWeb+2 Free plan Record6.0 Visit
6
pfSense

pfSense suits home and remote workers, businesses, government, education and service providers seeking firewall and routing software.

WebLinuxSelf-hosted Free plan Record5.7 Visit
7
SELKS

SELKS may suit small-to-medium organizations and practitioners, researchers, educators, students, or hobbyists exploring Suricata.

WebWindowsLinux+1 Free plan Record5.1 Visit
8
Arista NG Firewall

It suits organizations managing network security and traffic across hybrid deployments.

Web Free plan Record5.0 Visit
9 LinuxSelf-hosted $29.99 a year Record5.0 Visit
10 WindowsMacLinux Free plan Record4.9 Visit
11 Windows $79.95 one-time Record4.4 Visit
12
Securepoint RC1000R G6

This appliance suits medium-sized companies, public authorities, and medical facilities securing networks for up to 1,000 users.

AndroidiPhone & iPadWeb+1 — Record4.4 Visit
13
scanlogd

It suits Linux administrators and self-hosted operators who need TCP port scan detection.

LinuxSelf-hosted Free plan Record4.3 Visit
14 WebWindowsMac+3 — Record4.2 Visit
15
Forcepoint Next Generation Firewall

It is positioned for large enterprises, campus networks, data centers, offices, branches, remote sites, and stores that need network security and…

AndroidWindowsMac+3 — Record4.2 Visit
16
Stormshield Management Center

SMC suits administrators responsible for multi-site networks built around Stormshield SNS firewalls.

WebLinuxAPI+1 — Record4.2 Visit
17 WebAPI $0.07 usage-based Record4.1 Visit
18 WebLinuxAPI — Record4.0 Visit
19 WebAPISelf-hosted — Record4.0 Visit
20 WebLinuxAPI+1 — Record3.9 Visit
21 Self-hosted — Record3.8 Visit
22
Huawei HiSecEngine USG6800G

It suits organizations seeking centralized network security for branches, campuses, or data centers.

Web — Record3.7 Visit
23
Juniper Security Director

This product suits organizations managing Juniper SRX firewalls across on-premises, cloud, or hybrid environments.

WebSelf-hosted — Record3.7 Visit
24 WebAPI — Record3.6 Visit