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BitNinja

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Spec score 9.4 #1 of 35 in Web Application Firewall Software

What it is

BitNinja is a Linux server security suite managed from a centralized dashboard. Its scanner monitors web files and uses cloud AI analysis to detect malicious PHP, webshells, and backdoors, with automatic quarantine available. The web application firewall inspects HTTP traffic and blocks SQL injection, XSS, CMS exploits, and other suspicious requests before they reach websites. BitNinja says its Defense Network shares attack information across protected Linux servers to block malicious IPs. Listed integrations include 360 Monitoring, cPanel, Plesk, DirectAdmin, Enhance, ISPmanager, and REST API endpoints. The site lists compatibility with Apache, NGINX, LiteSpeed, OpenLiteSpeed, Ubuntu, Debian, AlmaLinux, Red Hat, CentOS, and VzLinux. Intended users include hosting providers, server owners, VPS operators, and shared or dedicated server operators. Pricing is freemium, with a free plan, a 7-day trial, and paid access from $8/mo. The VPS Free plan is free for up to 2 vCPU, up to 2 GB RAM, and up to 10 hosted users. BitNinja is headquartered in Debrecen, Hungary.

Spec sheet

What it does
BitNinja is a centralized security suite for Linux servers that combines malware scanning, IP reputation, WAF protection and a shared defense network.Read 15 Oct 2026 · bitninja.com
Product
BitNinja is a Linux server security suite managed from a centralized dashboard.Read 7 Oct 2026 · bitninja.com
Intended users
BitNinja describes itself as designed for hosting providers, server owners, VPS operators, shared servers and dedicated servers.Read 7 Oct 2026 · bitninja.com
Trial
Paid Server Protection plans start with a full-functionality seven-calendar-day trial after installation, with no payment information needed to start.Read 7 Oct 2026 · bitninja.com
API
BitNinja provides a public REST API v2 documented with Swagger; authentication can use BitNinja credentials or a license key.Read 15 Oct 2026 · doc.bitninja.io
Integrations
Listed integrations include 360 Monitoring, cPanel, Plesk, DirectAdmin, Enhance, ISPmanager and REST API endpoints.Read 7 Oct 2026 · bitninja.com
Mobile apps
BitNinja offers Android and iPhone/iPad apps for monitoring servers, receiving alerts and initiating malware scans.Read 15 Oct 2026 · bitninja.com
Support
The small-business page says its premium support team is available 24/7 for setup, alerts and questions.Read 7 Oct 2026 · bitninja.com
Headquarters
Debrecen, HungaryRead 28 Sep 2026 · bitninja.com
Central dashboard
A cloud dashboard manages multiple servers and exposes security status and support access from one console.Read 15 Oct 2026 · bitninja.com
CLI
Its command-line interface manages modules, block and allow lists, challenge lists, licenses, status, configuration and updates.Read 15 Oct 2026 · doc.bitninja.io
Company founding
LinkedIn lists the company as founded in 2014.Read 15 Oct 2026 · linkedin.com
Company headquarters
LinkedIn lists Debrecen, Hungary as headquarters.Read 15 Oct 2026 · linkedin.com
Company size
LinkedIn lists BitNinja Security as having 11–50 employees.Read 15 Oct 2026 · linkedin.com
Compatibility
The site lists Apache, NGINX, LiteSpeed, OpenLiteSpeed, Ubuntu, Debian, AlmaLinux, Red Hat, CentOS and VzLinux compatibility.Read 7 Oct 2026 · bitninja.com
Control panels
Supported control-panel integrations include cPanel, Plesk, DirectAdmin, Enhance and ISPmanager.Read 15 Oct 2026 · bitninja.com
Defense Network
The company says its community defense list contains more than 100 million IP addresses and shares attack information between servers.Read 15 Oct 2026 · bitninja.com
Documentation
The documentation includes installation, system requirements, module references, API usage, CLI commands, FAQs and a dated changelog.Read 15 Oct 2026 · doc.bitninja.io
Installation
The documented universal installer is a one-line curl command that detects the Linux distribution and installs the agent using a license key.Read 15 Oct 2026 · doc.bitninja.io
IP reputation
The service uses real-time threat intelligence shared across protected servers to block malicious IP addresses.Read 15 Oct 2026 · bitninja.com
Latest documented release
The changelog lists BitNinja Linux Agent 3.17.8 as a frequent-beta release dated 9 October 2026.Read 15 Oct 2026 · docs.bitninja.io
Legal developer name
Google Play identifies the developer as BitNinja Technologies Zártkörűen Működő Részvénytársaság, with a Debrecen, Hungary address.Read 15 Oct 2026 · play.google.com
Licence
BitNinja’s terms state that its software and intellectual property belong to BitNinja and grant users usage rights, indicating proprietary software rather than open source.Read 15 Oct 2026 · downloads.bitninja.io
Lightweight agent
BitNinja describes its server agent as designed for low CPU and memory consumption.Read 15 Oct 2026 · bitninja.com
Limit: false positives
A G2 reviewer reports too many false positives and repeated logging configuration work.Read 15 Oct 2026 · g2.com
Limit: missing firewall and licensing options
A G2 reviewer says a dedicated firewall option and a stronger bulk or partner licensing program are missing.Read 15 Oct 2026 · g2.com
Limit: release and notification problems
A Trustpilot reviewer alleges inadequately tested releases, insufficient customer notification, recurring issues after fixes and exposure of other customers’ notifications.Read 15 Oct 2026 · trustpilot.com
Limit: resource usage
Several G2 reviews report increased CPU, disk or server load, including slower boot or performance during scanning.Read 15 Oct 2026 · g2.com
Linux compatibility
Documented distributions include CentOS, CloudLinux, Debian, Ubuntu, Red Hat, AlmaLinux, VzLinux, Rocky Linux and Amazon Linux 2, all 64-bit ranges specified by BitNinja.Read 15 Oct 2026 · doc.bitninja.io
Malware detection
Its AI cloud scanner offers quick and deep scans intended to detect known, polymorphic and zero-day malware.Read 15 Oct 2026 · bitninja.com
Malware scanning
Its scanner monitors web files and uses cloud AI analysis to detect malicious PHP, webshells and backdoors, with automatic quarantine available.Read 7 Oct 2026 · bitninja.com
Monitoring integration
A built-in 360 Monitoring connector sends BitNinja incidents and health information into monitoring dashboards.Read 15 Oct 2026 · bitninja.com
Notable release change
Version 3.16.10 added PCI-compliance handling for WAF3 and improved CAPTCHA bypass behavior and gzip compression.Read 15 Oct 2026 · docs.bitninja.io
Operational limitation
BitNinja says services are unavailable to customers in Cuba, Iran, North Korea and Syria due to sanctions restrictions.Read 7 Oct 2026 · bitninja.com
Praise: malware and filtering
Individual G2 reviewers praise the antimalware capability, malicious-IP filtering, broad Linux compatibility and clean interface.Read 15 Oct 2026 · g2.com
Praise: usability and support
G2’s review summary says users repeatedly praise straightforward installation, ease of use, effective protection and support.Read 15 Oct 2026 · g2.com
Rating on Apple App Store
No displayed rating because the app has not received enough ratings or reviews.Read 15 Oct 2026 · apps.apple.com
Rating on G2
4.6 out of 5 from 25 reviews.Read 15 Oct 2026 · g2.com
Rating on GetApp
0 out of 5 from 0 reviews; the listing states no reviews.Read 15 Oct 2026 · getapp.com
Rating on Google Play
The listing shows 100+ downloads but does not expose a numerical rating or review count in the opened page.Read 15 Oct 2026 · play.google.com
Rating on Software Advice
0 out of 5 from 0 reviews; the listing states no reviews yet.Read 15 Oct 2026 · softwareadvice.com
Rating on Trustpilot
3.1 out of 5 from 3 reviews.Read 15 Oct 2026 · trustpilot.com
Security and privacy
Its privacy policy says personal-data processing is subject to GDPR and Brazil’s LGPD and states compliance with California’s CCPA.Read 7 Oct 2026 · bitninja.com
Security claims
The official site displays AICPA SOC, EU GDPR, CCPA and Privacy Shield compliance or certification badges.Read 15 Oct 2026 · bitninja.com
System requirements
Minimum Linux requirements are 2 GB RAM, a single-core CPU, 1 GB storage and internet access; ARM CPUs are unsupported.Read 15 Oct 2026 · doc.bitninja.io
Threat hunting access
The terms say BitNinja threat hunters may gain root-level access to a protected server through the security agent when investigating an unknown threat.Read 7 Oct 2026 · bitninja.com
Web application firewall
The WAF blocks SQL injection, XSS, CMS exploits and malicious requests, with rules for WordPress, Drupal and Joomla.Read 15 Oct 2026 · bitninja.com
Web firewall
The WAF inspects HTTP traffic and blocks SQL injection, XSS, CMS exploits and other suspicious requests before they reach websites.Read 7 Oct 2026 · bitninja.com
Windows support
BitNinja for Windows is described as an early-alpha product with development paused and no stated ETA; requirements include Windows Server 2012 R2 or newer and 2 vCPU.Read 15 Oct 2026 · doc.bitninja.io

Plans and prices

VPS Free Free per server ≤2 vCPU · ≤2 GB RAM · up to 10 hosted users Read 15 Oct 2026 · bitninja.com
VPS 6 $6 a month monthly per server; regular price $8/mo ≤4 vCPU · ≤8 GB RAM · up to 10 hosted users Read 15 Oct 2026 · bitninja.com
Solo $9 a month monthly per server; regular price $16/mo · bulk ≥5 servers $5/mo up to 1 hosted user Read 15 Oct 2026 · bitninja.com
Standard $19 a month monthly per server; regular price $29/mo · bulk ≥5 servers $12/mo 2–40 hosted users Read 15 Oct 2026 · bitninja.com
Pro $29 a month monthly per server; regular price $42/mo · bulk ≥5 servers $16/mo 41–250 hosted users Read 15 Oct 2026 · bitninja.com
Unlimited $39 a month monthly per server; regular price $52/mo · bulk ≥5 servers $23/mo unlimited hosted users Read 15 Oct 2026 · bitninja.com

Every BitNinja plan and price →

Strong points and limits

Strong points

  • Scans web files for malicious PHP, webshells, and backdoors.
  • WAF blocks SQL injection, XSS, and CMS exploits.
  • Automatic quarantine is available.
  • Defense Network shares attack information across protected Linux servers.
  • Includes a free plan and 7-day trial.

Limits

  • Services are unavailable to customers in Cuba, Iran, North Korea, and Syria.
  • Threat hunters may gain root-level access during investigations.
  • VPS Free is limited to 2 vCPU and 2 GB RAM.

Who it suits

BitNinja is aimed at hosting providers, server owners, VPS operators, and operators of shared or dedicated servers. Its listed compatibility covers multiple web servers and Linux distributions.

BitNinja in depth

Read the full write-up

BitNinja is a server-security suite for hosting providers, VPS operators and others responsible for Linux servers and hosted websites. Its strongest case is combining web-file scanning, traffic filtering and shared IP defenses in one dashboard; it is not a general-purpose security tool for personal devices.

Overview

BitNinja brings several server defenses together: it scans web files for malicious PHP, webshells and backdoors, filters suspicious HTTP requests, and uses shared attack information to block malicious IPs. Automatic quarantine and remediation can help contain detected threats, which is useful for operators managing websites as well as servers. The product’s focus is infrastructure protection, so readers seeking antivirus for a personal phone or desktop should look elsewhere.

Key features

Web-file scanning: Cloud AI analysis looks for malicious PHP, webshells and backdoors. Quick and scheduled scans, plus automatic quarantine and remediation, suit operators who want both detection and a response path.

Web application firewall: The WAF inspects HTTP traffic and blocks SQL injection, XSS, CMS exploits and other suspicious requests before they reach websites. That makes it relevant to site operators, but not a replacement for device protection.

Shared IP defenses: The Defense Network shares attack information across protected Linux servers to block malicious IPs. This adds a collective layer alongside the scanner and WAF.

Hosting integrations and compatibility: Integrations include 360 Monitoring, cPanel, Plesk, DirectAdmin, Enhance, ISPmanager and REST API endpoints. Compatibility includes Apache, NGINX, LiteSpeed and OpenLiteSpeed, along with Ubuntu, Debian, AlmaLinux, Red Hat, CentOS and VzLinux.

Operational considerations: Premium support is described as available 24/7 for setup, alerts and questions. BitNinja says personal-data processing is subject to GDPR and Brazil’s LGPD and states compliance with California’s CCPA. Services are unavailable to customers in Cuba, Iran, North Korea and Syria due to sanctions restrictions. Its terms also say threat hunters may gain root-level access through the security agent when investigating an unknown threat, a significant consideration for teams with strict server-access controls.

Pricing

BitNinja uses a freemium model, with paid plans advertised from $8/mo and a 7-day trial. The plan figures and page display do not align: VPS 6 is $6 a month and also shows $8; Solo is $9 a month and also shows $16; Standard is $19 a month and also shows $29; Pro is $29 a month and also shows $42; Unlimited is $39 a month and also shows $52. Confirm the applicable price before committing.

VPS Free — free: Limited to 2 vCPU, 2 GB RAM and up to 10 hosted users. It is the lowest-risk starting point for a small VPS that fits those caps; servers beyond them need another plan.

VPS 6 — $6 a month: Covers up to 4 vCPU, 8 GB RAM and 10 hosted users. It suits a modest VPS that has outgrown the free resource limits, but keeps the same hosted-user cap.

Solo — $9 a month: Supports up to one hosted user, making it the focused option for a single-user server. Bulk pricing for five or more servers is $5 /mo.

Standard — $19 a month: Covers 2–40 hosted users, with bulk pricing of $12 /mo for five or more servers. It fits hosting workloads beyond Solo’s single-user ceiling.

Pro — $29 a month: Covers 41–250 hosted users; bulk pricing for five or more servers is $16 /mo. It is aimed at larger hosted-user counts than Standard.

Unlimited — $39 a month: Has unlimited hosted users, with bulk pricing of $23 /mo for five or more servers. It is the straightforward fit when the lower user ceilings are too restrictive.

Paid Server Protection plans start with a full-functionality seven-calendar-day trial after installation, and no payment information is needed to start. The free plan’s CPU, memory and hosted-user caps are explicit trade-offs; the available plan terms do not state renewal details.

Platforms

BitNinja lists Android, iOS, Linux, self-hosted, web and API platforms, but its product is a Linux server security suite. The listed server and web-server compatibility—Ubuntu, Debian, AlmaLinux, Red Hat, CentOS and VzLinux, plus Apache, NGINX, LiteSpeed and OpenLiteSpeed—is most relevant to hosting environments. The mobile platform labels should not be read as evidence of general-purpose mobile protection.

Who it's for

Hosting providers, server owners and VPS operators are the clearest audience, particularly those managing shared or dedicated servers and hosted websites. The mix of web-file scanning, WAF controls and shared IP intelligence is suited to infrastructure teams seeking several server defenses under one dashboard. It is a weaker fit for individuals seeking desktop or mobile antivirus, and the root-level threat-hunting access may not suit organizations that cannot allow that access during investigations.

Pros and cons

Pros

Multiple server defenses in one suite: Scanning, HTTP filtering and shared IP intelligence address different parts of website and server security.

Automated response options: Quarantine and remediation can reduce manual handling after detections.

Hosting-oriented compatibility: Named control panels, APIs and common web servers make the product relevant to hosting operations.

Free entry and trial: A capped free plan and seven-day full-functionality trial without payment details allow evaluation before a paid commitment.

Cons

Free plan has tight resource ceilings: Servers above 2 vCPU or 2 GB RAM, or with more than 10 hosted users, exceed its stated limits.

Published price displays differ: Several plan prices have a second, higher figure shown, so buyers should confirm which amount applies.

Threat investigations can involve root access: Teams with restrictive access policies may consider that unacceptable.

Not for personal-device security: Its product focus is Linux servers and hosted websites, not phones or desktops.

Alternatives

For a broader comparison of tools in adjacent categories, see Malware Removal Software and Web Application Firewall Software.

Certo AntiSpy is a freemium choice for spyware detection, threat removal and privacy audits on Android, iOS, macOS and Windows; choose it instead when those personal-device platforms are the priority.

ESET Mobile Security for Android is a freemium Android option with a free basic tier and a premium tier; choose it instead for Android smartphone or tablet security.

Microsoft Quick Assist is free and oriented to support interactions on Windows, macOS and web; choose it instead when remote support, rather than server defense, is the need.

Comodo Internet Security is a freemium Windows security option with antivirus, firewall and security features; choose it instead for Windows protection.

Dr.Web LiveDisk is a free Linux and Windows system-recovery option using a DVD or USB drive; choose it instead for recovery media rather than ongoing server protection.

Malwarebytes Premium is a freemium option spanning Android, extension, iOS, macOS and Windows; consider it instead for those platforms.

Spybot – Search & Destroy is a freemium Windows option with scanning, removal, rootkit scanning and system immunization; choose it instead for those desktop tasks.

ClamAV is a free, open-source antivirus engine for Linux, macOS, Windows, API and self-hosted environments; choose it instead when a free antivirus engine is the priority.

Verdict

BitNinja is a strong fit for hosting providers and server operators who want web-file scanning, a WAF and shared IP defenses in one Linux-focused suite. Its automated response options and hosting compatibility strengthen the case, but the free plan’s caps, price-display discrepancies and potential root-level threat-hunting access deserve attention. Choose it for managed server security; look elsewhere for personal-device protection or where investigator root access is not acceptable.

Verdict

BitNinja combines file scanning, web traffic filtering, and shared IP threat information for Linux server environments. Review the free plan's resource limits and the stated threat-hunting access before choosing it.

Where Specifiction places it

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