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SPECIFICTION
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Passguard

passguard.com

From €250/mo Free trial WebAPI
Visit passguard.com
Spec score 7.7 #11 of 25 in Dark Web Monitoring Services

What it is

Passguard is a web and API platform for monitoring infostealer activity connected to company domains and other verified assets. It looks for infected devices and stolen sessions on criminal marketplaces, then checks whether stolen access is still active; the company says it revokes active access before it can be abused. The platform presents infections, traces, target lists, cracked passwords, breaches and leaks, with alerts and reports for investigations. Monitoring begins after assets are verified, with no agent installation or access to customer systems required, according to Passguard. Its REST API offers thirteen endpoints per domain for SIEM, SOAR or product integrations, and a mock server provides synthetic data for development without a key. Passguard says customer data is hosted in the European Union on European infrastructure, it is GDPR compliant, and it never pays cybercriminals for data; ISO 27001 certification is in progress. There is no free plan, but a quick scan is available without signup and a team-led proof of concept can use a customer's assets. The Essential plan costs €250 a month on an annual contract, excluding VAT. API access is listed at €1,500 a month.

Spec sheet

Product
Passguard is a European dark web monitoring platform specializing in infostealer intelligence.Read 7 Oct 2026 · passguard.com
Audience
Passguard presents solutions for company security teams, MSSPs and partners, procurement and risk teams, and SaaS providers.Read 7 Oct 2026 · passguard.com
Trial
For a full trial, Passguard offers a free proof of concept with the team on the customer's own assets.Read 7 Oct 2026 · passguard.com
Compliance
Passguard states that it is GDPR compliant and that ISO 27001 certification is in progress.Read 7 Oct 2026 · passguard.com
Support
The company offers a 30-minute product demo with CEO Tom Leijte using data for the prospective customer's domains.Read 7 Oct 2026 · passguard.com
Headquarters
The NetherlandsRead 28 Sep 2026 · passguard.com
Founded
2021Read 28 Sep 2026 · passguard.com
API testing
A mock API server serves synthetic data without requiring a key to start building an integration.Read 7 Oct 2026 · passguard.com
Free scan
The free quick scan requires no signup, returns results in about a minute, and does not show credentials.Read 7 Oct 2026 · passguard.com
Hosting
Customer data is hosted in the European Union on European infrastructure.Read 7 Oct 2026 · passguard.com
Integration
Passguard offers a REST API with thirteen endpoints per domain for SIEM, SOAR or product integrations.Read 7 Oct 2026 · passguard.com
Monitoring
It monitors criminal marketplaces for infected devices and stolen sessions tied to customer domains and other verified assets.Read 7 Oct 2026 · passguard.com
Platform features
The platform shows infections, traces, target lists, cracked passwords, breaches and leaks, and supports investigation workflows with alerts and reports.Read 7 Oct 2026 · passguard.com
Response
Passguard says its technology checks whether stolen access is still active and revokes it before it can be abused.Read 7 Oct 2026 · passguard.com
Security and privacy
The company says it is built and hosted in Europe and never pays cybercriminals for data.Read 7 Oct 2026 · passguard.com
Setup
Monitoring starts after assets are verified; Passguard says there is no agent to install and no access to customer systems is needed.Read 7 Oct 2026 · passguard.com

Plans and prices

Essential €250 a month Fixed monthly price on an annual contract; prices exclude VAT 5 assets · 3 user accounts · 15 infection details per year · infostealer infections and traces · email alerts · PDF and CSV reports Read 7 Oct 2026 · passguard.com
Pro €425 a month Fixed monthly price on an annual contract; prices exclude VAT 5 assets · 5 user accounts · 15 infection details per year · adds target lists, password cracks, leaked accounts and breached accounts Read 7 Oct 2026 · passguard.com
Enterprise €775 a month Fixed monthly price on an annual contract; prices exclude VAT 20 assets · 10 user accounts · 50 infection details per year · includes Pro features Read 7 Oct 2026 · passguard.com
API access €1,500 a month From €1,500/month; annual billing terms not stated for API access Tiered by domains, first tier 50 · all data streams · dev and production keys · multi-tenant access · mock server Read 7 Oct 2026 · passguard.com
Custom Priced on request On request; tailored agreement As many assets as needed · unlimited infection details · flexible user accounts · API access · multi-tenant Read 7 Oct 2026 · passguard.com

Every Passguard plan and price →

Strong points and limits

Strong points

  • Monitoring requires no agent installation.
  • Quick scan needs no signup.
  • Mock API server supplies synthetic integration data.
  • EU hosting and GDPR compliance are stated.
  • Proof of concept can use customer assets.

Limits

  • No free plan is listed.
  • Essential requires an annual contract and excludes VAT.
  • ISO 27001 certification is still in progress.
  • Personal and family monitoring are not offered.

Who it suits

Passguard is aimed at company security teams, MSSPs and partners, procurement and risk teams, and SaaS providers. Its monitoring focuses on business assets rather than personal or family monitoring.

Verdict

Passguard focuses on business infostealer monitoring, with investigation views and an API for integrations. Review the annual contract terms, asset and user limits, and VAT exclusion when assessing the listed plans.

Where Specifiction places it

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