European Alternatives to HackerOne
Looking for a European alternative to HackerOne? HackerOne Inc. is a Delaware corporation, its customer terms are governed by Delaware law with disputes heard in Delaware courts, and its privacy policy says personal data of people outside the United States is transferred to and processed in the US. Every vulnerability report you receive on the platform describes an unpatched weakness in your own systems.
The European platforms below run bug bounty, vulnerability disclosure and pentest programs through companies contracting from France, Belgium, the Netherlands and Switzerland, and several of them state EU-only hosting and in-house triage.
How we rank these tools — 4-step process
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European ownership, verified
The company is headquartered and incorporated in the EU, EEA, the UK, Switzerland or Israel, and processes customer data in Europe or Israel. A US parent company disqualifies a tool from this page regardless of where its servers are.
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Category fit and hands-on review
What the tool actually does, who it suits, and where it falls short — checked against the vendor’s own documentation, changelog and pricing page rather than its marketing copy.
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Compliance and pricing check
GDPR posture, hosting location and the prices quoted on this page are verified against the vendor’s public pricing before publication, and re-checked when we revisit the category.
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Position on this page
Placement on this page can be paid, and that can affect which tools appear here and the order they appear in. It never buys a good review: a tool that fails the checks above is not here at any price, and payment does not change the shortcomings we write about. A vendor can ask us to correct a factual error — not to remove a criticism.
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11 European Alternatives to HackerOne
YesWeHack
Paris bug bounty and exposure platform hosted in an EU private cloud
Intigriti
Antwerp bug bounty platform with managed VDP and PTaaS
Yogosha
Vetted researcher community for pentests and private bounties
Detectify
Stockholm attack-surface and application scanner with ethical-hacker payloads
Pentest-Tools.com
Bucharest pentest toolkit with scanners, exploiters and reporting
Zerocopter
Dutch hacker-powered bug bounty, pentesting, recon and CVD
SignalFisher
Lucerne continuous security testing, formerly Bug Bounty Switzerland
Ethiack
Coimbra agentic AI pentesting with proof-of-exploit findings
Securitum
Krakow penetration testing firm with a published pricing page
Patchstack
WordPress vulnerability bounty, managed VDP and mitigation
Vaadata
Lyon offensive security firm for pentests and red teaming
Key takeaways
- HackerOne Inc. is a Delaware corporation whose General Terms and Conditions (effective 11 May 2026) apply Delaware law and Delaware courts.
- YesWeHack states EU-only hosting in a SecNumCloud-qualified private cloud and in-house triage, the closest match to the full HackerOne bounty model on this page.
- Intigriti NV in Antwerp sells bounty, managed disclosure and pentest as a service, with prices on request like HackerOne.
- Securitum is the only vendor here that publishes day rates (EUR 640 to 890) and fixed project ranges (EUR 3,500 to 14,000).
- Ethiack, Vaadata, Securitum and Pentest-Tools.com do not run a researcher crowd, so they replace the pentest side of HackerOne, not its bounty.
Why people leave HackerOne
HackerOne is the platform most people mean when they say bug bounty. A company writes a scope, sets rewards, and outside researchers send in reports that describe real weaknesses in its systems. Its home page now lists a long catalogue under one platform: continuous testing, agentic pentest, bounty, time-boxed bounty challenges, validation, remediation, code security, AI red teaming and an always-on disclosure product.
The contracting side is American. The General Terms and Conditions effective 11 May 2026 define HackerOne as HackerOne Inc., a Delaware corporation, give an address in San Francisco, and state that Delaware law governs and that disputes go exclusively to the state and federal courts of Delaware. The same document contains a class action waiver. A European buyer signing an order form accepts all of that as the default frame.
What sits inside the platform is the part that makes buyers hesitate. A bounty inbox is a list of unpatched flaws, with proof of concept, affected hosts and sometimes credentials. The privacy policy says personal data of people outside the United States is transferred to and processed in the US. Teams that have to explain that to a regulator or a customer questionnaire start asking whether a European vendor can do the same job.
- Delaware law and Delaware courts by default The terms on hackerone.com choose the law of the State of Delaware and send every dispute to Delaware courts, with a class action waiver on top. For a French, Dutch or Belgian buyer that means a dispute over a bounty payout, a data incident or an invoice is fought in another legal system and another language. The European platforms on this page contract under the law of an EU country or Switzerland.
- Vulnerability reports leave Europe HackerOne states in its privacy policy that personal data of people outside the US is moved to the US for processing. Reports contain hostnames, parameters, screenshots and researcher identities. Because the parent is a US corporation, the CLOUD Act can reach that data wherever it is stored. Several platforms here state EU-only hosting, or at least an EU contracting entity, which removes the transfer step from your records of processing.
- A very wide platform to buy into The product list on the home page runs from bounty to code audits to AI red teaming. That is useful for a large programme, but a mid-sized team may pay attention to modules it never opens. Several European vendors sell a narrower package: one bounty, one disclosure channel, or a fixed-scope test, with a named customer success contact, which suits a first programme better.
- No price list to compare against We found no public price list on hackerone.com; the pricing page returned a 404 when checked on 23 October 2026. Buyers therefore negotiate blind, and a procurement team cannot benchmark before a sales call. The European field is mixed on this, since most vendors here also quote on request, but Securitum, Pentest-Tools.com and Detectify publish real numbers you can put in a budget memo.
What you have to replace, not just match
The first thing to replace is the programme itself: scope documents, rewards grid, safe-harbour wording, and the list of invited researchers. None of that is portable as a file. You will rewrite the policy text for the new platform, re-invite the researchers you trust, and tell the others where to send reports. Plan a period in which both channels accept reports, and publish the new address in your security.txt before closing the old one.
The second is the triage work. On HackerOne the platform and its services decide how duplicates, severity and reproduction are handled. On YesWeHack and Intigriti the vendors say triage is done by their own staff, and on Yogosha, SignalFisher and Zerocopter the vendor contracts the researchers itself. Ask each candidate who reproduces a report and who sets severity, because that decides how many engineering hours your own team spends reading submissions.
The third is everything connected to the inbox: tickets in Jira or GitHub, SSO, payment of rewards, and the audit trail your compliance people show to auditors. Pentests and automated scanners are separate jobs on top of that. If HackerOne currently covers all of them for you, expect to spread the work over two vendors, for example a bounty platform plus Pentest-Tools.com or Securitum, rather than one swap.
The alternatives compared
| Position | Tool | Headquarters | Pricing | Jurisdiction |
|---|---|---|---|---|
| #1 | YesWeHack | Paris, France | Pricing on request; the vendor site publishes no price list | EU (France) |
| #2 | Intigriti | Antwerp, Belgium | Plans named Core, Premium and Enterprise; prices on request | EU (Belgium) |
| #3 | Yogosha | Paris, France | Pricing on request; PtaaS is described as fixed cost, bounty as pay per valid vulnerability | EU (France) |
| #4 | Detectify | Stockholm, Sweden | Starter free (up to 5 users, 100 assets) / Standard €2,500 / Professional €5,000 / Enterprise €15,000 per year | EU (Sweden) |
| #5 | Pentest-Tools.com | Bucharest, Romania | From $96/month (NetScan), $140/month (AppScan), $190/month (Exploit), by asset count | EU (Romania) |
| #6 | Zerocopter | Groningen, Netherlands | Pricing on request | EU (Netherlands) |
| #7 | SignalFisher | Lucerne, Switzerland | Pricing on request | Switzerland (adequacy decision, outside the EEA) |
| #8 | Ethiack | Coimbra, Portugal | Pricing on request | EU (Portugal) |
| #9 | Securitum | Krakow, Poland | Time and materials EUR 640 to 890 per man day; fixed projects typically EUR 3,500 to 14,000 (vendor pricing page) | EU (Poland) |
| #10 | Patchstack | Pärnu, Estonia | Developer 69 USD/month billed annually (828 USD/year), 3 seats; Enterprise and Web host on quote | EU (Estonia) |
| #11 | Vaadata | Lyon, France | Quote on request | EU (France) |
How each alternative compares to HackerOne
Best for: Organisations that want vendor-staffed triage, a French contract and an EU-hosted bounty or disclosure channel
Against HackerOne, YesWeHack offers the same core loop: set a scope and a rewards grid, run a private or public programme, pay for valid reports. The difference is where it runs and who signs. The contracting entity is Yes We Hack S.A.S. in Paris, and the trust page states a SecNumCloud-qualified private cloud with European providers only, processing inside the EU.
The vendor says it has more than 160,000 ethical hackers and that its own team triages every incoming report. Add SAML single sign-on, enforced two-factor login, a fixed-IP hunter VPN and integrations to Jira, ServiceNow, GitHub, GitLab and Azure DevOps, and the platform covers what a security team tends to ask for in a switch.
What YesWeHack does better than HackerOne
- Hosting stated as EU only, inside a SecNumCloud-qualified cloud
- Contract with a French simplified joint stock company instead of a Delaware parent
- Triage done by employees, according to the vendor
- ISO 27001 and ISO 27017 certificates listed on the trust page
Where YesWeHack is a step down from HackerOne
- No published prices, the same as HackerOne's missing price list
- Offices in Singapore, so the order-form entity must be checked
- Narrower product catalogue than HackerOne's home page lists
Standout against HackerOne. It is the only platform on the page that names an EU-only SecNumCloud environment for report data.
Best for: Companies that expect to add a VDP or pentests to a bounty later, and prefer a Belgian vendor
Intigriti NV, Klokstraat 16 in Antwerp, operates the platform, according to its company information page. Compared with HackerOne you get a Belgian company and Belgian law as the natural starting point, plus a plan ladder named Core, Premium and Enterprise. The vendor reports more than 150,000 independent researchers and says an in-house team vets reports before you see them.
The product line goes beyond the bounty: managed disclosure, pentest as a service in Focused, Comprehensive and Certified types, live hacking events, and programmes scoped around AI features. A published blog post explains application-level encryption of stored data, which partly answers the hosting question that the pages leave open.
What Intigriti does better than HackerOne
- Belgian operating company and register entry in place of a Delaware parent
- Pentest-as-a-service tiers, including a Certified type for regulated buyers
- Application-level encryption of stored data explained in public
Where Intigriti is a step down from HackerOne
- Hosting location not stated on the pages checked
- Pentest offer and CrowdRecon carry beta labels on the product pages
- Staff and offices also in the US and UK
Standout against HackerOne. It sells bounty, disclosure and certified pentests under one Belgian contract, with plan names but no prices.
Best for: Teams that want ID-checked testers on private bounties and fixed-cost pentests rather than public exposure
Yogosha replaces the open crowd with a gate. According to the vendor, only 10 percent of applicants join the Strike Force after a technical and written test, and members are ID checked and sign an NDA. The site cites 1,100 or more researchers for pentests and 800 or more in the private bounty community, far smaller than the numbers the larger platforms quote.
The commercial logic differs from HackerOne too. Pentest as a service is described as a fixed cost for a small team on a defined asset, while bounty pays only for valid vulnerabilities. Special operations extend to red teaming, hardware pentesting and social engineering, and the home page promotes audits of LLM and generative AI systems.
What Yogosha does better than HackerOne
- Researchers screened and identity-checked before they see your scope
- Fixed-cost pentests next to pay-per-valid-bug bounty
- Hardware and red team work offered as special operations
Where Yogosha is a step down from HackerOne
- Far fewer researchers than an open public programme draws
- No prices and no hosting location on the pages checked
Standout against HackerOne. Admission to its researcher pool is the product, by the vendor's own figure only one applicant in ten gets in.
Best for: Security teams that want continuous external scanning and a budget they can write down
Detectify does a different job from HackerOne's bounty. It maps what a company exposes to the internet and tests each asset for exploitable flaws, using payloads from its own research and from Crowdsource, a network of more than 400 ethical hackers. Detectify AB is a Stockholm company, so scan results fall under Swedish and EU law.
The price list is public: a free Starter tier for up to five users and 100 assets, then EUR 2,500, EUR 5,000 and EUR 15,000 a year. That makes it the easiest tool on this page to put in a budget. It finds exposure but does not block attacks, and nobody triages a human report, because the work is automated.
What Detectify does better than HackerOne
- Published prices from a free tier to EUR 15,000 a year
- Continuous scanning of the whole external surface, not only the scope of a programme
- REST and GraphQL API scanning from the Standard tier up
Where Detectify is a step down from HackerOne
- No outside researchers reading your application by hand
- Standard tier capped at 750 assets and 10 users
- CI/CD integration only from Professional
Standout against HackerOne. It is the one tool here with a real free tier and a full price list up to enterprise level.
Pentest-Tools.com
A do-it-yourself toolkit for people who run the tests instead of buying researcher time
Best for: In-house testers and service providers who want scanners, exploiters and report output
Pentest-Tools.com changes the question from who finds the bug to who runs the scan. PENTESTTOOLS S.A. in Bucharest sells network, cloud and web scanners, an auto-exploiter and SQL injection and XSS exploiters, with plans from $96 a month for NetScan, $140 for AppScan and $190 for Exploit, scaled by asset count.
The company says it serves more than 2,100 customers. All plans carry an API and integrations, and Burp Suite findings can be imported. A report generator exports to Word or Google Docs but is an add-on. There is no researcher community, no triage and no reward grid, so it complements a bounty more than it replaces one.
What Pentest-Tools.com does better than HackerOne
- Prices published per month and per asset count
- Your own team controls timing, scope and evidence
- Imports Burp Suite output into one report
Where Pentest-Tools.com is a step down from HackerOne
- No crowd of researchers finding what scanners miss
- Prices quoted in US dollars
- Several newer features, such as AI pentests, are marked new
Standout against HackerOne. Plans are priced per asset, from $96 a month, with unlimited rescans on every plan.
Best for: Dutch and Benelux organisations starting with a disclosure policy before they open a bounty
Zerocopter is organised as steps. It starts with a coordinated vulnerability disclosure policy, adds round-the-clock recon for forgotten systems, then pentests with a formal report, then a bounty. The terms of sale name Zerocopter B.V. as the contracting party and treat researchers as its own suppliers, so you sign with one Dutch company and never with individual hackers.
Legal documents are public: terms of sale from 19 July 2024, a privacy statement and a researcher code of conduct. Two pages give different cities (Amsterdam and Groningen), so check the order form. No prices, researcher numbers or hosting location appear on the pages we read, and parts of the site are in Dutch.
What Zerocopter does better than HackerOne
- One Dutch contracting party, with researchers as its suppliers
- Recon service aimed at forgotten assets
- A gentler first step through a disclosure policy
Where Zerocopter is a step down from HackerOne
- No researcher numbers to judge the size of the crowd
- Smaller scope and fewer integrations described than HackerOne
Standout against HackerOne. Its public terms of sale make the researcher relationship explicit: the customer buys from Zerocopter, not from the hackers.
SignalFisher
A managed continuous testing programme from Switzerland, not a self-serve marketplace
Best for: Swiss and DACH regulated companies replacing annual pentests with scoped, interpreted testing
SignalFisher AG in Lucerne, formerly Bug Bounty Switzerland, argues that one-off pentests age quickly and that classic platforms leave scoping and interpretation to the customer. Its program covers three steps: turning context and regulation into a scope, testing by vetted researchers, and reports with trend analysis and recommended actions.
The imprint gives commercial register number CHE-218.065.572. The site quotes the CISO of Helvetia Baloise Group and shows Swiss Post and Stadler among customers. Switzerland is outside the EU, so the contract is likely under Swiss law. You also give up part of HackerOne's control: you do not set your own reward grid and invite researchers yourself.
What SignalFisher does better than HackerOne
- Scoping and interpretation of results included in the programme
- Swiss commercial register entry published in the imprint
- Named co-founders and advisory board on the about page
Where SignalFisher is a step down from HackerOne
- Less control over the reward grid and the researchers
- No prices, hosting location or researcher counts on the pages checked
- Outside the EU, so not under GDPR as a matter of course
Standout against HackerOne. It sells interpretation of findings as part of the programme, where HackerOne leaves that to the customer.
Best for: Teams with NIS2 or DORA duties who need repeatable testing with evidence, not a bounty
Ethiack is a different animal from a bounty marketplace. Its engine, called Hackian, tests autonomously and, according to the vendor, triggers on code pushes and infrastructure changes. The terms name Ethiack, S.A., registered in Portugal under number 516856146, with a registered office in Coimbra.
Each confirmed risk comes with a proof of exploit and remediation guidance, which aims at the false positives that scanners produce. Case studies name ANA Aeroportos, Bluepharma and Universidade do Porto; the quoted returns are the vendor's own figures. Live reports for NIS2, DORA, SOC 2, ISO 27001 and PCI are listed as outputs.
What Ethiack does better than HackerOne
- Testing that follows code and infrastructure changes instead of a bounty calendar
- Proof of exploit attached to each confirmed finding
- Compliance reports for NIS2 and DORA as an output
Where Ethiack is a step down from HackerOne
- No outside researchers and no reward programme
- Performance numbers are vendor claims, prices not published
Standout against HackerOne. Every confirmed finding carries a proof of exploit, which moves triage from people to the engine.
Best for: Teams that need an audit-style test before a release, with a stated budget
Securitum Audyty Sp. z o.o. is a pentest firm, not a platform. Its pricing page gives EUR 640 to 890 per man day for time and materials and EUR 3,500 to 14,000 for typical fixed-price engagements of one to four weeks. Nothing comparable is public at HackerOne, so a buyer can estimate before calling.
The service list covers web, mobile, infrastructure and cloud tests, red teaming, source code review and OSINT, and the company says it was founded in 2009. Because the work is a snapshot by a named team, it cannot replace the continuous coverage of a bounty. It focuses on Central and Eastern Europe.
What Securitum does better than HackerOne
- Day rates and project ranges visible before any sales call
- A named team doing a defined scope instead of an anonymous crowd
- Source code review and trainings next to the tests
Where Securitum is a step down from HackerOne
- Point-in-time results, no continuous programme
- No bounty pool or researcher community
Standout against HackerOne. It is the only vendor on this page that puts day rates in euros on a public page.
Best for: WordPress plugin, theme and hosting businesses that need CVE handling and a managed disclosure channel
Patchstack OÜ is registered in Pärnu, Estonia (code 14331217). It competes with HackerOne only for one niche: vulnerabilities in WordPress and open-source software. The bounty page lists a guaranteed monthly pool of USD 10,000 and zero-day payouts up to USD 33,000, and researchers get the CVE in their own name.
The managed disclosure product takes over report handling for plugin maintainers, and the site says Patchstack manages security for 1,134 plugins. A company with a custom web application cannot scope its own bounty here. Rewards are paid in US dollars by PayPal or cryptocurrency, and Delaware law applies to customers in the Americas.
What Patchstack does better than HackerOne
- Direct CVE assignment and a public vulnerability database for WordPress
- Managed disclosure for maintainers who cannot triage themselves
Where Patchstack is a step down from HackerOne
- No general bounty for a normal company estate
- Hosting location not stated, rewards in US dollars
Standout against HackerOne. It assigns the CVE in the researcher's name and keeps a public database for the WordPress ecosystem.
Best for: French and European teams that want a one-off or periodic human-led test
VAADATA SARL in Lyon (RCS 797 558 590) sells offensive security services. Pentests run as black, grey or white box and cover web, mobile, cloud, infrastructure, IoT, social engineering and LLM systems including RAG, agents and MCP servers. Red team and assumed breach exercises sit beside them.
The company says it was created in 2014, describes itself as financially independent and claims more than 800 clients. There is no bounty, no reward pool and no price list, only a quote request. The legal notices state that the marketing website is hosted by Kinsta Inc. in the United States, which concerns the website rather than your engagement data.
What Vaadata does better than HackerOne
- Dedicated LLM pentest scope next to the classic ones
- Red team and assumed breach exercises from a French company
Where Vaadata is a step down from HackerOne
- No continuous coverage or researcher crowd
- Prices only on quote
Standout against HackerOne. It lists an LLM pentest covering RAG, agents and MCP servers as its own service line.
What actually breaks when you switch
Three things break first. Reports and history stay behind: export what the platform lets you export, keep the exports under your own retention rules, and expect to lose the researcher reputation scores that took years to build. Integrations need re-wiring, since the webhook into your ticket tracker and the SSO configuration belong to the old platform, and the vendors here document Jira, GitHub, GitLab or ServiceNow connections individually.
The contract is the slow part. A European vendor will propose its own data processing agreement, sub-processor list and order form, and legal review takes longer than the technical move. Write a short overlap period into the plan: keep the HackerOne programme open for new reports until the new scope is live, publish the new contact in security.txt, and tell regular reporters by email so they do not file into a closed inbox.
Can I move a running HackerOne programme to a European platform without losing researchers?
Partly. Researchers are not bound to a platform, but their accounts, reputation and your report history stay inside HackerOne. The usual route is to export your reports for your own records, announce the new platform to the researchers who found valid issues, and run both channels for a quarter. YesWeHack and Intigriti both run open communities, so invited hackers can register without friction.
The vetted-pool vendors work differently. Yogosha says only 10 percent of applicants enter its Strike Force, and SignalFisher uses vetted researchers it manages itself. Your existing HackerOne regulars will not simply carry over there, so expect a new group and a different cost shape, with fixed-cost tests next to pay-per-bug rewards.
Does leaving HackerOne for a European vendor remove US jurisdiction completely?
For the contract and the legal entity, yes: YesWeHack, Intigriti, Yogosha, Zerocopter, SignalFisher, Ethiack, Securitum, Patchstack and Vaadata are European or Swiss companies, and Pentest-Tools.com and Detectify are Romanian and Swedish. For the infrastructure, check each one. Only YesWeHack states EU-only hosting on its trust page; most others do not state a hosting location on the pages we read.
Put the hosting question in the procurement checklist and ask for sub-processors by name. Vaadata, for example, says its marketing site is hosted by a US company, which says nothing about engagement data but shows why the question needs asking. A European contract with a clear sub-processor list is a stronger position than HackerOne's default, though it is not the same as air-gapped data.
Which one to pick
If you run a mature public bounty and want the same shape under European law, start with YesWeHack and Intigriti, and ask both for hosting statements and the entity on the order form. Pick Yogosha when you would rather have a small vetted group than open exposure, and SignalFisher when you want scoping and interpretation handled for you in Switzerland. Zerocopter fits a Dutch first programme.
If the real need is testing rather than a crowd, buy it directly: Securitum for a budgeted manual test, Vaadata for red team and LLM scopes, Ethiack for continuous automated tests with evidence, Pentest-Tools.com when your own team runs the work, and Detectify for continuous external scanning with published prices. Patchstack is only for WordPress. Keep HackerOne if you depend on its breadth and do not mind the Delaware terms.
Frequently Asked Questions
For a managed bounty with a French contracting entity, EU-only hosting and in-house triage, YesWeHack is the closest match on this page. Intigriti in Belgium follows the same product shape with a pentest-as-a-service option, and Yogosha suits teams that prefer a vetted private pool. If you need tests rather than a crowd, look at Securitum, Vaadata or Ethiack instead.
No. The General Terms and Conditions define HackerOne as HackerOne Inc., a Delaware corporation, with a contact address in San Francisco. The privacy policy lists European affiliates next to it, but the contracting parent is American and the terms apply Delaware law. That is why it is the incumbent on this page and not a listed tool.
Mostly not. YesWeHack, Intigriti, Yogosha, Zerocopter, SignalFisher, Ethiack and Vaadata ask for a quote or a demo. Published numbers exist at Detectify (free tier up to EUR 15,000 a year), Pentest-Tools.com (from $96 a month) and Securitum (day rates of EUR 640 to 890). HackerOne also shows no price list on its site.
Only partly. A pentest is a time-boxed test of a defined scope by a named team, so it finds what that team finds in those weeks. A bounty keeps many researchers looking at the live system after a release. Securitum, Vaadata and Ethiack cover the pentest side well; for continuous crowd testing use YesWeHack, Intigriti or Yogosha.
Yes. Patchstack in Estonia runs a bounty and a managed disclosure programme for the WordPress and open-source ecosystem, assigns CVEs in the researcher's name and keeps a public vulnerability database. It does not host a general company bounty, so a normal web estate belongs on one of the other platforms.
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