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our software(see listing on our <a href=https://github.com/mCaptcha>GitHub</a>,
<a href=#scope>services available</a>)</p><h2 id=rules>Rules:<a href=#rules class=anchor aria-hidden=true>#</a></h2><h3 id=before-you-start>Before you start<a href=#before-you-start class=anchor aria-hidden=true>#</a></h3><ul><li><p>Check the list of domains that are in scope for security research
and the list of targets for useful information for getting started.</p></li><li><p>Check the list of bugs that have been classified as ineligible.</p></li><li><p>Check our changelog(in our GitHub repositories) for recently launched
features.</p></li><li><p>Never attempt non-technical attacks such as social engineering,
phishing, or physical attacks against our employees, users, or
infrastructure.</p></li></ul><p>When in doubt, contact
me(<a href=/contributors/aravinth-manivannan/>@realaravinth</a>) at
<a href=mailto:realaravinth@batsense.net>realaravinth@batense.net</a>.</p><h3 id=performing-your-research>Performing your research<a href=#performing-your-research class=anchor aria-hidden=true>#</a></h3><ul><li><p>Do not impact other users with your testing, this includes testing
vulnerabilities with CAPTCHA credentials and account credentials
of accounts you do not own. If you are attempting to find an
authorization bypass, you must use accounts you own.</p></li><li><p>The following are never allowed for research. We may
suspend your mCaptcha account for:</p><ul><li><p>Performing distributed denial of service (DDoS) or other volumetric
attacks. Sure, we are a DDoS protection organisation, but with sufficient
resources and motivation, it is possible to take us down. For this
reason, we request you to not hurt us.</p></li><li><p>Spamming content Large-scale vulnerability scanners, scrapers, or
automated tools which produce excessive amounts of traffic.</p><p>Note: We do allow the use of automated tools so long as they do
not produce excessive amounts of traffic. For example, running
one nmap scan against one host is allowed, but sending 65,000
requests in two minutes using Burp Suite Intruder is excessive.</p></li></ul></li><li><p>Researching denial-of-service attacks is allowed only if you follow
these rules:</p><ul><li><p>There are no limits for researching denial of service
vulnerabilities against your own instance of mCaptcha server. <strong>We
strongly recommend/prefer this method for researching denial of
service issues.</strong></p></li><li><p>If you choose to test on mCaptcha proper (i.e.
<a href=https://mcaptcha.org>https://mcaptcha.org</a> or <a href=https://mcaptcha.io>https://mcaptcha.io</a>):</p><ul><li>Research must be performed using credentials you own.</li><li>Stop immediately if you believe you have affected the
availability of our services. Don’t worry about demonstrating
the full impact of your vulnerability, our team
will be able to determine the impact.</li></ul></li></ul></li></ul><h3 id=handling-personally-identifiable-information-pii>Handling personally identifiable information (PII)<a href=#handling-personally-identifiable-information-pii class=anchor aria-hidden=true>#</a></h3><ul><li><p>Personally identifying information (PII) includes:</p><ul><li>legal and/or full names</li><li>names or usernames combined with other identifiers like phone numbers or email addresses</li><li>health or financial information (including insurance information, social security numbers, etc.)</li><li>information about political or religious affiliations</li><li>information about race, ethnicity, sexual orientation, gender, or other identifying information that could be used for discriminatory purposes</li></ul></li><li><p>Do not intentionally access others’ PII. If you suspect a service
provides access to PII, limit queries to your own personal
information.</p></li><li><p>Report the vulnerability immediately and do not attempt to access any
other data. We will assess the scope and impact of the PII exposure.</p></li><li><p>Limit the amount of data returned from services. For SQL injection,
for example, limit the number of rows returned</p></li><li><p>You must delete all your local, stored, or cached copies of data
containing PII as soon as possible. We may ask you to sign a
certificate of deletion and confidentiality agreement regarding the
exact information you accessed. We may ask you for the usernames and
IP addresses used during your testing to assess the impact of the
vulnerability.</p></li></ul><h3 id=reporting-your-vulnerability>Reporting your vulnerability<a href=#reporting-your-vulnerability class=anchor aria-hidden=true>#</a></h3><ul><li><p>Reports must include written instructions for reproducing the
vulnerability.</p></li><li><p>When reporting vulnerabilities you must keep all information on
restricted to email correspondence with us(<a href=#contact>see below for
contact</a>). If you believe the bug to be critical, please use
encryption.</p></li><li><p>Do not post information to
video-sharing or pastebin sites.</p></li><li><p>For vulnerabilities involving personally identifiable information,
please explain the kind of PII you believe is exposed and limit the
amount of PII data included in your bug report. For textual
information and screenshots, please only include redacted data in your
bug report.</p></li><li><p>During the course of an investigation, it may take time to resolve
the issue you have reported. We ask that you refrain from publicly
disclosing details regarding an issue you’ve reported until the fix has
been publicly made available.</p></li></ul><h3 id=legal-safe-harbor>Legal safe harbor:<a href=#legal-safe-harbor class=anchor aria-hidden=true>#</a></h3><p>We currently don&rsquo;t have any legal policies in place but rest assured
that as long as your research adheres to the above rules, your security
research and vulnerability disclosure activities are considered as
&ldquo;authorized&rdquo;.</p><p>A detailed policy based on this sentiment is in the works.</p><h2 id=scope>Scope:<a href=#scope class=anchor aria-hidden=true>#</a></h2><p>mCaptcha runs a number of services. Only domains listed below are are
eligible for security research. Any mCaptcha-owned domains not listed
below are <em>not</em> in scope and are <em>not</em> covered by our <a href=./#legal-safe-harbor>legal safe
harbor</a></p><h3 id=mcaptchaorg>mcaptcha.org<a href=#mcaptchaorg class=anchor aria-hidden=true>#</a></h3><ul><li>mcaptcha.org</li><li>demo.mcaptcha.org</li><li>demo2.mcaptcha.org</li></ul><h3 id=mcaptchaio>mcaptcha.io<a href=#mcaptchaio class=anchor aria-hidden=true>#</a></h3><ul><li>mcaptcha.io</li></ul><h2 id=contact>Contact<a href=#contact class=anchor aria-hidden=true>#</a></h2><h3 id=email>Email<a href=#email class=anchor aria-hidden=true>#</a></h3><p><a href=mailto:realaravinth@batsense.net>realaravinth@batense.net</a>.</p><h3 id=gpg-key>GPG Key<a href=#gpg-key class=anchor aria-hidden=true>#</a></h3><p><a href=/aravinth.asc>Click here to download key</a></p><pre><code class=language-GPG data-lang=GPG>-----BEGIN PGP PUBLIC KEY BLOCK-----

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