Web Sites recognizes and supports responsible vulnerability research and reporting and They appreciate responsible disclosure so much . They willing to put Researchers Name in their security hall of fame! If Researcher Responsibly notify them of a vulnerability that they are unaware of .
HackerOne Profile: https://hackerone.com/alihasanghauri
BugCrowd Profile: https://bugcrowd.com/alihassanghori
Some Of My Hall Of Fame
Apple [2014] - 3x [2013]
https://support.apple.com/en-us/HT207627
https://support.apple.com/en-us/HT207628
Adobe [2013]
http://www.adobe.com/support/security/bulletins/securityacknowledgments.html
Cpanel
https://cpanel.net/cpanel-security-hall-of-fame/
Dell [Q4 16 (Dec)]
https://www.dell.com/learn/nz/en/nzbsd1/campaigns/contributors-dell-software-security
Barracuda (2 times)
http://barracudalabs.com/?page_id=3458
https://bugcrowd.com/barracuda/hall-of-fame
Facebook [2013]
https://www.facebook.com/whitehat/thanks/
Ifixit [2013]
http://www.ifixit.com/Info/Responsible_Disclosure
http://about.pinterest.com/terms/responsible-disclosure/
Google [Q3 2013]
https://www.google.com.pk/about/appsecurity/hall-of-fame/archive/
http://www.google.com.pk/about/appsecurity/hall-of-fame/distinction/
CoinBase
https://coinbase.com/whitehat
Gitlab [2013]
https://about.gitlab.com/vulnerability-acknowledgements/
Ebay
http://pages.ebay.com/securitycenter/ResearchersAcknowledgement.html
Wizehive
http://www.wizehive.com/special_thanks.html
Redhat (2013) (2014)
https://access.redhat.com/site/articles/66234
Opera
http://my.opera.com/securitygroup/blog/2013/04/05/thanks-to-the-researchers
Oracle {April-2013} {January-2014}
http://www.oracle.com/ocom/groups/public/@otn/documents/webcontent/1841214.xml
ConstantContact
http://www.constantcontact.com/about-constant-contact/security/report-vulnerability.jsp
BlackBerry {2013}{2014}
http://us.blackberry.com/business/topics/security/incident-response-team/collaborations.html
http://us.blackberry.com/enterprise/products/incident-response-team.html
Microsoft {Jun-2013} {Feb-2014 }{Oct-2014} {Dec-2014}
http://technet.microsoft.com/en-us/security/cc308575
Mailchimp
http://mailchimp.com/about/security-response/
BugCrowd
http://bugcrowd.com/list-of-bug-bounty-programs/
Nokia {June-2013} {January-2014} {February-2014} {April-2014}
http://www.nokia.com/global/security/acknowledgements/
http://company.nokia.com/en/acknowledgements
Snappy
http://www.besnappy.com/security
Braintree
https://www.braintreepayments.com/developers/disclosure
Card (2 time)
https://www.card.com/responsible-disclosure-policy
GetPocket
http://help.getpocket.com/customer/portal/articles/1225832-pocket-security-overview
Paymill
https://www.paymill.com/en-gb/support-3/worth-knowing/security/
Zendesk
http://www.zendesk.com/company/responsible-disclosure-policy
Spotify
https://www.spotify.com/us/about-us/contact/report-security-issues/
Foursquare
https://foursquare.com/about/security
Schubergphilis
http://www.schubergphilis.com/newsroom/library/Hall-of-fame/
GetBase
https://getbase.com/security/
Sonatype
http://www.sonatype.com/contact/report-a-security-issue
AndriodFreeApp
http://www.androidfreeapp.net/security-researcher-acknowledgments/
Spotify
https://www.spotify.com/us/about-us/contact/report-security-issues/
Sellfy
https://sellfy.com/security/
Viadeo
http://www.viadeo.com/aide/security/
Engineyard
https://www.engineyard.com/legal/responsible-disclosure-policy
http://ey.devpro.us/policies/responsible-disclosure-policy/
Prezi
http://prezi.com/bugbounty/whitehats/
Magix AG
http://research.magix.com/
Netflix [2013] [2014] [2015] [2016]
https://support.netflix.com/en/node/6657#gsc.tab=0
Shaukk
http://shaukk.com/developers.php
Bitwall
http://www.bitwall.io/security
Pragmatic Bookshelf
http://pragprog.com/security
Statuspage
https://www.statuspage.io/security
Paypal (3rd Quarter)
https://www.paypal.com/webapps/mpp/security-tools/wall-of-fame-honorable-mention
Active Campaign
http://www.activecampaign.com/security/
Foxycart
http://www.foxycart.com/security-contact
Tuenti.com (H1 2014) (2 times)
http://corporate.tuenti.com/en/dev/security
Telekom
http://www.telekom.com/security/acknowledgements
Nitrous.io (2013)
http://help.nitrous.io/admin-security-response/
Yesware
http://www.yesware.com/security
Expatistan
https://www.expatistan.com/security
PuppetLabs
https://puppetlabs.com/security/acknowledgments
37Signals
https://37signals.com/security-response
Gallery
http://codex.galleryproject.org/Bounties#Thanks.21
FormAssembly
http://www3.formassembly.com/security/
Moneybird
http://www.moneybird.nl/security
Riskalyze
https://www.riskalyze.com/security-response
Appcelerator
https://www.appcelerator.com/privacy/responsible-disclosure-of-security-vulnerabilities/
Bufferapp
http://bufferapp.com/security
Kraken
https://www.kraken.com/security/bug-bounty
SoundCloud
http://help.soundcloud.com/customer/portal/articles/439715-responsible-disclosure
Dropmyemail
https://www.dropmyemail.com/security
Altervista
http://en.altervista.org/credits.php
SiteGround
https://www.siteground.com/term/92.htm
Smart Budget
www.sbudget.com/people.pl
Hotgloo
http://hotgloo.com/security/hall-of-fame
Sony
https://secure.sony.net/hallofthanks
Sproutsocial
http://sproutsocial.com/responsible-disclosure-policy
Freelancer
https://www.freelancer.com/u/alihasanghauri.html
https://about.twitter.com/company/security
RecordedSecurity
https://www.recordedfuture.com/security/
Jumplead
http://jumplead.com/about/security
Unitag.io
https://www.unitag.io/security
Memberful
https://memberful.com/help/general/security/
HootSuite
https://hootsuite.com/security
Twitch
http://www.twitch.tv/p/security
Heroku
https://www.heroku.com/policy/security-hall-of-fame
DigitalOcean
https://www.digitalocean.com/security/
Acquia
https://www.acquia.com/nl/how-report-security-issue
Flood.io
https://flood.io/security
Madwhips
http://www.madwhips.com/credits
Roceteer
https://roceteer.com/security