Top Websites for vulnerability disclosure

intigriti.com

Global bug bounty platform and penetration testing services ...

openbugbounty.org

Free bug bounty program and coordinated vulnerability disclo...

zerodayinitiative.com

Rewarding security researchers for privately disclosing vuln...

yogosha.com

Offensive security testing services for vulnerability discov...

zerocopter.com

One-stop shop for your security needs, powered by hackers.

securitytxt.org

A proposed standard for defining security policies for websi...

sevenkeys.com.br

Providing IT solutions and support services.

hackerone-user-content.com

Reduce security risk with ethical hackers.

kraxnet.com

Global website of a local company providing contact informat...