Updated to clarify and add list of companies (#24220)

* Updated to clarify and add list of companies

Changed line 7 to read reward instead of money because not all companies offer monetary rewards. Added a section on notable companies and a link to a site that compiles a more extensive list of companies.

* Update index.md

guide/english/security/bug-bounties/index.md

@@ -4,7 +4,7 @@ title: Bug Bounties
 
 ## Bug Bounties
 
-Bug bounties are programs that are set up by companies to encourage people to check their products for vulnerabilities.  In return these companies offer cash prizes for the discovered vulnerabilities.
+Bug bounties are programs that are set up by companies to encourage people to check their products for vulnerabilities.  In return these companies offer rewards for reporting the discovered vulnerabilities.
 
 ### Benefits to bounty hunters
 
@@ -17,3 +17,18 @@ The companies that sponsor these programs gain several benefits:
 - Many eyes on their product are more likely to find more bugs than the typical QA team
 - Only have to pay for results, not for the time spent trying to find bugs
 - Encourages people who find vulnerabilties to turn them over to the company and not to the black market.
+
+### Notable companies and organizations that offer bug bounties
+
+- Cisco
+- Facebook
+- Github
+- Google
+- Instagram
+- Mastercard
+- Microsoft
+- Paypal
+- Twitter
+- Uber
+
+A more comprehensive list can be found at the Bugcrowd's Bug Bounty List - https://www.bugcrowd.com/bug-bounty-list/