The company Outreach employs a private bug bounty program that enables a large pool of security researchers to test the platform on a continuous basis, indicating that the program is currently active.
Bug bounty program
Sturdy Finance offers a bug bounty program through Immunefi, and there is no indication that the program is inactive.
Metaplex has a bug bounty program with rewards ranging from $200 to $200,000+ depending on the severity of the issue, and it has specific guidelines for reporting vulnerabilities and receiving rewards.
The company, Blockchain.com, has a bug bounty program to encourage reporting of security issues.
MoonPay has a bug bounty program on HackerOne to continuously test and improve the security of its platform.
EC-Council maintains a Bug Bounty Program to encourage ethical hackers to contribute to the security of their systems.
Bugcrowd offers Bug Bounty programs to identify and remediate vulnerabilities, and it is implied that these programs are currently active as part of their ongoing services.
HackerOne provides a Bug Bounty program to incentivize the discovery of vulnerabilities, and there is no indication that the program is inactive.