Weeks after the critical vulnerability was reported and a hacking of the Treasury Department, nearly 9,000 BeyondTrust instances remain wide open to the Internet, researchers say — though it’s impossible to tell how many are still vulnerable.

​Weeks after the critical vulnerability was reported and a hacking of the Treasury Department, nearly 9,000 BeyondTrust instances remain wide open to the Internet, researchers say — though it’s impossible to tell how many are still vulnerable.