The answer is no. If you knew about it, you would have had it fixed by now.
Denial of service (DDoS) attacks have recently hit the news, after a law firm was targeted and personal data was leaked on to the Internet. A breach of the data protection act that will likely lead to a major fine.
Penetration testing is a real asset in network security, asking a 3rd party to take a completely un-bias look at your I.T systems and highlight any weaknesses.
Testing should include all external IP addresses, firewalls, routers, switches and services used by the company.
A complete report of all tests run, with improvement recommendations will be presented to the client, which in turn should be reviewed by senior management and someone with the technical ability to resolve any issues.
Assent Risk Management can help your company with penetration testing as a stand alone service or along side ISO 27001 Information Security Management System implementation.