Cyberis is an innovative information security consultancy which was formed in 2011. Cyberis' founders have 30 years of experience between them working in the information security industry and are able to call upon a wide range of skills and abilities.
The basic security principle of keeping the attack surface as small as possible is still as important as ever, however you define your perimeter. Keeping an eye on the attack surface of the network perimeter, is not an obsolete activity, it is as important today as it was twenty years ago.
When undertaking penetration testing against Internet facing systems, we often see information exposure vulnerabilities. These expose information regarding the systems under test that can, in isolation, be considered low risk as they are not directly exploitable to obtain access to systems or sensitive data.
If you manage Microsoft Exchange and OWA in your environment and you are undergoing an external penetration test or Cyber Essentials assessment, you will often be faced with the Client Access Server Information Disclosure vulnerability identified by Nessus (https://www.tenable.com/plugins/nessus/77026) or other vulnerability scanners.