"As these systems are based on Linux, they are open to infection."
Edit: This part seems to have been removed.
Edit: This part seems to have been removed.
It is very difficult to not read a strong implication into that line. If nothing else, then the line is useless and states nothing at all.
FTR: I'm a Windows user.
And while yes, in-house software would be safe against most existing malware, and general malware, ISS would not be safe from direct attacks. Those are the real threat anyway...
While direct attacks are a real threat, I don't see anywhere saying this was a direct attack. Not using an off-the-shelf OS could have mitigated the attack if it wasn't a direct attack.
http://www.amazon.com/Rocket-Surgery-Made-Easy-Do-It-Yoursel...