Our facilities folks are conducting a selection process to migrate away from 
our current (highly proprietary, they say) HSM/Nexwatch system and toward a 
system that uses more open/standard readers, strikes, wiring, etc..  The 
current leader in the process is Brivo.  We've had a couple meetings and 
technical calls where our network security folks (including me) have 
interrogated them and they seem to be pretty clueful about network security 
issues.

The summation I recently sent back to the facilities folks on behalf of the 
network security folks amounted to:   While it's not feasible to completely 
close every possible attack vector and still have a usable system, Brivo seems 
to have covered all the bases we can think of and is following currently known 
best practices.

Our only concern is with their "web hosted" model (where the system is managed 
via servers in Brivo's data centers) in that it requires only username/password 
authentication to access the management UI.  We've stated that we would be 
concerned about using that model without the addition of two-factor 
authentication, or at least a way to allow access to our admin account only 
from our known IP addresses.

That concern disappears if we're using their "web based" model (where the 
system is managed via one or more appliances that live within our corporate 
network).

One cautionary note...  Brivo provides a way to reduce wiring costs by hanging 
a controller off the end of an Ethernet cable right at a door you wish to 
control (as opposed to running the card access system's own wiring all the way 
from a central panel out to that door).  Brivo does say that it has some 
stability issues when it comes to recovering from loss of PoE and/or Ethernet - 
it sometimes requires someone to physically go out to the box and press a reset 
button.  For that reason, we've recommended against deploying that piece of 
equipment in our campus because momentary interruptions (planned or unplanned) 
are simply part of life.


From: [email protected] [mailto:[email protected]] On Behalf Of 
Steven Tylock
Sent: Monday, December 22, 2008 1:59 PM
To: Lopsa Discuss
Subject: [lopsa-discuss] The door security system you'd choose to install; -)

Many on the list have probably spent time supporting the door security system 
"the other guy" (or gal) installed.  There's not much you can do at that point 
because it's the one you've got to support...

But if you had a new office space to move into, and management decided to 
install a new fob based system, what would you choose to put in?

Yes, that's the position I'm in, and I'd love to hear about systems you like, 
dislike, and would take a flamethrower to if you could.

If it matters, I'm looking at securing 3 exterior doors and 3 interior doors 
(including a couple double doors), and have a population of about 20-30 to 
consider.  Fobs appear to have preference over a swipe or proximity card, and 
fob plus code or fingerprint does not appear to be a requirement.  It should 
not be an issue to run network or power to each of the doors. (less than 30 
meters from a central location for each)

I'll be happy to anonymize responses if asked and will post a summary,

steve
--
Steven Tylock
http://www.linkedin.com/in/stevetylock
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