How to Stop Data Leaks

One of the great things about the Internets is that ityou have to chase down. You can also set up fancier
provides universal connectivity between your desktopthings, such as automatically requiring emails between
and the world. But that is also a tremendoustwo places (such as your office and a partner) to go
weakness and security professionals often lose sleepout encrypted. Speaking of encryption, they work with
over how easy it is for a rogue employee to email athe Blue Coat Web proxies so that even if someone
friend - or even his private Webmail account - theiris using SSL connections to talk to their Webmail
entire customer list or other confidential information.accounts they can take those packets apart and see
There have been a number of products to try to trackwhat someone is doing. That is pretty spooky, but hey,
or block leaking data, and this week I was testing oneyou have been warned!
of them called TrueDLP from Code Green Networks.There are other things that the product does, such as
The idea is fairly simple: you install their appliance onbeing able to detect content on removable USB thumb
your network, point out your most sensitive data, anddrives, or even block their usage entirely. This is the
then it watches over your packets and sees what isway of the world: as these drives get beyond 64 GB
leaving the premises. It doesn't take that long to setup(yes, gigabytes), they are more of a threat for
and install, once you figure out what it is doing andsomeone to just literally take an entire database out
what you are doing.the door in their pocket. I recently ran up against this
The tricky part is figuring out exactly what is yourwhen I was in my bank trying to provide
most sensitive data, and being able to focus in on it indocumentation for a loan. I had brought a CD, a USB
a way that the product can identify. It comes withthumb drive, and had saved the documents on my
dozens of various templates to be able to recognizeGoogle account just for good measure. Because of
social security numbers, or names and addresses, orthe bank's endpoint security lockdown policies, I was 0
stock symbols, or other kinds of well-formatted data.for 3 and had to send them the old fashioned way, by
But the real plus is being able to handle unformattedmaking paper copies, once I got home. At least it was
data, such as a memo about a customer'snice to know that they had protected their employee's
preferences that is just a Word document, forPCs.
example. Code Green can connect to a SQLThe interesting thing is what happens after customers
database and directly handle the query syntax toget their hands on this Code Green product. Lawsuits
select particular data types, and it can also connect viatypically ensue, so to speak, because often the
WebDAV to Sharepoint servers or other documentnetwork administrator finds someone is doing
repositories too. Once you find your data, you createsomething that they aren't supposed to be doing. One
protection policies and tell the appliance what to do -of the product managers I was working with told me
whether to just log the violation or actually block thethat this usually happens within the first week of the
activity.product being put into production. Given that the basic
You also need to make sure that you are matchingprice of the product is ten grand, I figure that is as
everything properly, because the last thing you want toclose to instant ROI as you are going to get these
have on your hands is a series of false positives thatdays, considering the cost of most litigation.