WLAN Security, Customers and POS

The widespread acceptance of Wireless Local AreaA couple of hours later, the thieves were back. They'd
Networks is a money maker for the e-commercedoctored the PIN pads to let them get customer card
market. Not only has the Small Office/Home Officedata. They got them back onto the point-of-sale
(SOHO) been a welcomed market for thesystem quickly, too. But here's where La Senza's
manufacturers of wireless devices ( Cisco/Linksys),security precautions kicked in: Its PIN pads in effect
the acceptance of wireless networking is savinghave their own Media Access Control address, and
millions of dollars to these markets. Organizations areonce they're disconnected, that address is no longer
reaping profits in the region of billions of dollars in costavailable. So the thieves were foiled -- this time. What
and productivity savings. The customer base isyou are reading here is an attack on a Point of Sale
generally unquestioning and accepting or at times evensystem. These systems normally comprise the cash
unaware of the presence of these technologies. Oneregister, the bar code scanner, wi-fi access, the
only has to venture into a Target, BestBuy, or Macysin-store voice or IP network and the store inventory
to be exposed to the transparent use of Wi-Fi.management system. The everyday customer is
Marketing is a remarkable skill. With the recentvigilant of the thief who physically walks in to the outlet.
stampeding of a store attendant in a New York store,Very few are aware of the tech savvy culprit. These
I'm in awe of the magnificence of marketers. Only anare the invisible, bitheads who have compromised
earthshaking advertising campaign could possiblythese systems for monetary gains. The targets are
entice a shopper to fall in line thousands deep tothe uninformed, non-questioning shoppers with no
purchase a new toy. This, in a winter chill that is almostknowledge of wi-fi vulnerabilities. According to one Mr.
anti-human. Oh the brilliance of marketing. TheKeith Aubele, the former loss prevention executive at
everyday shopper follow the routine of choosing theWal-Mart and Home Depot, these systems are
item and forking over the plastic. Very few are aware"incredibly easy to bypass."
of WLAN compliance requirements for wirelessHoliday cashiering is noticeably a seasonal job. A
networks. Not many question the secure handling ofproblem exists with this phenomena. It is called
their confidential information. Analysts fromunder-ringing or sweet-hearting. In this scheme the
organizations like the Gartner group, Frost &unscrupulous cashier does not scan all the items
Sullivan Research have posted numerous articles thatpresented. This, however, affects the retail outlet. Their
are meant to educate the customer. I salute them forloss. Now we address the customer. Point-of-sale
their in depth work. The question though remains, "Howtechnology was not designed to capture customer
many shopper would read a technical article?" Shoulddata. These technologies were designed for tracking
one expect the everyday shopper to understand PCI,purposes, but retailers now use them to capture
Sarbenes Oxley or WLAN security best practices. Icustomer data. Alert! huge management/security issue!
hear your answer. A resounding NO! Neither shouldThe customer is now left at the mercy of the
one anticipate a memo from the large retail outletsmitigation steps taken by the retailer. Some
identifying their due care or due diligence in protectingorganizations are managing numerous locations. Most
your confidential information.outlets are using known vulnerable systems with a
Some may ask, "What does that have do with me?"hope and pray approach. In Europe where
The answer is everything. In our advanced shoppingE-commerce has caught on quicker that other world
society, technology, though unnoticed, is at theregions, they use a technology known as chip-and PIN
forefront. We have become used to technology that isfor credit cards. The cost factor to upgrading to this
pushed on us without any great introduction. Most oftechnology is not feasible from the view of the outlet.
us are leaving our data safety in the hands ofThese point of sale terminals are mostly not
organizations who at times do not take the necessaryunderstood by the retailers who use them, most are
precautions to create a safe shopping environment.not aware of the information collected by their
Questions are rarely asked. Who would have thoughtsystems.
that a certain franchise's wireless network was soSome of these outlets are presently using WEP
open that we were safer leaving our credit cards in(Wired Equivalent Privacy) as the encryption of choice.
the shopping cart than presenting it to the cashier.To the knowledgeable attacker this is an invitation.
Does the customer need to know that despite all theNow back to the customer. What guarantee do we
brouhaha wireless networks are not as secure ashave that our data is protected? Card companies like
wired networks? The government mandates legislationVisa and Mastercard are trying to pressure retailers to
for organizations using wireless networks.be compliant to PCI ( Payment Card Industry) security
I beg to include here excerpts of an article I read thatstandards. We all know that this will be avoided if it
brings to the forefront the dismal task of providingcosts too much to implement. There has been a
security to the customer.promise from Visa to implement fines against
When thieves stole the PIN pads at a cash register innon-compliant retailers. I read a disturbing report that
one of his company's stores, Daniel Marcotte wasthe forecast of POS is dismal. The highly respected
amazed. Not that they'd done it -- such thefts canGartner Group predicts that by 2009, most attacks
happen once a week during the holiday season. Butagainst retailers would be through the POS. They
watching it on videotape later, "I couldn't tell they had itfurther stated that merely 30% of POS software will
with them when they left" the store, says Marcotte,be compliant.
director of systems and data security at La Senza, aI remember that old Captain and Tennille song, "you
Montreal retailer now owned by The Limited.better shop around.