Is your website hackable?

Why you need to worry

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Is your website hackable? Why you need to worry

The recent attacks directed towards UCLA and the TJX Group has sent wild shockwaves that has set many organizations rethinking their security infrastructures. This article highlights prominent hacking episodes of December 2006 and provides much needed statistics on web application hacking.

Apocalypse Now
Just because you think your data is safe does not mean your database of sensitive organization information has not already been cloned and is resident elsewhere ready to be sold to the highest bidder. To make matters worse, only recently, it has been discovered that hackers are not simply selling your; they’re also selling the fact that you have vulnerabilities to others be they hackers, industrial spies or terrorists.

It all sounds apocalyptic, doesn’t it? Well, rather than being an angel of doom, I’ll let the stats speak for themselves.

TJX Companies Inc.,
TJX Companies, owners of T.J. Maxx, Marshalls, Winners, HomeGoods, A.J. Wright, and Bob’s stores, on the 17th January this year, disclosed that 40 million of their customers’ credit and debit card details were stolen. In parallel, federal credit union SEFCU published a similar warning that the personal details of 10,000 of its customers were compromised in the hack attack.

Another 60 banks including Citizen Union Savings Bank and Bank of America seem to have customers whose credit and debit cards have been breached in this attack.

Ben Cammarata, Chairman and Acting Chief Executive Officer of TJX Companies, stated that the nature of the hack is not known and two computer security experts are at hand examining the problem. The warning issued by SEFCU sheds greater light and states “A fraudster may have gained access to … card information through one of those entities in the payment network, including the merchant.”

SC Magazine reports that hackers used data from the breach to purchase goods in a number of states in the US, in Hong Kong and in Sweden.

A digest of the latest developments follows:

University systems are usually highly decentralized which makes it hard to ensure tight security. To the extent that one department may have deployed a hardened security infrastructure while others loll in lax measures making the whole system weak.

The following are some of the recent university hacks due to web application vulnerabilities:

Changing Trends in What Motivates Hackers
According to Zone-H, the top 50 attackers defaced a total of approximately 2.5 million websites all over the globe.  According to the CSI/FBI Computer Crime and Security Survey 2005, one of the most dramatic findings was the exponential increase in website defacement experienced by their respondents: in 2004, 5% of the respondents experienced defacement while in 2005 that figure went up to 95%.  Recent trends over the past 12 months show that there is a shift from such disruptive vandalism that gains notoriety towards theft of data that translates into profit. The report on 2006 is still to be published.

Since many organizations do not monitor online activity at the web application level, hackers have free reign and even with the tiniest of loop holes in a company’s web application code, any experienced hacker can break in using only a web browser and a dose of creativity and determination.  It seems that most hack attacks are discovered months after the initial breach simply because attackers do not want and will not leave an audit trial. In web application attacks physical evidence (e.g., a missing database) is inexistent – hackers are interested in stealing the data and leaving it intact.

Recent research by a leading research firm shows that 75% of cyber attacks are done at web application level. As yet unpublished research at Acunetix seems to corroborate this finding. Competing web application security organizations record similar data.

The Privacy Clearing House reports more interesting findings including the fact that over 100 million records have been compromised since February 2005.  However this figure excludes the TJX episode of around 40 million records. Out of a total of around 140 million approximately 80 million were due to hacking attacks. Having said this it is not known whether the TJX episode was a network or a web application breach.

The Cost of Being Hacked

The costs of hack attacks to any organization are extensive with possible financial burdens that may result in closure:
shows the total losses as reported by the 2005 CSI/FBI Annual Computer Crime and Security Survey
The figure above shows the total losses as reported by the 2005 CSI/FBI Annual Computer Crime and Security Survey.

The total losses per category of breach (valid only for the US) is reported to be over $130 m for the 639 respondents willing and able to estimate their losses. The Survey authors also state that while explicit costs (such as costs of reinstalling software and reconfiguring computer systems) is more accurately accounted for by respondents, implicit costs (such as lost future sales due to negative media coverage following a breach) is more difficult to account for and are largely not represented in the loss numbers reported here.

Now does it sound apocalyptic? I believe there is serious need for all to worry.

About the author

Kevin J Vella is Vice President Sales and Operations of Acunetix,, a developer of web application security software. Kevin J. has written articles & whitepapers about web application security. SQL Injection, AJAX vulnerabilities, and more.