Finance and retail industry applications are the most vulnerable to data breaches, with 70 percent of retail and 69 percent of financial services applications shown to have data input validation violations, according to new research released by CAST. This is particularly concerning, considering the amount of personal and financial customer data often held in applications across these industries.
“So long as IT organizations sacrifice software quality and security for the sake of meeting unrealistic schedules, we can expect to see more high-profile attacks leading to the exposure and exploitation of sensitive customer data,” said CAST EVP Lev Lesokhin who led the security analysis. “Businesses handling customer financial information have a responsibility to improve software quality and reduce the operational risk of their applications –not only to protect their businesses, but ultimately their customers.”
Input validation has gotten a great deal of attention this year thanks to the Heartbleed bug, which exposed over 60 percent of the internet’s servers to intrusion due to improper input validation in the form of a missing bounds check in the implementation of the TLS heartbeat extension.
As of June, 21 2014, it’s estimated that 309,197 public web servers still remained vulnerable. In addition, a recent report revealed that input validation attacks were exploited in 80 percent of attacks against applications last year in the retail industry alone — with perhaps the largest casualty being the record breaking eBay data breach, resulting in hackers gaining access to over 145 million user records and a federal investigation.
CAST also found that — contrary to public perception — government IT had the highest percentage of applications without any input validation violations (61 percent), while independent software vendors came in dead last (12 percent without violations).
Even more surprising, the data showed that the financial services industry has the highest number of input validation violations per application (224) even though their applications, on average, are only half as complex as the largest application scanned.
In its biennial CRASH Report on the global state of quality in business applications to be released in September, CAST found a significant correlation between application robustness, its ability to avoid failures, and application security.
Dr. Bill Curtis, chief scientist at CAST and author of the CRASH Report, said, “Some security experts argue software security is different from software quality and should be treated separately. The CRASH Report data proves this is false. Badly-constructed software won’t just cause systems to crash, corrupt data, and make recovery difficult, but also leaves numerous security holes.”
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