Tala Security’s analysis of the websites of Europe’s top mobile providers indicates that sensitive data is at risk from over-sharing and attack—with little effective security in place to prevent it
New research released by Tala Security today indicates that data exposure is a significant, unaddressed problem for Europe’s top mobile providers and, by extension, more than 253 million customers who sign up for their services and share sensitive personal data. At the heart of the problem: insecure website supply chains.
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Tala analyzed the websites of the top Mobile Service Providers in 7 European countries:
- Sensitive data is at significant risk via form data exposure – Forms used to capture credentials, banking details, passport numbers, etc., are exposed to an average of 19 third-parties. Without control, this sensitive data is at risk. This level of exposure, combined with the high value of the data captured, make this an attractive target for Magecart attacks.
- None of the sites had effective web security in place – On a 100-point scale where a score of 50 indicates limited control, the average within this group was 4.5.
- 100% of the websites are vulnerable to cross-site scripting (XSS) – The most widespread website attack, which frequently results in significant sensitive data leakage.
WHY IT MATTERS
“In many cases, data sharing or exposure takes place via trusted, legitimate applications on the allowlist — often without the website owners’ knowledge,” said Deepika Gajaria, VP of Products at Tala Security.
“While most online businesses do a great job protecting data after the user has entered it, few seem to be aware of data leakage as an unintended consequence of the dynamic, rich website experience telcos are known for. This has potentially far-reaching implications for user privacy and, by extension, GDPR. Unfortunately, our analysis indicates insufficient awareness of the risk. It’s time for website owners to start caring about over-sharing.”
“European telcos routinely collect sensitive data like passport scans, banking details, address and employment information. When website owners fail to effectively secure data as it is entered into their websites, they’re effectively leaving it hanging, an accident waiting to happen,” said Gajaria.
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