It has been estimated that something in the region of 70 percent of the ATMs in current use are based not on the proprietary hardware, software and communication protocol platforms of old but instead on PC/Intel hardware and commodity operating systems, the most popular being Windows XP embedded. In fact, it is not too much of a stretch of the imagination to think of these ATMs as being simple PCs running simple PC operating systems and using the standard Internet Protocol that we are all used to. Of course, all this is housed in a very secure vault-like box along with some additional peripherals, which makes it all OK. Or does it? According to Network Box, a managed security services company which has just published a white paper on the subject of IP-ATM security, banks and financial institutions are failing to properly secure their ATMs, leaving consumers' personal details vulnerable to hackers. The report itself actually cites three main threats to ATMs: internet protocol (IP) worms; disruption of the IP network and denial of service; and the harvesting of consumers' transaction data for malicious purposes. The latter could result in hackers being able to collect consumers' personal details, such as their card number, account balance and transaction history.
Network Box say that the migration towards commodity-embedded hardware platforms, commodity operating systems and standard IP networking across the last five years is to blame for the increase in exposure as far as the security risk is concerned. They …