There is no one method a bank or credit union can use to prevent the myriad types of attacks against their cash machines. As data and logical security breaches become more complex, hackers, worms and viruses pose an ever-shifting landscape of danger. As these attacks are less obvious than physical security breaches, it’s extremely important to implement a logical security system that stops digital crime before it is unleashed. Diebold is looking to prevent criminals from getting away with ATM crimes include: GPS tracking placed inside the ATM vaults. Ink Staining of the money inside a stolen ATM is also being looked at.”]
Source: https://www.cuinfosecurity.com/atm-security-4-tips-for-protection-a-1708