British retail giant Mark and Spencer (M&S) confirmed a cyberattack on its contactless payment terminals in over 1,400 UK stores.Physical stores and online sales platforms were unaffected, but disruptions in cardless payment processing were reported.It is unclear if sensitive data was compromised or if ransomware was involved.Experts suggest adopting automated threat detection systems and conducting regular penetration testing to mitigate the risk of cyberattacks.