![]() Existing security systems for online authentication are now primarily based on passwords, while other biometric methods have been recently proposed 7. They expose people to the risk of being attacked and manipulated 5, 6. Nevertheless, terrorists are mostly unknown: they are not listed in any database, and the security services do not have any information by which to recognise them.įalse identities in online services represent another unresolved issue. In these scenarios, security measures mainly consist of cross-checks on the data declared by the suspects or in the verification of biometric features, such as fingerprints, hand geometry, and retina scans 4. ![]() For example, one of the suicide bombers involved in the Brussels train-station attack on Mawas travelling through Europe using the identity of an Italian football player 3. It is known that terrorists cross borders using false passports or claiming false identities 2. Presently, one of the major issues related to identity and security is represented by the numerous and current threats of terrorist attacks 1.
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