How they disappear assets under the pretext of DEDDIE

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According to the data and warnings constantly published by the Hellenic Police, telephone fraud in Greece is recording a huge increase with new and more sophisticated methods. The Hellenic Police reports old man phone

"In this context, citizens' attention is once again drawn to telephone calls in which unknown persons pretend to be employees of public utility organizations, public services, telecommunications companies, banks, accounting firms or other entities.

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The perpetrators use different and constantly changing pretexts, such as alleged technical failure, power outage, financial pending, refund or need for immediate inspection. Their aim is to cause concern or confusion and lead citizens to hasty actions, without giving them time to confirm what they are told.”

The perpetrators pretend to be employees of public bodies and public utility organizations (e.g. HEDNO, tax office, banks, accounting firms) to obtain e-banking codes or guide citizens to cash withdrawals.

In recorded cases, perpetrators have attempted to convince their victims:

– to collect money, jewelry and other valuable items,
– place valuables in a specific spot inside or outside the home,
– to deliver money or objects to a person who will appear as an employee or associate and
– to allow entry into the house to conduct a supposed technical inspection.

New fraud methods

AI Voice Imitation: Fraudsters are using artificial intelligence to imitate the voices of relatives, according to the ERTNews, asking for money for alleged emergencies.
The double phone call: According to Everyday, in the first phone call the perpetrators pretend to be the perpetrators and in the second others call pretending to be police officers to gain your trust.
Fake calls from the Police: Numbers or automated messages appear who falsely present themselves as the Greek Police.

Using artificial intelligence for voice imitation

Recently, the possibility of fraudsters using artificial intelligence systems or applications to imitate or represent the voice of a familiar person has been examined.

The methodology:

Initially, someone receives a fraudulent phone call, for example from a person posing as a representative of a mobile phone company, during which a sample of their voice is presumably recorded,
Then the perpetrators call a person familiar with the person, who is at the residence, and pretend to be employees or technicians of HEDNO,
They claim there is an electrical fault or leak and request that persons posing as technicians be allowed entry into the house.
During the conversation, a voice that closely resembles that of the relative is heard in the background, urging the potential victim to cooperate and follow the callers' instructions.

This specific phonetic similarity is the result of technical processing or representation of the voice using an artificial intelligence application.

Although the number of incidents recorded so far is limited, awareness is necessary, as early recognition of this specific method can prevent fraud, especially of minors and the elderly.

Protection instructions from the Hellenic Police.

Hang up: End any suspicious call immediately.
Do not disclose information: Never give out passwords, card numbers, or personal data.
Call the police or the party that is supposedly calling you: Contact the Police or the agency that is supposedly calling you yourself using official numbers.
Establish a “family code”: A very useful practice is to agree on a secret password with your family. If someone calls you in an emergency, ask them to tell you this word to make sure they are really who they say they are.