Police in Thessaloniki said on Thursday that they traced two suspected members of a ring believed to have tampered with nine ATMs which allowed them to steal people's card details, clone their cards and make multiple withdrawals from their accounts over the past two years.
The suspects, aged 33 and 41, are both foreign nationals, police said, without revealing further details.
Turkey's Halkbank has become the third state bank to declare a low-interest rate campaign for citizens to pay off their credit card debts.
Burglars fled empty-handed when an attempt to use a homemade bomb to break into an ATM and cash deposit machine at a bank in Glyka Nera, northeastern Attica, failed on Wednesday.
The impact of the 3.15 a.m. blast caused damage to the facade of store where the ATM was located on Lavriou Avenue.
Police are investigating the blast, the latest in a string of similar incidents.
The total volume of transactions with credit and debit cards on Black Friday in Turkey reached 3.4 billion Turkish Liras ($647.4 million) with an annual increase of 38 percent.