Polish Authorities Dismantle SIM-Swapping Gang

Polish authorities have arrested four members of an organized cybercrime group suspected of stealing millions in cryptocurrency through SIM-swapping attacks. The arrests were made as part of a comprehensive investigation targeting the breach of telecommunications partners and the hijacking of email accounts. The investigation began after several victims reported SIM-swapping attacks in which their mobile numbers were taken over. These attacks allowed the perpetrators to gain access to sensitive information and accounts of the victims, resulting in significant financial losses. Police found that the group was able to bypass the security protocols of mobile service providers.

The arrests took place in several cities across Poland, including Warsaw and Krakow. During the searches, computers, mobile phones, and other evidence were seized to aid in clarifying the crimes. Investigators believe that the gang is responsible for the theft of cryptocurrencies worth several million euros. SIM swapping is a technique where criminals take control of a victim's phone number to gain access to their online accounts. This method has gained popularity in recent years as more people conduct their financial transactions via mobile devices.

Polish authorities are warning about the dangers of these attacks and urging the public to remain vigilant. The arrests are part of a larger initiative to combat cybercrime in Poland. The government has increasingly invested in cybersecurity infrastructure in recent years to prevent such attacks. Experts emphasize the need for both technical and legal measures to hold perpetrators accountable. The investigation also has international dimensions, as the group may have connections to other criminal organizations in Europe.

European law enforcement agencies are collaborating to uncover the backgrounds of the gang and their networks. Cooperation between countries is seen as crucial to reducing the reach of such cybercrime. The Polish police have announced that further arrests are not ruled out as the investigation continues. Authorities are calling on victims of SIM-swapping attacks to come forward and report their cases. So far, several dozen cases have been registered indicating similar attacks.

The cybercrime group is accused of being active not only in Poland but also internationally. Investigators have found evidence that the gang operated in several countries and spied on victims there as well. The exact number of affected individuals and the amount of stolen funds are still under investigation. Polish authorities have informed the public about the risks of SIM swapping and advise taking security measures to protect against such attacks.

These measures include using two-factor authentication and regularly checking account settings. The police emphasize that prevention is key to avoiding cybercrime. The arrests of the four suspects took place on June 25, 2026, after the investigation had taken several months.