An analysis of recent fraud statistics highlights how corporate data breaches and leaked personal information feed into targeted phishing campaigns and identity theft, emphasizing the growing importance of robust credential management and identity monitoring.
These alerts may seem commonplace, but the consequences of leaks are serious. In the UK, the National Fraud Database recorded almost 130.000 cases of identity fraud in the first half of 2026, a 9% increase compared to the same period in 2025. During the same period, cases where fraudsters transferred a victim’s mobile number to another SIM card without permission increased by 402%.
Where does stolen data end up?
When a company's data is breached, information such as email addresses, phone numbers, home addresses, and financial information can be exposed. Often, this information is bought and sold by criminals on the dark web.
Details like date of birth and address history are particularly concerning because they are not as easily changed as passwords. Criminals use the stolen information to impersonate victims and make scam messages more convincing.
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How fraudsters exploit data
Artificial intelligence tools allow criminals to quickly write well-crafted messages, tailored to specific individuals.
If you receive a breach notification, it is recommended that you use strong passwords, enable two-step verification, change any exposed login information, and delete old accounts that you no longer use.
Monitoring and protection tools
Services like Bitdefender Digital Identity Protection search for personal information in public databases and on the dark web.
Bitdefender Mobile Security for Android and iOS can also check if mobile account details have appeared in known data leaks. It also includes a feature that protects your internet connection.
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