A data breach affecting approximately 678,000 individuals has resulted in sensitive personal information being sold online. The French tax administration is urging those potentially impacted to exercise caution. The compromised data includes information held by the tax authorities, raising concerns about potential identity theft and financial fraud. While the specific details of the breach haven’t been fully disclosed, authorities are advising individuals to monitor their financial accounts for any suspicious activity. The incident highlights the increasing vulnerability of government databases to cyberattacks. Citizens are encouraged to adopt strong cybersecurity practices, including using unique and complex passwords and being vigilant against phishing attempts. This breach underscores the need for enhanced data protection measures for both individuals and businesses.