Tax authority reveals details of data theft from 678,000 taxpayer accounts

France's tax authority, the DGFiP, is preparing to contact 678,000 individuals and businesses whose accounts were compromised in a significant data breach. The director general, Amélie Verdier, apologized for the "serious" incident and outlined the steps being taken.

Starting early next week, the DGFiP will notify each affected taxpayer. The notifications will include an apology and recommendations, emphasizing the need for extreme caution. The exact nature of the "illegitimate access" to the tax authority's information system, which occurred several weeks ago, is becoming clearer.

Verdier confirmed the data theft during a press briefing on Friday evening. She reiterated the call for caution among those affected and provided further details on the scope of the event. The breach targeted both individuals and professionals, raising concerns about potential misuse of the stolen information.

The administration is working to inform those impacted and mitigate potential harm. The full extent of the data compromised and the specific vulnerabilities exploited are still under investigation, but the DGFiP is committed to transparency and supporting affected taxpayers through this challenging situation.

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The tax administration will contact each affected taxpayer, starting next week, to inform them, apologize, and give them 'recommendations, especially regarding the extreme caution to be exercised'.