Signage for the Internal Revenue Service (IRS) stands outside the IRS headquarters building in Washington, D.C., U.S., on Wednesday, Feb. 17, 2016.
Andrew Harrer—Bloomberg/Getty Images
By Everett Rosenfeld / NBC News
February 26, 2016

Cyberattacks on taxpayer accounts affected more people than previously reported, the Internal Revenue Service said Friday.

The IRS statement, originally reported by Dow Jones, revealed tax data for about 700,000 households might have been stolen: Specifically, a government review found potential access to about 390,000 more accounts than previously disclosed.

In August, the IRS said that the number of potential victims stood at more than 334,000 — more than twice the initial estimate of more than 100,000.

“If somebody has all this information … we may see [a] resurgence next year of fraudulent tax returns,” Paul Stephens, director of policy and advocacy for the Privacy Rights…

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