"data is updated" is correct and usable in written English.
You can use it when referring to new or changed data, such as in the sentence, "The economic data is updated every quarter."
The Matte computer data is updated so the line can be drawn even as shades change.
Mr. Coen typically makes two forecasts a year, revising his estimates as data is updated.
And each version may have multiple releases, as FICO's formula for crunching the data is updated.
Waiting passengers can watch the trains move along the tracks as the data is updated every 15 seconds.
This data is updated monthly by commodity with the most current estimates available.
This is to ensure that student registration data is updated and completed.
The data is updated daily, and includes common categories of violence, such as mass shootings, child deaths and accidental shootings.
Our school profile data is updated annually and provides more details and statistics regarding our faculty, programs, and alumni.
