The phrase "altered data" is correct and usable in written English.
It can be used in contexts where information has been modified or changed from its original form, often in discussions about data integrity or analysis.
Example: "The researchers found that the altered data led to inaccurate conclusions in the study."
Alternatives: "modified data" or "changed data".
Serco, admonished by MPs after it was revealed to have altered data about out-of-hours doctor services in Cornwall, was paid £10m by NHS England for providing healthcare.
Unlike recent episodes in which Web sites were defaced or credit card records were taken from an online music retailer, this week's attacks have not involved stolen or altered data.
As a member of the Bureau of Economic Analysis's advisory panel and a professional user of government statistics for 35 years, I am not aware of any instance in which government statisticians have altered data under political pressure.
In our study the response effort associated with hand hygiene data collection in a hospital setting was manipulated using an altered data collection tool.
In July, Nissan admitted it had deliberately altered data on exhaust emissions and fuel economy, and in March, the head of Kobe Steel was forced to resign, months after the firm admitted submitting falsified strength and quality data for products used in cars, bullet trains and aircraft.
Among other problems, Potti altered data sets to make drug response predictors look more accurate.
Transient faults can occur for a number of reasons such as sending wrong and contradictory information, or receiving altered data during transmission.
They can steal information, erase or alter data, deface Web sites, or pose as company representatives.
The defendant, Sven Jaschan, 19, was found guilty of computer sabotage and illegally altering data, the court in the northwestern town of Verden said.
The hacker, Kevin Mitnick, 39, of Thousand Oaks, Calif., served five years in federal prison for stealing software and altering data at Motorola, Novell, Nokia, Sun Microsystems and the University of Southern California.
They may make subtle changes in a system, open obscure "doors" that allow other hackers secret access in the future, or slightly alter data in ways that are difficult to detect.
