China-backed hackers are trying to steal information on research into treatments and vaccines against the coronavirus.
The US authorities are warning of this. Healthcare and science researchers are targeted. They must be careful not to fall victim to digital thefts.
The U.S. Criminal Investigation Service (FBI) and the Internet Security Agency say the attacks are a significant threat to the U.S. fight against Corona.
China continues to contradict any US charges of cyber espionage.
In recent months, there have been attempts by hackers to break into the World Health Organization (WHO).