A senior Google security official reported on Thursday that hackers backed by China have targeted personnel working on the U.S. presidential campaign of Democrat Joe Biden.
The same official said Iranian hackers had recently targeted email accounts of staff in the campaign of Republican President Donald Trump.
Shane Huntley, the head of Google’s Threat Analysis Group, made the announcement on Twitter, indicating that it is the latest indication of the digital spying routinely aimed at top politicians, and also added that there was “no sign of compromise” of either campaign.
Last year, Microsoft Corp (MSFT.O) reported that a group often nicknamed as Charming Kitten attempted to hack email accounts of an unnamed U.S. presidential campaign that sources identified as suggests to be Trump’s.
Charming Kitten, the responsible group according to Google for targeting the Trump campaign, has also recently attacked the pharmaceutical company Gilead Sciences Inc (GILD.O).
Earlier this year, Reuters tied the group to attempts to impersonate high-profile media figures and journalists.
John Hultquist, senior director of intelligence analysis with U.S. cybersecurity firm FireEye Inc (FEYE.O), defined the two hacking groups as “espionage actors” and underlined that most likely they were collecting intelligence than stealing material to leak online.
The FBI and Office of the Director of National Intelligence both declined to comment.