Following a report by Teslarati that an employee of the electronic car firm helped the Federal Bureau of Investigation(FBI) thwart the attack, Musk took to Twitter to confirm it was in fact a "serious" cyberattack.
He wrote above the article: "This was a serious attack."
The news outlet reported that it was Tesla which was the company which had not been named by the US Department of Justice earlier this week, as being involved in incident involving a Russian national.
Egor Igorevich Kriuchkov, 27, was arrested and charged with conspiracy to purposely cause damage to a protected computer by recruiting someone to feed malware into a system.
The attention was to obtain data and then threaten the company to pay a ransom.
The Justice Department, stated that Kriuchkov had offered $1 million for the malware to enter the system.
However, the unnamed employee soon phoned the FBI and they were able to stop the attack, a complaint filed by the FBI's Las Vegas Field Office revealed.