The Grubman Shire Meiselas & Sacks, gsmlaw.com that represents celebrities including Priyanka Chopra, Lady Gaga, Robert DeNiro, Madonna, Nicki Minaj and Bruce Springsteen among others, faced a major data breach, according to a report by Variety.
Cyber criminals have gained access to personal data of celebrities and have stolen 756GB of data from the New York-based law firm. The data includes details of contracts, nondisclosure agreements, phone numbers and email addresses, and personal contact details.
Cyber criminals are threatening to release celebrity emails and release confidential documents if the firm refuses to pay an undisclosed sum, the Telegraph reported.
Hackers have posted a picture showing computer files with names of dozens of celebrities on the dark web along with two letters signed by Madonna’s tour agent and Christina Aguilera. The files also named Nicki Minaj, Facebook and Idina Menzel.
The data breach is a result of a ransomware attack involving a REvil malware according to global cybersecurity firm Sophos.
Other celebrity clients of the firm include Jessica Simpson, Naomi Campbell, Sofia Vergara, Spike Lee, the Osbournes (Ozzy, Sharon and Kelly) along with major companies such as Discovery, HBO, EMI Music Group, Imax, MTV, NBA Entertainment, Playboy Enterprises, Samsung Electronics, Sony, Spotify, Tribeca Film Festival, Universal Music Group and Vice Media Group.