Cyberattackers have breached a high-profile entertainment and media law firm, infecting the practice with ransomware and stealing files that apparently pertain to its star clients, including Lady Gaga, Madonna, Elton John, Barbara Streisand, Bruce Springsteen, Mariah Carey and Mary J. Blige.

A cyber analyst who requested anonymity provided SC Media with content posted on the Sodinokibi/REvil ransomware group's website that claims the attackers stole 756 GB of data from the New York-based firm Grubman Shire Meiselas & Sacks.

One sample document that was posted looks to be a contract for a Madonna tour organized by events promoter and venue operator Live Nation. The contract includes one employee's Social Security Number.

Please register to continue.

Already registered? Log in.

Once you register, you'll receive:

  • News analysis

    The context and insight you need to stay abreast of the most important developments in cybersecurity. CISO and practitioner perspectives; strategy and tactics; solutions and innovation; policy and regulation.

  • Archives

    Unlimited access to nearly 20 years of SC Media industry analysis and news-you-can-use.

  • Daily Newswire

    SC Media’s essential morning briefing for cybersecurity professionals.

  • Learning Express

    One-click access to our extensive program of virtual events, with convenient calendar reminders and ability to earn CISSP credits.