SolarWinds Hackers Used Constant Contact Email Service In Phishing Attack ‘Nobelium launched this week’s attacks by gaining access to the Constant Contact account of the United States Agency for International Development,’ says Tom Burt, Microsoft’s corporate vice president of customer security and trust. By Donna Goodison, Steven Burke May 28, 2021, 12:00 PM EDT The Russia-based hacker group known as Nobelium—the group behind last year’s massive SolarWinds hack—are at it again, this time using cloud email marketing service Constant Contact in a phishing campaign that led to the breach of 3,000 email accounts across 150 organizations. Microsoft revealed the latest breach from the state-sponsored hackers in a blog post titled “Another Nobelium Cyberattack” that warned part of “Nobelium’s playbook is to gain access to trusted technology providers and infect their customers.”