North Korean Hackers: Stealing Billions in Crypto Disguised as Employees

North Korea’s cyberattacks are costing the global economy billions. Recent reports from the Cyberwarcon cybersecurity conference confirmed what many suspected: North Korean hackers are infiltrating companies worldwide, disguised as everyday professionals.

The “IT Worker” Scam

Microsoft researcher James Elliot revealed that North Korean operatives are posing as IT workers, recruiters, and venture capitalists to gain access to companies. Hundreds of organizations have unknowingly hired these hackers.

These hackers aren’t just after a paycheck; they’re stealing money and sensitive information to fund the North Korean government and its weapons programs. A significant part of their operation involves stealing billions of dollars in cryptocurrency.

How the Hackers Operate

The hackers use sophisticated social engineering techniques. They contact targets, often scheduling virtual meetings that fail to load properly. This creates an opportunity for them to convince victims to download malware, disguised as a solution to the technical problem. In recruitment scenarios, they might send a “skills assessment test” containing malware.

Two groups, “Ruby Sleet” and “Sapphire Sleet,” are mentioned as particularly active. Ruby Sleet targets defense and aerospace companies, aiming to steal information for weapons development. Sapphire Sleet focuses on cryptocurrency theft, posing as recruiters and VCs.

The Triple Threat & Microsoft’s Warning

Microsoft issued a warning about the “triple threat” posed by these hackers: they get hired, earn a salary, and steal information simultaneously. While hundreds of companies have been infiltrated, only a few, like KnowBe4, have publicly acknowledged being victims. KnowBe4 acted quickly to block the hackers’ access upon discovering the infiltration.

In short, North Korea’s cyber espionage is a serious and ongoing problem, highlighting the need for increased cybersecurity awareness and vigilance.