A major cybersecurity claim involving global online learning platform Udemy has triggered concern across the digital security community. The notorious cybercriminal group ShinyHunters has alleged that it has accessed around 14 lakh Udemy user records along with internal corporate data.
The claim surfaced on April 24, 2026, when the group posted a “Pay or Leak” threat on its dark web leak portal. Udemy has been given a deadline of April 27, 2026, to respond, failing which the allegedly stolen data may be publicly released.
The leak message reportedly stated, “Make the right decision, don’t be the next headline,” reflecting the group’s familiar extortion-driven approach.
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ShinyHunters’ pattern of cyber extortion
ShinyHunters is known as a financially motivated cybercrime group that emerged around 2019. The group follows a “Pay or Leak” model, where data is first stolen and then companies are blackmailed for ransom.
In 2020, the group gained global attention after claiming theft of over 20 crore records from 13 companies. In 2026, it continues to remain active, increasingly targeting SaaS platforms and the education sector.
This year alone, alleged targets have included Vercel, McGraw-Hill, and Harvard University, with claims of breaches involving thousands to millions of records.
Google Threat Intelligence has been tracking the group’s activities and has linked it to a cluster identified as UNC6240.
Attack methods shifting to social engineering
Reports suggest that ShinyHunters has moved away from traditional hacking techniques toward social engineering tactics such as vishing (voice phishing), MFA bypass, and credential harvesting.
In several incidents, the group is believed to have gained access through third-party vendors or compromised employee credentials. For example, in the Vercel-related incident, a third-party service was reportedly used as the entry point.
Education sector remains a prime target
Education technology platforms continue to be a high-value target for the group. Previously, India’s Unacademy platform was also allegedly impacted, with claims of nearly 10 lakh user accounts being compromised.
Experts believe that education platforms store large volumes of personal data and login credentials, making them attractive targets for cybercriminals.
Cybersecurity expert warning
Cybersecurity expert and former IPS officer Professor Triveni Singh commented on the growing threat, stating that such attacks are no longer limited to simple data theft but are part of a larger extortion ecosystem.
He said, “Groups like ShinyHunters are using multi-layered attack models involving social engineering, stolen credentials, and SaaS exploitation. This is not just a data breach, but an organized form of digital blackmail.”
Udemy yet to respond
According to reports, Udemy has not yet confirmed or denied the alleged breach. The case remains under verification, and cybersecurity researchers are closely monitoring the group’s leak portal for any further developments after the April 27 deadline.
Security advisory
Experts advise users of Udemy and similar platforms to update their passwords, enable multi-factor authentication, and remain alert for suspicious login activity.
As the deadline approaches, the cybersecurity community is closely watching whether the data will be leaked publicly or whether this will remain an extortion attempt without actual exposure.
