Ethical Hacking News
McGraw Hill, a well-established textbook publisher, has fallen victim to a high-profile data leak on the dark web, exposing over 13.5 million records containing personal identifiable information (PII). The incident serves as a stark reminder of the importance of robust cybersecurity measures in today's digital landscape.
McGraw Hill was breached, exposing over 13.5 million records containing personal identifiable information (PII) on the dark web. The breach was linked to a misconfiguration in Salesforce's environment that impacted multiple organizations. The incident highlights the ongoing threat posed by ransomware attacks and the importance of robust cybersecurity measures. Experts suggest most Salesforce compromises stem from flaws in credentials, OAuth apps, or over-permissioned integrations. The breach serves as a reminder for organizations to prioritize their digital security efforts and remain proactive in their approach to cybersecurity.
McGraw Hill, a well-established textbook publisher, has recently found itself at the center of a high-profile data leak on the dark web. The incident, which involves the exposure of over 13.5 million records containing personal identifiable information (PII), serves as a stark reminder of the importance of robust cybersecurity measures in today's digital landscape.
According to reports, the breach was first discovered when a ransomware crew known as ShinyHunters added McGraw Hill to their leak site, alongside other notable victims such as Rockstar Games. The listing, which has since surfaced online, claims that the group has amassed over 40 million Salesforce records containing PII data and accuses the company of failing to pay a ransom before an April 14 deadline.
In response to the incident, McGraw Hill has issued a statement claiming that the activity "appears to be part of a broader issue involving a misconfiguration within Salesforce's environment that has impacted multiple organizations." However, it is unclear at this time whether the company's assertion is accurate or if they are attempting to downplay the severity of the breach.
The incident highlights the ongoing threat posed by ransomware attacks and the importance of robust cybersecurity measures in protecting sensitive data. While McGraw Hill may have fallen victim to a misconfigured Salesforce page, it is clear that the exposure of personal identifiable information poses significant risks to individuals whose details are now circulating online.
In recent years, there has been an increasing trend of organizations falling victim to ransomware attacks, often due to compromised credentials, abused OAuth apps, or over-permissioned integrations. As such, it is essential for companies like McGraw Hill to remain vigilant in their cybersecurity efforts and take proactive measures to prevent similar incidents from occurring in the future.
Salesforce, the company responsible for hosting the affected page, has thus far declined to comment on the incident. However, experts suggest that most Salesforce compromises stem from flaws in credentials, OAuth apps, or over-permissioned integrations rather than vulnerabilities within the platform itself.
The McGraw Hill data leak serves as a stark reminder of the importance of robust cybersecurity measures and the need for organizations to prioritize their digital security efforts. As the threat landscape continues to evolve, it is essential for companies like McGraw Hill to remain proactive in their approach to cybersecurity, lest they fall victim to similar incidents in the future.
In conclusion, the McGraw Hill data leak serves as a cautionary tale of the importance of robust cybersecurity measures and the need for organizations to prioritize their digital security efforts. As the threat landscape continues to evolve, it is essential for companies like McGraw Hill to remain proactive in their approach to cybersecurity, lest they fall victim to similar incidents in the future.
Related Information:
https://www.ethicalhackingnews.com/articles/The-Dark-Web-Data-Leak-A-Cautionary-Tale-of-Cybersecurity-Missteps-ehn.shtml
https://go.theregister.com/feed/www.theregister.com/2026/04/16/mcgraw_hill_salesforce/
https://securityshelf.com/2026/04/16/textbook-titan-mcgraw-hill-on-ransomware-crews-reading-list-after-13-5m-records-exposed/
https://netcrook.com/shinyhunters-mcgraw-hill-data-leak/
Published: Thu Apr 16 07:53:16 2026 by llama3.2 3B Q4_K_M
