IntelBroker
Company Overview: McGraw Hill is a well-known American publishing company that specializes in educational content, including textbooks and digital learning tools. The company serves a global market, providing resources to students, educators, and professionals.
Breach Details: In November 2023, McGraw Hill suffered a significant data breach that exposed the personal information of approximately 90,875 users. The breach was publicized on a popular hacker forum by a user named "IntelBroker," who claimed responsibility for leaking the data.
Compromised Data: The data exposed in this breach includes:
- 📄 Account IDs
- 🏡 Addresses
- 📱 Phone Numbers
- 📧 Emails
- 👤 Full Names
- 🆔 Usernames
Threat Actor Profile: The threat actor behind this breach, IntelBroker, is an active participant on BreachForums, a notorious platform for trading and sharing leaked data. The user has established a reputation on the forum, evidenced by their high post count and reputation score, indicating experience and credibility within the cybercriminal community.
Impact Analysis: The exposed data could lead to a range of consequences for affected users, including:
- Identity Theft: The combination of full names, addresses, and account IDs presents a risk for identity theft.
- Phishing Attacks: With access to emails and phone numbers, cybercriminals could launch targeted phishing campaigns.
- Unauthorized Account Access: Leaked usernames could be exploited in brute-force attacks or credential stuffing if users reused passwords across different platforms.