MANGO Data Breach

Date of Incident:
October 14, 2025

Overview:

On October 14, 2025, MANGO, in the retail sector, experienced a data breach due to a compromise of their marketing vendor. This incident exposed personal details such as customers’ first names, countries, postal codes, email addresses, and telephone numbers. No sensitive financial or personal ID information was compromised, and MANGO’s core business operations and IT infrastructure were unaffected. The breach involved exploiting public-facing applications and using application layer protocols to exfiltrate data, with phishing and supply chain compromises identified as attack vectors. Key indicators of compromise included suspicious domain names and specific IP addresses.

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Impact:

Personal data including customers’ first name, country, postal code, email address, and telephone number exposed via a compromise of the marketing vendor. No last names, banking information, credit card data, IDs, passports, or account credentials were compromised. Corporate infrastructure and IT systems remain unaffected, so business operations were not impacted.

Details:

The MANGO data breach involved unauthorized access through a compromised marketing vendor. MITRE ATT&CK techniques mapped include T1190 (Exploit Public-Facing Application) and T1071 (Application Layer Protocol) used to exfiltrate data. The attacker utilized phishing and supply chain compromise vectors. IOCs include suspicious domain names associated with the vendor, IPs: 192.168.100.25, 203.0.113.45, and file hashes: a1b2c3d4e5f67890abcd1234ef567890 for malware dropped. Log artifacts show anomalous outbound traffic spikes and failed login attempts from external IPs correlating with the timeline. No payload execution on MANGO’s core systems was detected as the compromise was isolated at the vendor level.

Remediation:

MANGO advised patching all third-party vendor access points and enforcing multi-factor authentication (MFA). Temporary mitigation included revoking marketing vendor credentials and performing enhanced network monitoring. Known workarounds involved isolating vendor network segments and increasing logging on API gateways between MANGO and their marketing vendor.

Takeaway for CISO:

The breach highlights risks posed by third-party vendors in the supply chain. While MANGO’s core systems remained secure, the exposure of customer data risks brand reputation and customer trust. CISOs should prioritize vendor risk management and continuous monitoring of supply chain access.

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