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Incident

TIO Networks

Incident posture

Attack window
Dec 2017
Location
United States of America
Status
Historical
CIA posture
Available to members
Updated
2026-01-30 10:19

Linked entities

Victim
TIO Networks
Threat actors
0 actors
Sources
0 sources

Timeline

Occurred
Dec 2017
Discovered
Pending
Disclosed
Pending
Resolved
Pending

Summary

A cybersecurity incident involving a payment processor subsidiary led to the suspension of its operations following the discovery of security vulnerabilities and evidence of unauthorized network access. The compromise exposed personally identifiable information for approximately 1.6 million customers, including both direct users and clients of billers serviced by the subsidiary. The parent company confirmed its primary platform remained unaffected due to system segregation. Response measures included direct notifications to impacted individuals through partnered billers and arrangements for complimentary credit monitoring services via a consumer credit reporting agency. The investigation and remediation efforts were ongoing at the time of disclosure.

Motives

Detailed motive labels are available to members.

1 motive

TTPs

Detailed technique labels are available to members.

1 technique

Description

In July 2017, PayPal Holdings, Inc. acquired TIO Networks, a publicly traded bill payment processor. On November 10, 2017, PayPal suspended all operations of TIO Networks to protect customer data following the discovery of security vulnerabilities within TIO’s platform. This suspension initiated an internal investigation into the extent of the security flaws. By December 1, 2017, PayPal confirmed evidence of unauthorized access to TIO’s network, including systems storing personal information. The investigation revealed a potential compromise of personally identifiable information (PII) for approximately 1.6 million customers, encompassing both TIO’s direct customers and customers of the billers serviced by TIO. PayPal emphasized that its own platform remained unaffected due to complete separation between TIO’s infrastructure and PayPal’s networks. No specifics regarding the nature of the vulnerabilities, the exact timeline of unauthorized access, or the methods used by attackers were disclosed in the public update.

The compromise impacted individuals whose data was stored on the breached TIO systems, though the specific types of exposed PII were not detailed. In response, PayPal and TIO implemented measures to notify affected individuals through collaboration with the companies TIO serviced. PayPal also partnered with a consumer credit reporting agency to offer free credit monitoring memberships to those impacted, with direct communication planned to provide enrollment instructions. The suspension of TIO’s operations remained in effect as of December 1 to contain the incident and prevent further unauthorized access. PayPal’s public statement focused on remediation for affected customers while asserting the security of PayPal user data. Further details about the investigation’s progress or forensic findings were not provided, with additional information directed to TIO’s website.

Sources

Sources available to members: 0 sources.

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