PwC confirms cyber incident involving employee-learning vendor
PwC says it acted to secure the affected environment and conduct a review after learning of the incident. An extortion group claims it stole 590 gigabytes of data.

PwC says it acted to secure the affected environment and conduct a review after learning of the incident. An extortion group claims it stole 590 gigabytes of data.

PwC confirmed on October 23, 2026, that a cybersecurity incident involved a third-party vendor hosting its employee learning records. A company spokesperson said the incident did not affect PwC’s network or operations.
The confirmation followed an October 22 website message in which cyber-extortion group Everest claimed responsibility, according to cybercrime research platform eCrime.ch.
PwC’s global spokesperson said the affected site holds no client data, sensitive personal data or financial information. The spokesperson said the company acted promptly to secure the environment and conduct a thorough review after learning of the incident.
Everest claims it stole 590 gigabytes of data, including exported regional human-resources and learning records, documentation on how systems connect, software components and PwC e-learning courses. The group also alleges that the material includes people’s organisational and employment histories, names, email addresses, telephone numbers and addresses.
PwC’s spokesperson declined to comment on the amount of data stolen or the accuracy of Everest’s claims. The alleged theft, its volume and contents, and the number of people affected remain unconfirmed.
Everest’s message displayed a countdown with five days remaining and threatened to release the data if no deal was reached.

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