Ernst & Young (EY) has confirmed suffering a cyberattack in which it lost sensitive customer information, including tax data.
In a data breach notification letter sent to affected individuals, the firm said that on April 23, 2026, it spotted “anomalous activity” within a third-party platform its IT team uses. This is an IT service management platform that helps EY staff support the teams that perform tax-related work for clients. Therefore, the tickets submitted through this platform sometimes also contain documents with client tax information which may have been exposed in the incident.
EY then activated its incident response protocols, bringing in third-party cybersecurity experts, as well as notifying relevant authorities and affected clients.
Read more…
Source: Tech Radar
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Ernst & Young reveals data breach following hack on support system
July 20, 2026
Ernst & Young (EY) has confirmed suffering a cyberattack in which it lost sensitive customer information, including tax data. In a data breach notification letter sent to affected individuals, the firm said that on April 23, 2026, it spotted “anomalous activity” within a third-party platform its IT team uses. This is an IT service management platform ...
- Tech support scam caused massive data breach at Australian airline Qantas
July 16, 2026
Australia’s Privacy Commissioner has revealed a tech support scam was the cause of the massive 2025 data breach at Australian airline Qantas and found the carrier didn’t breach its privacy obligations despite leaking personally identifiable information for 5.7 million customers. The Commissioner reached that conclusion, and a decision not to open a formal privacy probe, in ...
- Supermarket chain Lidl warns customers after data leak
July 10, 2026
Unknown individuals managed to gain access to customer data held by the supermarket chain Lidl. The German company informed affected customers of this via email this week. Thus far, the supermarket chain has declined to say how many customers were affected. However, the discount retailer did state that it has notified the Dutch Data Protection Authority. Read ...
- Accenture confirms breach after hacker steals 35GB of source code and other data
July 9, 2026
Accenture has confirmed suffering a cyberattack, days after threat actors started selling an archive allegedly coming from the firm. “We are aware of this isolated matter, and we have remediated its source. There is no impact to Accenture operations and service delivery,” Accenture said in a statement. It follows a relatively unknown threat actor called 888 posting ...
- An unnamed US county paid $1M extortion demand to cybercriminals
July 9, 2026
A US county reportedly paid $1 million to Kairos, an extortion gang that claimed to have stolen more than 2 TB of data, but the county never received independently verifiable proof that the stolen files had been deleted – just the criminals’ promise. This means the county’s stolen files may turn up for sale on a ...
- 6.9 million driver’s license numbers stolen from AssuranceAmerica
July 9, 2026
Insurance provider AssuranceAmerica has confirmed a data breach affecting the personal information and driver’s license numbers of up to 6.9 million people. AssuranceAmerica provides car and rental insurance to customers across 14 US states through a network of over 9,500 independent agents. The breach notice letter also mentions information about customers’ auto insurance policies and accounts, their drivers and ...