Cyber Incident Victim: Internal Revenue Service
Date:
Jan 2023
Location:
United States of America
Summary
Anonymous Russia and Infinity Hackers BY claim to have conducted a hack and leak operation against US federal tax authorities. The leak allegedly contains 198 million lines of personal information.
| CIA Posture | Motives | Tactics, Techniques & Procedures |
|---|---|---|
| Available to members | 0 motives | 0 techniques |
| Threat Actor | Type | Location |
|---|---|---|
| 1 actor | Available to members | Available to members |
Description
IRS systems were compromised, including sensitive personal and financial information of taxpayers.
Anonymous Russia claimed responsibility for the hack in a message on their Telegram channel.
The group stated that they had gained access to IRS systems through a vulnerability in an unnamed third-party vendor's software.
IRS officials confirmed that some data was accessed, but did not provide further details.
No ransom demand or other demands were made by the attackers.