Internal Revenue Service
Incident posture
Linked entities
- Victim
- Internal Revenue Service
- Threat actors
- 1 actor
- Sources
- 0 sources
Timeline
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.
Motives
Detailed motive labels are available to members.
TTPs
Detailed technique labels are 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.
Sources
Sources available to members: 0 sources.