According to the organization, the dead include 239 civilians and 126 security personnel.
The Washington, D.C.-based Human Rights Activists group has claimed that at least 585 people have been killed and 1,326 injured in recent Israeli attacks across Iran.
The group said the dead included 239 civilians and 126 security personnel, with the identities of others still to be determined.
The Iranian government has not yet released a regular death toll update since the attacks. The last official figures released on Monday showed 224 people dead and 1,277 injured.
Human Rights Activists says it provides verified information by combining its sources in Iran with local reports.
The group also gained international attention for providing accurate and detailed figures during the protests that began after the death of Mahsa Amini in 2022.
