New BlackFile extortion group linked to surge of vishing attacks

Trend analysis

New BlackFile extortion group linked to surge of vishing attacks appeared in 3 snapshots over the last 7 days, reached best rank #5, and was last seen in 2026-04-25 16:00.

Coverage comes from 1 unique sources (BleepingComputer) with 3 total mentions captured.

• Signal mix: new 1, up 0, down 2, same 0.
• Momentum cooled: down moves outnumbered up/new moves.

Machine-readable data: topic summary JSON

• 1 sources agree (BleepingComputer); neutral tier; latest signal 20h ago.
• 1 sources agree (BleepingComputer); neutral tier; latest signal 12h ago.
• 1 sources agree (BleepingComputer); neutral tier; latest signal 1h ago.