The rise of double extortion ransomware

Hackers using 16 different types of ransomware posted stolen data on leak sites in 2020

Number

of times data was posted on leak sites

NetWalker

113

RagnarLocker

26

DoppelPaymer

25

Nefilim

24

DarkSide

24

Revil

23

Avaddon

23

Clop

22

Everest

17

SunCrypt

10

Mount Locker

10

Defray777

9

LockBit

8

Pay2Key

6

Babuk

4

Ranzy

3