The ransomware group claims FBI only obtained decryption keys for the last month and a half
Grief group's move seems to reflect a growing trend in the cybercrime community
The hack involved exploitation of a security flaw in file-transfer software from Accellion
The number of ransomware attacks in the second quarter of 2020 was around three times higher than in Q1
Paying a ransom encourages criminals to target more people, FBI warns