DeadLock ransomware abuses Polygon blockchain to rotate proxy servers quietly

Group-IB published its report on Jan. 15 and said the method could make disruption harder for defenders.
The malware reads on-chain data, so victims do not pay gas fees.
Researchers said Polygon is not vulnerable, but the tactic could spread.Ransomware groups usually rely on command-and-control servers to manage communications after breaking into a system.
But security researchers now say a low-profile strain is using blockchain infrastructure in a way that could be harder to block.
In a report