Access Broker
Noun · Security & Infosec
Definitions
A criminal actor or service that specializes in obtaining and selling initial access to compromised networks, systems, or credentials to other attackers. Access brokers are a key part of the ransomware and intrusion supply chain.
In plain English: A cybercriminal who gains and sells access into hacked systems.
Example: "The ransomware group did not breach the company directly; it bought entry from an access broker."