Remote access malware is malicious software that gives an attacker interactive control over an infected system. Unlike simple data-stealing code, it is built to let an operator issue commands, browse files, launch processes, and maintain a foothold on the device as if using it locally.
This matters because interactive control turns one compromise into a platform for follow-on abuse. An attacker can deploy additional payloads, move through a network, or pair remote access with credential theft to reach email, cloud accounts, and internal tools. In supply-chain attacks, remote access malware may arrive through a dependency, installer, or script that runs during setup, before a user notices anything unusual.
Defenders should treat unexpected outbound connections, new persistence mechanisms, and suspicious install-time behavior as warning signs. On developer endpoints, restricting package scripts, monitoring endpoint activity, and watching for access to browser-stored secrets can help expose this malware early.