The article says: > … files go in, and a handful of small helper applications automatically comb through each one in search of malicious clues. On the way out,

The article says: > … files go in, and a handful of small helper applications automatically comb through each one in search of malicious clues. On the way out, every file is given a score, which lets analysts sort old, familiar threats from the new and novel attacks that typically require a closer, more manual approach to analysis.