: This is a "quality control" measure. By removing duplicates, the attacker ensures that every entry is unique, maximizing the efficiency of automated brute-force tools . The Cascading Risks of Leaked Credentials
The Anatomy of a Credential Leak: Analyzing "Download 280k [EMAIL PASS] Private Duplicate Removed txt" Download 280k [EMAIL PASS] Private Duplicate Removed txt
: This indicates the volume of data—280,000 unique credential pairs. While smaller than "mega-leaks" containing billions of records, a list of this size is highly targeted and easier for attackers to process quickly. : This is a "quality control" measure