: This is often a tag or "nick" for the specific threat actor, cracker, or automated bot that extracted and uploaded the data.
: Turn on Multi-Factor Authentication wherever possible to add an extra layer of security.
: Usually indicates the quantity or scale within a dump, such as ten sets of accounts or a specific multiplier used by data scrapers.
: If your own email appears in such a list, it means your credentials have been leaked and your accounts may be at risk. Recommended Actions If you suspect your data is part of a leak like this: